Installation and Product Safety Manual MM-014763-001 Rev.
MM-014763-001, Rev. G MANUAL REVISION HISTORY REV. DATE REASON FOR CHANGE F Jun/10 Revised introduction, antenna part numbers and antenna installation procedures, specifications, catalog and part number tables, and cable installation procedures. Added HHC-731 hand-held controller. G Nov/10 Revised antenna part numbers and the respective MPE distance data. Added UHF radios. Added new FCC Type Acceptance number for 700/800 MHz radios.
MM-014763-001, Rev. G TABLE OF CONTENTS Section Page 1 REGULATORY AND SAFETY INFORMATION .................................................................................... 7 1.1 SAFETY SYMBOL CONVENTIONS ................................................................................................. 7 1.2 RF ENERGY EXPOSURE AWARENESS AND CONTROL INFORMATION FOR FCC OCCUPATIONAL USE REQUIREMENTS........................................................................................ 7 1.2.
MM-014763-001, Rev. G TABLE OF CONTENTS Section 7.3 Page 7.2.1 Overview of On/Off Power Wiring Configurations.............................................................. 58 7.2.2 DC Power Cable and Main Fuse Holder Installation ............................................................ 59 TERMINATE CAN PORTS ............................................................................................................... 63 8 REMOTE-MOUNT RADIO INSTALLATION .............................................
MM-014763-001, Rev. G TABLE OF CONTENTS (Continued) Section Page 14.4 TRANSMITTING INTO THE MOBILE ANTENNA...................................................................... 109 14.5 TEST PERFORMANCE DATA FORM ........................................................................................... 112 15 COMPLETE THE INSTALLATION ..................................................................................................... 113 16 WARRANTY REGISTRATION .........................................
MM-014763-001, Rev. G LIST OF FIGURES Page Figure 11-7: Speaker-Only Option Cable CA-012349-007 ............................................................................... 102 Figure 14-1: Wattmeter Connections for Antenna System Tests ...................................................................... 108 LIST OF TABLES Page Table 1-1: Recommended Minimum Safe Lateral Distance from Transmitting Antenna Connected to a VHF M7300 Mobile Radio (“M7300 VHF 50-Watt”) .....................................
MM-014763-001, Rev. G 1 REGULATORY AND SAFETY INFORMATION 1.1 SAFETY SYMBOL CONVENTIONS The following conventions are used in this manual to alert the user to general safety precautions that must be observed during all phases of operation, installation, service, and repair of this product. Failure to comply with these precautions or with specific warnings elsewhere violates safety standards of design, manufacture, and intended use of the product.
MM-014763-001, Rev. G both workers and the general public. These recommended RF exposure levels include substantial margins of protection. All two-way radios marketed in North America are designed, manufactured, and tested to ensure they meet government-established RF exposure levels. In addition, manufacturers also recommend specific operating instructions to users of two-way radios.
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MM-014763-001, Rev. G Table 1-4: Recommended Minimum Safe Lateral Distance from a Transmitting Antenna Connected to a 700/800 MHz M7300 Mobile Radio [“M7300 (700/800 MHz)”] RECOMMENDED MINIMUM LATERAL HUMAN BODY DISTANCE FROM TRANSMITTING ANTENNA ANTENNA PART NUMBER ANTENNA DESCRIPTION AN-125001-006 (mount) with AN-225001-001 (element) 700/800 MHz GPS Combo Rooftop-Mount; 3 dBd / 5.
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MM-014763-001, Rev. G 1.3.2 Approved Accessories The radio has been tested and meets FCC RF guidelines when used with accessories supplied or designated for use with it. Use of other accessories may not ensure compliance with the FCC’s RF exposure guidelines, and may violate FCC regulations. For a list of approved accessories refer to Section 4 in this manual (begins on page 27) and/or the Products and Services Catalog. 1.3.
MM-014763-001, Rev. G • Electric Blasting Caps — To prevent accidental detonation of electric blasting caps, DO NOT use two-way radios within 1000 feet (305 meters) of blasting operations. Always obey the “Turn Off Two-Way Radios” (or equivalent) signs posted where electric blasting caps are being used. (OSHA Standard: 1926.900).
MM-014763-001, Rev. G 1.7 OPERATING RULES AND REGULATIONS Two-way radio systems must be operated in accordance with the rules and regulations of the local, regional, or national government. In the United States, the M7300 mobile radio must be operated in accordance with the rules and regulations of the Federal Communications Commission (FCC). Operators of two-way radio equipment must be thoroughly familiar with the rules that apply to the particular type of radio operation.
MM-014763-001, Rev. G 2 SPECIFICATIONS1 2.1 GENERAL Dimensions, Front-Mount Mobile Radio: (Height x Width x Depth) 2.4 x 6.9 x 11.3 inches (6.1 x 17.5 x 28.7 centimeters) (Includes knobs but not space required for mounting bracket and cables at rear of radio) Dimensions, Remote-Mount Mobile Radio: (Height x Width x Depth) 2.0 x 6.9 x 9.2 inches (5.1 x 17.5 x 23.
MM-014763-001, Rev. G Quiescent/Off Currents: Mobile Radio: CH-721 Control Head: HHC-731 Hand-Held Controller: 2.
