MXT275 Owner’s Manual
Model MXT275 Table of Contents WELCOME TO THE WORLD OF MIDLAND…………………………………....…….3 FEATURES………………………………………………………………………………………....3 FCC NOTICE…………………………………….……………………………………………..…..4 Exposure to Radio Frequency Energy………..……………………………………………........4 INSTALLING YOUR RADIO………………………………………………………………….…...5 Preparation for Installation…........…………………………………………....5 Installing the Mounting Bracket…...…………………………………………..6 Installing the Antenna……………….………………………………………….7 Electrical and Rear Panel Connections..
Model MXT275 ACCESSORIES…………..……………………………………………………………………..30 LIMITED WARRANTY…………………………………………………………………………..31 WELCOME TO THE WORLD OF MIDLAND RADIO Congratulations on your purchase of a high quality MIDLAND product.Your MXT275 2-way radio represents state-of-the-art high tech engineering. Designed for General Mobile radio Service (GMRS) operation, this compact package is big on performance. It is a quality piece of electronic HTXLSPHQW VNLOOIXOO\ FRQVWUXFWHG ZLWK WKH ¿QHVW FRPSRQHQWV 7KH FLUFXLWU\ is al
Model MXT275 FCC NOTICE The MXT275 operates on GMRS (General Mobile Radio Service) frequencies, which require a Federal Communications Commission (FCC) license. You must be licensed prior to operating on channels 1-7, 15-22 and repeater channels 15-22, which comprise the GMRS channels of the MXT275. Serious penalties may result from unlicensed use of GMRS channels, in violation of FCC rules, as stipulated in the Communications Act’s Sections 501 and 502 (amended).
Model MXT275 INSTALLING YOUR RADIO Preparation for Installation This radio may be installed in any 12-volt, negative ground, system vehicle. Most current U.S. and Foreign vehicles use a negative ground system, but some older models and some newer large trucks may have a SRVLWLYH JURXQG &KHFN WKH VSHFL¿FDWLRQV IRU \RXU YHKLFOH EHIRUH EHJLQQLQJ installation. Generally, you have a negative-ground system if the negative (-) battery terminal is connected to the motor block.
Model MXT275 Installing the Mounting Bracket 1. Using the mounting bracket as a template, mark the location of each screw hole under the dash. Use a nail or other sharp pointed object to mark the hole locations. 2. Attach the bracket to the dash with the Phillips head sheet metal screws provided. Tighten the screws securely. DO NOT OVER-TIGHTEN. 3. Slide the radio into the mounting bracket.
Model MXT275 Installing the Antenna The MXT275 includes a “magnetic mount” antenna, intended to be DWWDFKHG WR WKH YHKLFOH¶V URRI WUXQN RU VLPLODU ORFDWLRQ 6SHFL¿F LQVWDOODWLRQ requirements vary between vehicles. Use the following guidelines to install the antenna. :KHUH \RX ORFDWH \RXU DQWHQQD GRHV PDNH D GLႇHUHQFH Some general rules for antenna location that can aid radio performance. 1. 0HWDO VXUIDFHV FRYHUHG E\ ¿EHUJODVV RU YLQ\O PD\ DႇHFW UDGLR UDQJH Avoid these locations. 2.
Model MXT275 Electrical and Rear Panel Connections Refer to Rear Panel Connections for rear panel connector locations. NOTE: Radio antenna is installed separately. 1. The power cord supplied with the MXT275 is equipped with a cigarette lighter adapter for easy installation. Simply plug the connector into the vehicle’s cigarette lighter.
Model MXT275 Using an External Speaker The MXT275 provides a rear-panel jack for connection of an optional external speaker (purchased separately). When selecting an external speaker, ensure the speaker has 8-ohm impedance and is rated for 4.0 watts. NOTE: When an external speaker is connected, the radio’s internal speaker is automatically disabled. CONTROLS AND INDICATORS 1 2 3 8 4 9 5 10 6 MIC 7 11 Microphone Operating Controls 1. LCD Display 2. Speaker/Microphone Jack 3.
Model MXT275 6. Lock - Press and hold to lock the keypad 7. Mic - Built in Microphone 8. WX - Press and release the WX button to enter the Weather Radio Mode 9. MON - Press and release the MON button to activate the Monitor Function 10. Scan - Press and release the Scan Button to activate the Channel Scan Function 11. Transmit/Receive Indicator - Light is red when you are transmitting a signal, the light is green when receiving a signal Microphone Operating Controls (cont) 4 1 2 3 1.
