Operator’s Manual Base Tech IV Series 94-3110B 110 Watt VHF P25 Base/Repeater Station 94-4100B 100 Watt UHF P25 Base/Repeater Station Perspective picture here www.midlandradio.
Base Tech IV P25 Base/Repeater Station WARNING: The antenna(s) used for this transmitter must be fixed-mounted on outdoor permanent structures with a separation distance of at least 6 meters from all persons during normal operation. The peak conducted output power at each antenna terminal must not exceed 250 Watts and the peak radiated output power must not exceed 1000 Watts EIPR. Users and installers must ensure that FCC requirements for satisfying RF exposure compliance are met.
Base Tech IV P25 Base/Repeater Station Contents Contents .................................................................................. 3 Conventions and Symbols in this Book ................................... 4 Disclaimer ................................................................................ 4 Introduction .............................................................................. 4 Models ..................................................................................
Base Tech IV P25 Base/Repeater Station Conventions and Symbols in this Book This symbol marks a “caution”. Cautions are special notices which you should read and follow carefully to avoid possible damage to your equipment and to avoid potential danger to yourself or other people. ! This symbol marks an “important point”. Important points are specific instructions which should be followed closely for proper operation. This symbol marks a “note”.
Base Tech IV P25 Base/Repeater Station Radio Features The Base Tech IV series base/repeater stations are programmable, synthesized transceivers featuring: 5 P25 operation 5 Transmit power continuously variable up to 100 Watts, UHF; 110 Watts, VHF. 5 12.5 KHz channel spacing. 5 4 programmable buttons. The function of each button is assigned by dealer programming. 5 6 LED indicators for power-on, busy, transmit, alarm, digital and repeat.
Base Tech IV P25 Base/Repeater Station sequence must be entered each time the radio is turned on, in order to operate the radio. Recommended Accessories ??? Replacement microphone ??? Desktop microphone ??? DTMF microphone Radio Controls Front Panel 1 2 3 4 5 front panel picture here 6 1. 2. 3. 4. 5. 6 7 8 9 1 Power switch. Press and release to turn the transceiver on. Press and release again to turn the transceiver off. LED power indicator. Multi-function rotary encoder.
Base Tech IV P25 Base/Repeater Station 6. 7. 8. 9. 10. Programmable function buttons. 4 buttons with dealer programmed options/functions. Internal front speaker. USB type B programming jack. 3.5 mm mono headphone jack. RJ45 microphone jack. Rear Panel 1 2 Rear panel picture here 5 6 7 8 9 3 4 1. DB25 expansion connector. 2. RJ45 tone remote/E&M connector. 3. Ethernet connector. 4. Remote switch. 5. Type N receiver input connector. 6. External reference input connector.
Base Tech IV P25 Base/Repeater Station Setup Unpacking The following items are supplied in the standard package: 5 One transceiver. 5 One palm microphone. 5 One DC power cord 5 One user’s manual. Installation Radio installation should only be done by qualified and trained personnel, familiar with automotive electronics installation, and FCC RF exposure guidelines. This transceiver should be connected to a 12VDC power supply capable of 20 amps.
Base Tech IV P25 Base/Repeater Station Basic Operation ! Before turning on your radio for the first time, you should ensure power connections have been made correctly and all antenna connections are proper and secure. Turning the Radio On and Off Press and release the power button. The power LED should light indicating the radio power is on. The radio will perform some software loading and checks then display the channel. To turn the radio off, press and release the power button again.
Base Tech IV P25 Base/Repeater Station CTCSS or CDCSS signaling adds an additional condition to carrier squelch operation. In addition to the signal having to exceed the squelch threshold level, the received signal must also have the correct CTCSS tone or CDCSS code before the audio will be passed to the speaker. CTCSS or CDCSS signaling allows multiple users on the same frequency to hear only signals which have their correct CTCSS tone or CDCSS code.
Base Tech IV P25 Base/Repeater Station configured for normal digital squelch mode, all signals with matching NAC will be heard. If the receiver is configured for selective squelch mode, only signals addressed to the proper talk group or individual ID will be heard. Mixed Receive Operation If the radio channel is programmed for mixed receive operation, the radio will receive both analog and P25 digital signals.
Base Tech IV P25 Base/Repeater Station 6. Keep the PTT switch pressed until you have finished speaking. 7. Release the PTT switch to return to receive mode. Press PTT before you start talking and release PTT after you have finished speaking. The radio might be programmed with a timeout timer which will automatically end your transmission after a preset time. In this case release PTT and wait for a few seconds. The radio transmitter will be enabled again after a few seconds.
Base Tech IV P25 Base/Repeater Station Programmable Functions For increased flexibility and customization, the four front panel buttons may be programmed with the following functions: Monitor Press and release this button to toggle the monitor mode. While in monitor mode, the radio will receive any CTCSS/CDCSS/NAC. P25 Squelch Mode On digital or mixed mode receive channels, press and release this button to toggle the digital squelch mode.
Base Tech IV P25 Base/Repeater Station Messaging Mode Press and release this button to switch between the available messaging modes. The available messaging modes include call alert, radio check, radio inhibit, radio uninhibit, radio monitor, status update, status request, short message and telephone dial. Direct Channel Press and release this button to switch to the configured channel. Emergency Mode Press and hold for two seconds to activate the emergency function.
Base Tech IV P25 Base/Repeater Station Message Display Quick Reference Error Codes Display Description © 2013, Midland Radio Corporation http://www.midlandradio.
Base Tech IV P25 Base/Repeater Station Specifications General specifications 94-3110B VHF 94-4100B UHF Frequency range 146-174 MHz 440-475 MHz FCC ID number MMA943110B MMA944100B FCC type acceptance Modulation type Maximum number of channels Channel spacing Channel stepping CTCSS/DCS per channel Input voltage Size (H x W x D) Weight Part 90 Part 90 11K0F3E/11K0F1D/11K0F2D 11K0F3E/11K0F1D/11K0F2D 500 500 12.5 KHz 12.5 KHz 2.5/5/6.25 KHz 5/6.
Base Tech IV P25 Base/Repeater Station Warranty Statement Midland Radio Corporation (herein, Midland) warrants each new radio product manufactured or supplied by it to be free from defects in material and workmanship under normal use and service for a period listed below, provided that the user has complied with the requirements stated herein. The Warranty period begins on the date of purchase from an Authorized Midland Sales and Service Outlet.
This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. This radio operates in FCC regulated frequency bands. All radios must be licensed by the FCC before use. Because this radio contains a transmitter, Federal law prohibits unauthorized use or adjustments of this radio. 5900 PARRETTA DRIVE, KANSAS CITY, MISSOURI, 64120 PHONE: (816) 241-8500, FAX: (816) 241-5713 www.midlandradio.