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MM-014763-001, Rev. G Data Rate OTP Mode: EDACS and ProVoice Modes: P25 Mode: 2.3 19.2 kbps (9600 symbols per second) 9.
MM-014763-001, Rev. G 3 INTRODUCTION This manual contains installation procedures for the M7300 mobile radio, the CH-721 control heads, and the HHC-731 hand-held controller. Procedures cover the mounting and cabling of the equipment, as well as the basic in-vehicle test procedures. In addition, product safety-related information is included. 3.1 GENERAL DESCRIPTION The M7300 mobile radio is a high-performance digital mobile radio.
MM-014763-001, Rev. G Control heads used with the M7300 radio include the CH-721 Scan and the CH-721 System model control heads. See Figure 8-5 (page 74) through Figure 8-7 (page 75). Both heads feature a large 3-line graphical vacuum-fluorescent display, front panel controls and buttons/keys for user control of the mobile radio, an internal high-power audio amplifier to drive an externally-connected speaker, and a front panel microphone connector.
MM-014763-001, Rev. G information to dispatchers via the radio network. The GPS receiver determines the unit’s location and the radio transmits it to the network, either when polled by the network or automatically on a predetermined periodic basis. The GPS antenna can be integrated into the mobile transmit/receive antenna (i.e., a “combination” antenna). Alternately, the GPS antenna can be located/mounted completely separate from the mobile transmit/receive antenna.
MM-014763-001, Rev. G CAUTION 3.2 Harris recommends the buyer use only an authorized representative to install and service this product. The warranties provided to the buyer under the terms of sale shall be null and void if this product is installed or serviced improperly, and Harris shall have no further obligation to the buyer for any damage caused to the product or to any person or personal property.
MM-014763-001, Rev. G 3.4 TECHNICAL ASSISTANCE If any of the radio equipment requires repair, or if there are questions or concerns about the installation of this equipment, contact the Harris Technical Assistance Center (TAC) using the following telephone numbers or e-mail address: 26 • United States and Canada: 1-800-528-7711 (toll free) • International: 1-434-385-2400 • Fax: 1-434-455-6712 • E-mail: PSPC_tac@harris.
MM-014763-001, Rev. G 4 UNPACKING AND CHECKING THE EQUIPMENT 4.1 MATERIALS A typical set of materials for an M7300 mobile radio installation includes: • M7300 Mobile Radio — See Table 4-1 below for catalog and part numbers. • CH-721 Scan or System Control Head — See Table 4-2 below for catalog and part numbers. • • Installation Kit MAMW-NZN6W for Front-Mount M7300 — Contents listed in Table 4-4. or: Installation Kit MAMW-NZN7R for Remote-Mount M7300 and CH-721 — Contents listed in Table 4-5.
MM-014763-001, Rev. G Table 4-3: AES and DES Encryption Catalog Numbers for M7300 Mobile Radios 4.
MM-014763-001, Rev. G Table 4-4: Installation Kit MAMW-NZN6W for Front-Mount M7300 Mobile Radio ITEM QTY. PART NUMBER 1 1 KT101533V1 Kit, Front-Mount Mounting Bracket. Includes M5300/M7100/M7300 Mounting Bracket FM101319V1 (marked KTB0310), M5 stainlesssteel hardware to attach radio to bracket, self-tapping hardware to attach bracket to mounting surface, ½-inch rubber grommet, and 7-inch cable ties. See Section 7.1 on page 54. CA-012365001 Cable, M5300/M7300 DC Power.
MM-014763-001, Rev. G Table 4-5: Installation Kit MAMW-NZN7R for Remote-Mount M7300 Mobile Radio with CH-721 Control Head ITEM QTY. PART NUMBER 1 1 KT23117 Kit, Remote-Mount Mobile Radio Mounting Bracket. Includes M5300/M7100/M7300 Mounting Bracket FM103111V1 and M5 stainless-steel hardware to attach radio to bracket. See Section 8.1 on page 64. KT-008608 Kit, CH-721 Mounting Bracket. Includes (1) U-Shaped Mounting Bracket and #8 stainless-steel hardware to attach control head to bracket.
MM-014763-001, Rev. G Table 4-5: Installation Kit MAMW-NZN7R for Remote-Mount M7300 Mobile Radio with CH-721 Control Head ITEM QTY. PART NUMBER 6 1 CA-009562-030 Cable, CAN; 30 feet, Right-Angleto-Straight Connectors. See Section 8.3.3 on page 77 LS102824V10 Speaker, External Mobile; 20-Watt (with 4.6-foot cable). See Section 9.2 on page 90. MAMROS0034NN006 Cable, Speaker; 6-Inch, Straight Connector. Section 9.2 on page 90.
MM-014763-001, Rev. G Table 4-6: HHC-731 Hand-Held Controller and Installation Components — Installation Kit MAMW-NCP9P ITEM QTY. PART NUMBER 1 1 CU-017821-001 Controller, Hand-Held, HHC-731 CA-018399-001 Cable, HHC-731 Interface KT-018752-001 Kit, HHC-731 Bracket DESCRIPTION ILLUSTRATION 2 1 3 1 4 1 1 32 Cable KT23117 Kit, Remote-Mount Mobile Radio Mounting Bracket.