Model MXT275 Front Panel Connections 1 2 1. Microphone Jack 2. USB Chaarging Jack Back Panel Connections 3 1 2 1. ANT Jack - SO-239 UHF connector for external antenna (included) 2. EXT SPKR Jack - 3.5mm audio connector for optional external speaker (purchased separately) (see Using an External Speaker for VSHFL¿FDWLRQV 3. 13.8V DC Cable - 2-wire DC connector for 12V DC nominal input power connection midlandusa.
Model MXT275 LCD Display 12 1. Channel Icon - Shows the selected transmit/receive channel. 2. Recieving Icon - Indicates the radio is recieving a transmission from another user. 3. Repeater Icon - Shows the selected transmit/recieve repeater channel 4. Transmitting Icon - Indicates the radio is transmitting to another user. 5. CTCSS Icon - Indicates a Continuous Tone Coded Squelch System 6. Transmit Power Level Icon - Indicates the Power Level Setting 7.
Model MXT275 OPERATING YOUR RADIO About Range Your MXT275 is designed to give you maximum operating range under optimum conditions. Maximum Range / No Sight Obstruction Medium Range / Partial Obstruction to Line of Sight Short Range / Major Obstruction to Line of Sight Optimum conditions for maximum operating range are: ƒ ƒ ƒ Over water In open rural areas without obstructions 2Q ÀDW DUHDV ZKHUH \RX FDQ VHH WKH RWKHU UDGLR XVHU To ensure you get maximum range: ƒ ƒ Be sure to mount the antenna (inclu
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Model MXT275 Transmitting and Receiving a Call IMPORTANT! To communicate between two radios, both radios must be set to the same channel and Privacy Code (see Selecting a Privacy Code) selections. To transmit and receive a call: 1. Be sure the radio is turned on (see 3RZHU 2Q 2ႇ) 2. To transmit a call, press and hold the PTT button on the microphone, and speak into the microphone in a normal voice. NOTE: For maximum clarity, hold the microphone 2 to 3 inches from your mouth when speaking.
Model MXT275 To “lock” and “unlock” the keypad: 1. Be sure the radio is turned on (see 3RZHU 2Q 2ႇ) 2. Press and hold the Lock button for three seconds. The Keypad Lock icon will show on the LCD display when the keypad is “locked.” ƒ 3. Repeat steps 1 and 2 to “unlock” the keypad. The Keypad Lock LFRQ ZLOO WXUQ Rႇ ZKHQ WKH NH\SDG LV ³XQORFNHG´ ƒ Using Monitor Mode Monitor mode lets you check for activity on the current active channel.
Model MXT275 Scanning for Active Channels Your MXT275 includes an “auto-scan” mode that continuously scans all 15 available channels for activity. To enter and exit “auto-scan” mode: 1. Be sure the radio is turned on (see 3RZHU 2Q 2ႇ) 2. Press and release the Scan button to enter “auto-scan” mode The Scanning icon will show on the LCD display when the radio is in “auto-scan” mode. Your radio will rapidly scan through the 15 available channels and will pause on any active channel.
Model MXT275 2. The radio will then scan all 10 weather channels and will lock on to the strongest weather channel in your area. 3. Use the Channel Up or Channel Down on the microphone to force the radio to re-scan the weather channels while the radio is in scan mode Pressing the Scan button takes the radio out of scanning mode, locking in the active channel. Press and release the Scan button to reactivate weather scan. ƒ 4. Press the PTT to exit Weather Mode. To Manually Set the Weather Channel: 1.
Model MXT275 MENU MODE FUNCTIONS The “Menu” mode provides access to the features and functions shown in the chart below. For additional utility functions, see UTILITY FUNCTIONS. Quick Reference Chart MENU Pr Sq rb CA bP rP db Hi/Lo 01 09 ON-OFF 01 05 ON-OFF ON-OFF oF~07 Pt oF/ / Pt - Privacy Tones - Use this option to set the privacy code. Pr - Transmit Power Level - Use this option to change the trasnmit power level to Hi or Lo.
Model MXT275 When a transmission with the correct tone is received, the mute is removed and the voice audio can be heard. When the transmission ends the channel is muted again. Transmissions that do not have the correct tone are not heard. The MXT275 has 142 Privacy Codes (38 CTCSS codes and 104 DCS codes), which can be applied to any channel. If desired, you can select D GLႇHUHQW 3ULYDF\ &RGH IRU HDFK FKDQQHO 6HH CTCSS Privacy Codes Frequency Chart and DCS Privacy Codes Chart for lists of available Privac
Model MXT275 6. When the desired Privacy Code is shown on the LCD display, press the Lock %XWWRQ WR FRQ¿UP \RXU VHOHFWLRQ YOU MUST PRESS THE LOCK BUTTON TO CONFIRM YOUR SELECTION OR THE PRIVACY CODE WILL NOT BE CHANGED NOTE: If you select a CTCSS Privacy Code, any pre-selected DCS Privacy Code will be cancelled, and vice-versa. Selecting the Transmit (TX) Power Level The MXT275 provides two transmit power levels; HI and Lo.