MM-014763-001, Rev. G Table 4-6: HHC-731 Hand-Held Controller and Installation Components — Installation Kit MAMW-NCP9P (Continued) ITEM QTY. PART NUMBER 6 1 CA-012616-001 Cable, CH-721/HHC-731 DC Power. Includes 12-AWG, 10-foot DC Power Cable with straight connector, (2) waterproof HFB fuse holders, (1) 3-amp AGC fuse, and (1) 5-amp AGC fuse. See Section 8.4.3 on page 86. CD-014027-001 Terminator, CAN; 3-Pin, Straight Body. See Section 8.4.2 on page 85.
MM-014763-001, Rev. G Table 4-7: Additional Options and Accessories for M7300 Mobile Radios PART NUMBER AN102800V1 Antenna, 136 – 941 MHz Standard Rooftop-Mount; ¼-Wave*, 0 dBd Gain, with Mounting Base, 17-foot (5.2-meter) RG-58 A/U (or equivalent) Low-Loss RF Cable and Male TNC RF Connector; Field-Tuned*. AN102800V2 Antenna, 136 – 941 MHz Thick Rooftop-Mount; ¼-Wave*, 0 dBd Gain, with Mounting Base, 17-foot (5.2-meter) RG-58 A/U (or equivalent) Low-Loss RF Cable and Male TNC RF Connector; Field-Tuned*.
MM-014763-001, Rev. G Table 4-7: Additional Options and Accessories for M7300 Mobile Radios (Continued) PART NUMBER DESCRIPTION AN-025147-005 Antenna, 136 to 174 MHz, Magnetic-Mount; 0 dBd Gain, 15-foot (4.6-meter) RG-58 A/U (or equivalent) Low-Loss RF Cable, Male TNC RF Connector; Factory-Tuned.
MM-014763-001, Rev. G Table 4-7: Additional Options and Accessories for M7300 Mobile Radios PART NUMBER CN-014756 KT-012350-001 DESCRIPTION Connector, RF; TNC Male Crimp-Type for RG58U, RG58A/U and RGU400 Coaxial Cable. Kit, GPS Receiver for M5300/M7300. (Cat. No. MAMW-NMK5F) KT-015037 * 36 Kit, Front-Mount to Remote-Mount Conversion for M5300/M7300 Radio. Includes CH-721 Conversion Kit, CH-721 Mounting Bracket Kit, CH-721 DC Power Cable, CAN Cable, CAN Terminator, Speaker Cable, Etc.
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MM-014763-001, Rev. G 5 PLANNING THE INSTALLATION 5.1 GENERAL INFORMATION Figure 5-1 on page 39 illustrates a typical front-mount radio installation, and Figure 5-2 on page 39 illustrates a typical remote-mount radio installation. Before starting, plan the installation carefully so it will meet the following requirements: • The installation is safe for the operator and passengers within the vehicle. • The equipment is installed away from the airbag deployment areas.
MM-014763-001, Rev. G MOBILE ANTENNA GPS ANTENNA M7300 FRONT-MOUNT MOBILE RADIO VEHICLE BATTERY IN-LINE WATERPROOF FUSE HOLDER & AGC FUSE (15-AMP FOR RADIO) GROMMET (MOUNTED IN FIREWALL) VEHICLE FUSE BOX SPEAKER MOBILE ANTENNA CABLE GPS ANTENNA CABLE Figure 5-1: Typical Front-Mount Mobile Radio Installation in a Standard Passenger Vehicle MOBILE ANTENNA GPS ANTENNA (Optional) CONTROL HEAD NOTE: SEE TEXT FOR WIRING OF DC POWER CABLE.
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MM-014763-001, Rev. G 5.3 LOCATING COMPONENTS Plan the mounting locations of all components (radio, control head/hand-held controller, antenna, and cables) and determine the routes for all wiring and cables. Particularly consider the connection of the radio for planning purposes. • Determine the customer’s preferences, if any, for location of components.
MM-014763-001, Rev. G 6 ANTENNA INSTALLATION 6.1 ANTENNA MOUNTING LOCATIONS WARNING At this time, review all information presented in the REGULATORY AND SAFETY INFORMATION section of this manual (see page 7). A transmitting antenna must be installed in accordance with the guidelines presented in both the REGULATORY AND SAFETY INFORMATION section, and in this section.
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MM-014763-001, Rev. G 6.2.1 Installing NMO Antenna Mounts AN-125001-001, -002, -003 and -004 These NMO style antenna mounts can each be used with several different antenna elements. Only limited access under the mounting location is typically required. The installation procedure is presented in Section 6.2.1.3. 6.2.1.
MM-014763-001, Rev. G 6. With the hole saw and a drill, drill a hole at the marked hole center point. Position the drill square to (i.e., 90 degrees from) the vehicle mounting surface so paint immediately outside of the perimeter of the hole is evenly removed. CAUTION Excessive use of the hole saw and/or failure to position the drill “square” with (i.e.
MM-014763-001, Rev. G Lock Nut (D) Rubber O-Ring (C) Vehicle Mounting Surface (top side) Coax Cable (Partial) Threaded Shank (B) Bushing Assembly (A) Figure 6-5: Installing a Standard ¾-Inch NMO Antenna Mount (e.g., AN-125001-001 or AN-125001-002) Lock Nut (D) Alignment Ring (Used only with ¾-inch mounting hole) Vehicle Mounting Surface (top side) Rubber O-Ring (C) Threaded Shank (B) Bushing Assembly (A) Coax Cable (Partial) (Extensions shown to illustrate a ⅜-Inch hole vs. a ¾-inch hole.
MM-014763-001, Rev. G CAUTION 6.2.3 To remove a magnetic antenna mount, hold it at the bottom of its base and tilt it at an angle to release the magnetic attraction force. Do not pull on the mount’s coax cable. Do not drag the mount across the mounting surface. Installing All Other Antenna Mounts For any other type of antenna mount not covered in the previous sections, such as GPS combination antennas, install the mount in accordance with the installation instructions included with the mount. 6.2.
MM-014763-001, Rev. G damage, dirt, and/or metal shavings which may be generated during the mechanical and electrical installation of the radio. Temporarily tying the connector and cable-end within a small plastic bag is recommended. 1. 2. 3. 4. 5. 6. 7. 8. Before cutting the cable to a shorter length, refer to the previous WARNING. Some antenna cables should never to cut, while others can be cut to as short as 6 feet.
MM-014763-001, Rev. G NOTE Connection to a GPS antenna is only required if the (optional) GPS receiver is installed in the radio and if its functions will be utilized/required. For OpenSky radio system applications, the GPS receiver can provide GPS data to either a locally-connected computer/mobile data terminal, or over-the-air to the radio network.
MM-014763-001, Rev. G 7 FRONT-MOUNT RADIO INSTALLATION NOTE 7.1 This section includes detailed instructions for mechanically installing and wiring a front-mount M7300 mobile radio. For remote-mount M7300 mobile radio installation procedures, refer to Section 8 which begins on page 64. MOUNTING THE FRONT-MOUNT RADIO The Mounting Bracket Kit for the front-mount M7300 mobile radio includes a heavy-gauge steel U-shaped mounting bracket.
MM-014763-001, Rev. G REAR VIEW 2.0 inches (51 mm) 6.9 inches (175 mm) TOP VIEW (Partial View of DC Power Cable) 10.5 inches (267 mm) 0.8 inches (20 mm) FRONT VIEW 2.
MM-014763-001, Rev. G 7.1.1 Mounting Bracket Installation The front-mount M7300 radio’s mounting bracket is included with the Front-Mount Mounting Bracket Kit KT101533V1. Kit contents are shown in Figure 7-2. This kit is Item 1 listed in Table 4-4 (page 29).
MM-014763-001, Rev. G TOP VIEW (Dimensions in Inches) SIDE VIEW Bracket-To-Vehicle Screw Holes (11 places) 3.56 3.20 5.16 B (FM101319V1) 2.58 1.95 1.59 0.83 1.81 3.59 5.36 FRONT/REAR VIEW (Dimensions in Inches) 6.34 Bracket-To-Radio Screw Holes (10 places, 5 each side) 7.17 2.68 (Made From KBT0310B) Figure 7-3: Mounting Bracket FM101319V1 (Marked KTB0310) Dimensions [for Front-Mount M7300 Mobile Radio (Radio Not Shown)] 3.
MM-014763-001, Rev. G CAUTION Before drilling holes and/or installing mounting screws, verify these operations will not damage or interfere with any existing vehicle component (the fuel tank, a fuel line, the transmission housing, existing vehicle wiring, etc.). Always check to see how far the mounting screws will extend below the mounting surface prior to installation. Always deburr drilled holes before installing screws. 7. Temporarily remove the bracket and deburr all of the newly drilled holes. 8.
MM-014763-001, Rev. G near zero volts) when the ignition switch/key turns off. The required fuse rating is 3 amperes. When using this configuration, the on/off/volume control must be left in the on position for automatic power-up/down to function properly. NOTE In a front-mount M7300 radio installation, to fuse the white wire of the radio’s DC Power Cable, a yellow waterproof (HFB type) fuse holder and a 3-amp AGC fuse are included with the cable.
MM-014763-001, Rev. G 3. Strip the area of any paint or dirt to expose a bare metal surface, approximately ¾-inch square. 4. Drill a hole in the approximate center of the bare metal surface, and deburr it. A⅜ -inch noninsulated ring terminal is supplied with the cable to make this ground connection. Therefore, hole diameter should be appropriate for the utilized grounding screw/bolt size and type used to connect the ring terminal to the bare metal surface. This hardware is not supplied. 5.
MM-014763-001, Rev. G 4. Cut the red wire to the required length for connection to the battery’s positive (+) battery terminal (or the main DC bus bar or stud). 5. Prepare to splice the fuse holder into the red wire by cutting it again, at approximately three (3) to six (6) inches from the end. 6. Strip all three (3) wire ends back approximately⅜ -inch, place a fuse holder shell on each wire, and securely crimp a fuse holder terminal to each wire end.
MM-014763-001, Rev. G 4. Cut excess length from the white wire and splice the fuse holder into it, near the location of the connection point. 5. Using an appropriate electrical terminal, connect the white wire to the switched power connection point. An open-barrel spade terminal is included with the cable for this purpose, but another type of terminal (not supplied) may be used as required. 6. Obtain the 3-amp AGC-type fuse included with the cable, and install it into the fuse holder. 7.
MM-014763-001, Rev. G presented in Section 7.2.2.3.1, except connect the white wire to unswitched battery power instead of switched (“Accessory”) power. Be sure to fuse this connection with the provided in-line fuse holder and 3-amp AGC fuse. 7.3 TERMINATE CAN PORTS Add a CAN Terminator to each CAN port connector on the rear of the radio. Two (2) CAN Terminators are included in the installation kit for this purpose (item 3 in Table 4-4).
MM-014763-001, Rev. G 8 REMOTE-MOUNT RADIO INSTALLATION NOTE 8.1 This section includes detailed instructions for mechanically installing and wiring a remote-mount M7300 mobile radio. For front-mount M7300 mobile radio installation procedures, refer to Section 7 which begins on page 54. MOUNTING THE REMOTE-MOUNT RADIO This section provides details on mounting a remote-mount M7300 mobile radio in the vehicle. CH-721 control head installation procedures are included in Section 8.
MM-014763-001, Rev. G REAR VIEW 2.0 inches (51 mm) 6.9 inches (175 mm) TOP VIEW (Partial View of DC Power Cable) 9.2 inches (234 mm) 6.9 inches (175 mm) FRONT VIEW 2.
MM-014763-001, Rev. G 8.1.1 Mounting Bracket Installation The remote-mount radio’s mounting bracket is included with the Remote-Mount Mounting Bracket Kit KT23117. Kit contents are shown in Figure 8-2. This kit is Item 1 listed in Table 4-5 (page 30).
MM-014763-001, Rev. G 3. If necessary, apply an approved paint or rust-inhibitor at the holes in the mounting surface. 4. Set the bracket back into place, and verify front-to-rear orientation. 5. Install and tighten the mounting screws/hardware. 6. Verify the bracket is firmly secured to the mounting surface. A secure mount prevents unreasonable vibration, which could damage the radio and/or cause its cable connections to loosen.
MM-014763-001, Rev. G 8.1.2 Inserting the Radio into the Mounting Bracket The radio should now be inserted into the bracket according to this procedure: 1. Lay the radio down into the mounting bracket with the front of the radio at the front of the mounting bracket. 2. Attach the radio into the mounting bracket using the six (6) M5 x 10 mm stainless-steel hex-head screws, and flatwashers and lockwashers included with the Mounting Bracket Kit (item 1 in Table 4-5).
MM-014763-001, Rev. G DTMF MICROPHONE MC-103334-040 OR MC-103334-041 (INCLUDED WITH MAMW-NMC9C) CH-721 SCAN MODEL CONTROL HEAD CU23218-0002 (MAMW-NCP9E) CH-721 SYSTEM MODEL CONTROL HEAD CU23218-0004 (MAMW-NCP9F) VEHICLE BATTERY NEG VEHICLE DC POWER DISTRIBUTION BLOCK (E.G., “POWER ACCESS POINT”) POS - + NOTE: BATTERY GROUND (-) CONNECTION NOT INDICATED. RING TERMINALS VEHICLE FUSE BOX, ETC.
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MM-014763-001, Rev. G • Radio turns on with control head’s on/off/volume control (“hot wired”) — This configuration allows radio on/off power control only via the control head’s on/off/volume control. It may be desired if, for example, the radio must remain on even when the ignition key must be removed from the vehicle and a separate on/off switch is not desired and/or not acceptable. The white wire of the control head’s DC Power Cable must be connected to unswitched and fused vehicle power.
MM-014763-001, Rev. G diameter should be appropriate for the utilized grounding screw/bolt size and type used to connect the ring terminal to the bare metal surface. This hardware is not supplied. 5. Cut the black wire to the required length plus some additional length for a service loop, then strip insulation back approximately ¼-inch. 6. Crimp a ⅜-inch non-insulated ring terminal (supplied with the cable) to the end of the black wire. 7.
MM-014763-001, Rev. G 5. Prepare to splice the waterproof fuse holder into the red wire by cutting it again, at approximately three (3) to six (6) inches from the end. 6. Strip all three (3) wire ends back approximately⅜ -inch each, place a fuse holder shell on each wire, and securely crimp a fuse holder terminal to each wire end. Before crimping, verify fuse holder shells are oriented in the correct directions (i.e., with each large end towards the wire end). 7.
MM-014763-001, Rev. G 3. Using an appropriate DB-25 connector, hook-up wire, ring terminal and hardware (not supplied), connect pin 14 of this cable’s DB-25 connector (P4 pin 14) to vehicle ground. This grounds the radio’s CTLON input at pin 15 of the DB-44 connector. See Section 11.1 for additional information on the Option Cable. Keep the length of the ground wire as short as reasonably possible. 4. Tie and stow the cable and wire as necessary to protect them from possible cable chafing.
MM-014763-001, Rev. G 12-Button Keypad Option Button Menu Button Clear Button (Other controls are same as shown for Scan model.) Figure 8-6: CH-721 System Model Control Head Front Panel The CH-721 control heads feature a large easy-to-read 3-line graphical vacuum fluorescent display, an on/off/volume control knob, menu controls and buttons, trunking mode buttons, an emergency/home button, a scan on/off button, and three (3) preset buttons.
MM-014763-001, Rev. G In a mobile installation, more than one control head can be connected to one mobile radio for multi-head installations. A multi-head installation may be required in a vehicle such as a fire truck or any large vehicle where more than one operator may require use of the radio. Multi-head installations also provide other benefits such as intercom functionality between different operator positions. 8.3.2 Control Head Mechanical Installation 8.3.2.
MM-014763-001, Rev. G 8.3.2.2 Using the Standard U-Shaped Mounting Bracket If the standard U-shaped mounting bracket will be used to mount the control head, the following mounting procedure is recommended. As listed in Table 4-5 on page 30, this bracket is item 2 in the Installation Kit. 1. Using the mounting bracket as a template, mark and drill mounting holes into the mounting surface as required.
MM-014763-001, Rev. G cable and CAN terminator connections for a single control head installation. Figure 8-11 illustrates this for a multi-head control head installation where, for example, one control head is located at the main operator location and another is located near the rear of the vehicle. Because CAN devices do not have internal terminators, the CAN link must be terminated at both ends via external CAN terminators, as depicted in the following figures.
MM-014763-001, Rev. G are located near the center of the radio’s rear panel. Figure 8-7 on page 75 shows the two CAN port connectors on the control head’s rear panel. 8.3.3.2 Make CAN Link Terminations and Cable Connection Follow this procedure for an installation which has only one control head. For a multi-control head installation, refer to Figure 8-11 as necessary. 1.
MM-014763-001, Rev. G 5. At the back of the control head, tie and stow the cable as necessary. 6. For the positive 12-volt DC main power source connection, route the cable’s red wire to the location of an unswitched 12-volt DC power source, typically near the vehicle’s battery. Remove interior panels, door kick panels, etc. Protect the wire from possible chafing as necessary. This is the control head’s main DC power source. 7.
MM-014763-001, Rev. G 2. Route the white wire of the control head’s DC Power Cable from the back of the head to the area near this connection point. Protect the wire from possible chafing as necessary. 3. Obtain one of the yellow waterproof (HFB-type) fuse holders included with the control head’s DC Power Cable. 4. Cut excess length from the white wire and splice the fuse holder into it, near the location of the connection point. 5.
MM-014763-001, Rev. G 8.3.4.2.3 Control Head and Radio Are “Hot Wired” In the “hot-wired” configuration, the control head and radio are turned on and off only by the control head’s on/off/volume control located on the front panel of the control head. In this configuration, the control head’s white wire must be connected to unswitched and fused 12-volt vehicle power. Follow the procedure presented in Section 8.3.4.2.
MM-014763-001, Rev. G 7. Pull enough of the switched ignition source wire out of the vehicle’s wiring harness so one of the T-tap terminals may be attached to it. 8. Two T-tap terminals are included in the kit. Based on the gauge of wire, select the proper terminal size: Red is for use with a 22 to 18-AWG wire, and blue is for use with an 18 to 14-AWG wire. 9.
MM-014763-001, Rev. G Built-In Microphone Ramp Down Button (Decreases backlight intensity if controller is not connected to the radio.) Transmit and Busy Indicators Emergency/Home Button Ramp Up Button (Increases backlight intensity if controller is not connected to the radio.
MM-014763-001, Rev. G Bracket Attached Perpendicular to Cable: Bracket Attached Parallel to Cable: Figure 8-16: HHC-731 Interface Cable Mounting Bracket-to-Cable Positioning 3. Select a firm mounting surface near the controller, for the bracket. Review and follow the safety and operator-convenience related information presented in Section 5.1 on page 38.
MM-014763-001, Rev. G 5. Loop, tie and stow the excess cable as necessary, leaving a service loop at the back of the radio and at the location of the interface cable. 3-Pin CAN Port Connectors on Rear of Radio (2 places) M7300 Mobile Radio CAN Terminator CD-014027-001 (for radio end) NOTE: No CAN Terminator is required at the HHC-731. It is internally terminated.
MM-014763-001, Rev. G Do not ground the black wire by attaching it via the same hardware that secures the cable’s mounting bracket. CAUTION CAUTION Before drilling holes and/or installing mounting screws, verify these operations will not damage or interfere with any existing vehicle component (the fuel tank, a fuel line, the transmission housing, existing vehicle wiring, etc.). Always check to see how far the mounting screws will extend below the mounting surface prior to installation.
MM-014763-001, Rev. G NOTE The white ignition sense wire must be connected to a fused power source that switches from approximately zero volts to approximately +13.6 volts when the vehicle’s ignition switch/key is turned from the OFF position to the ACCESSORY and RUN positions. Use of a switched power source that is subject to voltage changes as a result of other actions, such as opening a vehicle door, may result in undesirable radio power cycles. 1.
MM-014763-001, Rev. G 9. If not already, mount the switch to the vehicle’s dash panel, or other customer-selected location. 10. Obtain the 3-amp AGC-type fuse included with the cable, and install it into the fuse holder. 11. Tie and stow these wires as necessary so they remain out of the way of casual contact and wire chafe is avoided. 12. Label this power switch accordingly. For example: “RADIO ON/OFF.” 8.4.3.2.
MM-014763-001, Rev. G 9 SPEAKER INSTALLATION 9.1 FRONT-MOUNT RADIO INSTALLATION In a front-mount radio installation, total speaker cable length (of both cables) is approximately 10 feet (308 centimeters). Therefore, to include service loops in these cables, the speaker must be mounted within approximately 9.5 feet (290 centimeters) of the M7300 mobile radio. 1. Select a location for the speaker that will allow for proper listening range with a moderate volume setting. 2.
MM-014763-001, Rev. G 9.2.2 With HHC-731 Hand-Held Controller In a remote-mount mobile radio installation with the HHC-731 hand-held controller, an audio amplifier in the mobile radio drives the external speaker. The HHC-731 does not have a high-power speaker audio amplifier. The following speaker installation procedure is recommended for this case: 1. Obtain the speaker, item 9 in Table 4-6. 2. Select a location for the speaker that will allow for proper listening range with a moderate volume setting. 3.
MM-014763-001, Rev. G 10 MICROPHONE ATTACHMENT There are several versions of microphones available for use with the radio. Each has a 17-pin flush-mount type connector that mates with the mic connector on the front panel of the control head. The mic’s connector includes a captive thumbscrew that secures it to the mic connector on the front panel of the control head. A microphone clip is included with each microphone.
MM-014763-001, Rev. G 11 OPTIONAL CABLES 11.1 M5300/M7300 OPTION CABLE CA-012349-001 M5300/M7300 Option Cable CA-012349-001 connects to the 44-pin I/O connector on the rear of the radio. It breaks out into several smaller standardized connectors, allowing straightforward access to external I/O interfaces provided by the radio. The cable also shortens radio removal and re-installation time when required. The cable is shown in Figure 11-1 below.
MM-014763-001, Rev. G P5, the cable’s D-subminiature 9-pin connector, provides NMEA-formatted GPS serial data connections for the external computer processing the NMEA-formatted GPS data received by the radio’s internal GPS receiver. See Section 12 on page 103 for additional information.
MM-014763-001, Rev. G Table 11-1: M5300/M7300 Option Cable CA-012349-001 Interconnections 44-PIN I/O CABLE CONNECTOR P1 PIN SIGNAL NAME TO/FROM DESCRIPTION 5 FDISC P4 pin 9 Buffered Discriminator Audio Output (not normally used). 13 ALO P4 pin 10 12 MICHI P4 pin 11 In a front-mount M5300/M7300 radio installation, this 600-ohm AC-coupled differential audio output from the mounted (local) CH-721 is typically not used.
MM-014763-001, Rev. G Table 11-1: M5300/M7300 Option Cable CA-012349-001 Interconnections 44-PIN I/O CABLE CONNECTOR P1 PIN 18 INP1 TO/FROM DESCRIPTION P4 pin 21 Digital Input 1. Active = Ground. Inactive = Open. Use P4 pin 1 for ground. For use as a PTT input with OpenSky “rear panel software” R15A and later, send the following AT command to the radio: AT@PTT_INPUT1. Also see P3 pin 3. For ECP, configure via the “Auxiliary Input 1” in Radio Personality Manager’s (RPM’s) External I/O dialog Box.
MM-014763-001, Rev. G 11.2 SERIAL PROGRAMMING CABLE CA-013671-020 Serial Programming Cable CA-013671-020 (20 feet long) can be used to program and configure the M7300 mobile radio via a Personal Computer. Also, the cable can be used to extend GPS NMEA-formatted serial data connections available at connector P5 of the radio’s Options Cable. The cable’s assembly and wiring diagrams are shown in Figure 11-2 below.
MM-014763-001, Rev. G 11.3 CH-721 OPTION CABLE CA-011854-001 CH-721 Option Cable CA-011854-001 can be used to connect optional equipment to the 25-pin D-subminiature (DB-25) connector on the rear of the CH-721. This cable expands the connections available at the 25-pin connector to three (3) separate connectors. The cable’s assembly and wiring diagrams are shown in Figure 11-3 below. (Made From PS-CA-011854 Rev.
MM-014763-001, Rev. G 11.4 ACCESSORY CABLE 19B802554P24 When a remote-mount radio installation employs the HHC-731 hand-held controller, Accessory Cable 19B802554P24 is required to make connections to an external siren and light control system. This cable’s male DB-25 connector, identified P1, mates to the female DB-25 connector of HHC-731 Interface Cable. The cable’s assembly diagram is illustrated in Figure 11-4 below. Connector J1 mates with a cable provided with the siren and light control system.
MM-014763-001, Rev. G 11.5 CH-721 SERIAL PROGRAMMING CABLE CA-104861 Serial Programming Cable CA-104861 (5 feet) can be used to program and configure the CH-721 control head via a Personal Computer. This cable has a female DB-9 connector on one end for connection to the PC’s serial port connector and a male DB-9 connector on the other end for connection to the serial port connector on the rear of the head. The cable’s assembly diagram and wiring list are shown in Figure 11-5 below.
MM-014763-001, Rev. G 11.6 HHC-731 INTERFACE CABLE CA-018399-001 HHC-731 Interface Cable CA-018399-001 interconnects a DC power cable and the CAN cable from the radio to the HHC-731 hand-held controller. It also has a 25-pin connector that can be used to connect optional equipment to the HHC-731. The cable’s assembly and wiring diagrams are shown in Figure 11-6 below. Connector J1 mates with the DC power cable from the main and switched fused power sources.
MM-014763-001, Rev. G 11.7 SPEAKER-ONLY OPTION CABLE CA-012349-007 Speaker-Only Option Cable CA-012349-007 is typically only used to make speaker connections to the radio when the HHC-731 hand-held controller is employed. Optional connections cannot be made to the 44-pin (DB-44) connector on the rear of the radio when the cable is employed. This 20-foot cable connects the radio’s high-power speaker audio output to the 2-wire leads of the speaker. Refer to Section 9.2.
MM-014763-001, Rev. G 12 GPS NMEA-FORMATTED SERIAL DATA CONNECTION To obtain GPS NMEA-formatted serial data from the radio, M5300/M7300 Option Cable CA-012349001 is required. In addition, the radio must be equipped with the GPS receiver option. Follow this procedure to complete the GPS NMEA-formatted serial data connections: 1. Obtain M5300/M7300 Option Cable CA-012349-001. Each “leg” of this cable is approximately 65 inches long (166 centimeters). 2.
MM-014763-001, Rev. G 13 INITIAL POWER-UP TEST 1. At the radio’s main waterproof (HFB-type) fuse holder installed near the vehicle battery, insert the 15-amp AGC-type fuse that was included with the radio’s DC Power Cable. 2. Tie and stow all fuse holders at this location to prevent excess vibration/movement. 3. Carefully reconnect the vehicle’s battery ground cable. 4.
MM-014763-001, Rev. G 14 PERFORMANCE TESTS This section includes procedures to verify the performance of the installation’s mobile antenna system. There are three (3) procedures in this section: • Changing Operating Mode for Tests • Testing by Transmitting into a Dummy Load (a 50-Ohm RF Terminator) • Testing by Transmitting into the Mobile Antenna CAUTION The accuracy of test results depends upon a DC power source in the range of 13.6 volts DC ±10%, with a current capacity of greater than 15 amps.
MM-014763-001, Rev. G 2. For the control head, use the •/•• Ramp Control to scroll through the menu until Mode Menu appears in the display. For the hand-held controller, use the Ramp Up Button or Ramp Down Button located on the top of the controller to scroll through the menu until Mode Menu appears in the display. 3. For the control head, select an available conventional channel/system via the +/- Ramp Control.
MM-014763-001, Rev. G 14.2 REQUIRED TEST EQUIPMENT Table 14-1: Required Test Equipment TEST EQUIPMENT Average-Responding Wattmeter (for conv. measurements) MODEL / PART NUMBER & DESCRIPTION Bird Electronic Corp. Model 43 (or equivalent) with Type N female connectors at input and output ports. or Peak-Reading Wattmeter (for OpenSky measurements) Bird Electronic Corp. Model 4314B (or equivalent) with Type N female connectors at input and output ports.
MM-014763-001, Rev. G Vehicle-Mounted Antenna M7300 Mobile Radio (Rear View) TNC Male-to-Type N Male Coaxial Jumper Cable Wattmeter Radio’s DC Power Cable CAN Cable, Option Cable, and GPS Antenna Cable connections not are indicated. Type N Male-toTNC Female RF Adapter IN OUT 3-Pin Connectors Installation’s DC Power Cable Wattmeter Slug (see text) From 13.8-Volt Fused Power Source 50-Ohm RF Terminator (“Dummy Load”) Figure 14-1: Wattmeter Connections for Antenna System Tests 5.
MM-014763-001, Rev. G 14.4 TRANSMITTING INTO THE MOBILE ANTENNA 1. Connect the antenna cable from the vehicle-mounted antenna to the wattmeter as shown in Figure 14-1. 2. If not already, turn the radio on and set it to the required operating mode (based upon available radio programming and test equipment). Refer to Section 14.1 as necessary. 3. Set the radio to a test talk group or conventional channel, if available. NOTE It is recommended that a test talk group/channel be allocated for this testing.
MM-014763-001, Rev. G NOTE If the mobile radio installation employs a ¼-wave unity-gain antenna (part number AN102800V1 or AN102800V2), the driven element (i.e., whip) of the antenna must be trimmed to the proper length in order to minimize antenna system VSWR. Refer to the instructions included with the antenna for trimming instructions. 9. Position the wattmeter’s slug to measure reverse (reflected) RF power from the antenna.
MM-014763-001, Rev.
MM-014763-001, Rev. G 14.5 TEST PERFORMANCE DATA FORM Clip Here Enter the information requested on this data collection form. Clip this form and file it as a permanent record of the tested performance of the M7300 mobile radio installation.
MM-014763-001, Rev. G 15 COMPLETE THE INSTALLATION Double-check the following items before considering the installation completed: • Verify all newly installed mechanical hardware is mounted securely and all respective mounting hardware is tight. • Verify all electrical interconnections are connected properly and the associated connector attachment hardware is tight. Pay special attention to all RF antenna cables! • Verify all related fuses are correctly installed and properly rated.
MM-014763-001, Rev. G 17 WARRANTY A. Harris Corporation, a Delaware Corporation, through its RF Communications Division (hereinafter "Seller") warrants to the original purchaser for use (hereinafter "Buyer") that Equipment manufactured by or for the Seller shall be free from defects in material and workmanship, and shall conform to its published specifications. With respect to all non-Seller Equipment, Seller gives no warranty, and only the warranty, if any, given by the manufacturer shall apply.
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