Model MXT275 To adjust the Squelch Sensitivity: 1. Press the Menu button to place the radio in “Menu” mode. 2. Use the Volume Up or Volume Down button to scroll through the menu options until the LCD display shows Sq. 3. Press the Lock EXWWRQ WR FRQ¿UP \RXU VHOHFWLRQ 4. Use the Volume Up or Volume Down button to scroll forward or backward to select the desired squelch level, from 01 to 09. ƒ The default squelch setting is 04, which generally provides reliable squelch operation for most applications. 5.
Model MXT275 Call Alert Tone Your MXT275 has 5 selectable Call Alert Tones Selecting a Call Alert Tone: 1. Press and release the Menu button to place the radio in “Menu” mode. 2. Use the Volume Up or Volume Down button to scroll through the menu options until the LCD display shows CA. 3. Press the Lock EXWWRQ WR FRQ¿UP \RXU VHOHFWLRQ 4. Use the Volume Up or Volume Down button to scroll forward or backward through the tone options (01 - 05).
Model MXT275 Repeater Channels Your MXT275 has the ability to access repeater channels. The use of a reSHDWHU FDQ VLJQL¿FDQWO\ LQFUHDVH D UDGLR¶V UDQJH DQG FRYHUDJH DUHD 3ULRU to using a repeater you must coordinate with the owner of the repeater to gain permission to use the repeater. Be sure to understand and follow the sharing and usage rules for each repeater system. To Set the Repeater Channel: 1. Press and release the Menu button to place the radio in “Menu” mode. 2.
Model MXT275 5.When the desired color has been selected, press the Lock button to FRQ¿UP \RXU VHOHFWLRQ YOU MUST PRESS THE LOCK BUTTON TO CONFIRM YOUR SELECTION OR THE BACKGROUND COLOR WILL NOT BE CHANGED Choosing your Output Speaker You can choose which speaker you would like to use for your audio. To Change the Primary Speaker used by your radio: 1. Press and release the Lock Button 2.
Model MXT275 CARE AND MAINTENANCE CAUTION: DO NOT use alcohol or cleaning solutions to clean the radio. DO NOT immerse the radio in water. 1. Use a soft cloth moistened with water to clean the radio. 2. Dry the radio with a dry lint-free cloth should it get wet. TROUBLESHOOTING GUIDE ,I \RX H[SHULHQFH GLႈFXOWLHV XVLQJ \RXU 0;7 UHIHU WR WKH IROORZLQJ chart to correct common operation problems. If you have a problem which \RX EHOLHYH UHTXLUHV VHUYLFH SOHDVH FDOO ¿UVW DQG VSHDN ZLWK D VHUYLFH technici
Model MXT275 SPECIFICATIONS Channels: 15 GMRS Channels and 10 NOAA Weather Channels Privacy Codes: Operating Frequency: Repeater Frequency: Power Source: 38 CTCSS; 104 DCS UHF; 462.5500 ~ 462.725 MHz UHF; 467.5500 ~ 467.725 MHz 13.8 VDC Nominal GMRS Frequency Chart Ch. No. Ch. Freq. (MHz) 1 462.5625 2 462.5875 3 462.6125 4 462.6375 5 462.6625 6 462.6875 7 462.7125 Ch 8 ~ 14 Reserved for FRS WX Band Channels Ch. No. 15 16 17 18 19 20 21 22 Ch. Freq. (MHz) 462.550 462.575 462.600 462.625 462.650 462.
Model MXT275 CTCSS Privacy Codes Frequency Chart Code 1 2 3 4 5 6 7 8 Freq. 67.09 71.9 74.4 77.0 79.7 82.5 85.4 88.5 Code 9 10 11 12 13 14 15 16 Freq. 91.5 9 4.8 97.4 100.0 103.5 107.2 110.9 114.8 Code 17 18 19 20 21 22 23 24 Freq. 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 Code 25 26 27 28 29 30 31 32 Freq 156.7 162.2 167.9 173.8 179.9 186.2 192 .8 203.5 Code 33 34 35 36 37 38 Freq 210.7 218.1 225.7 233.6 241.8 250.3 DCS Privacy Codes Chart No.
Model MXT275 ~IDLAND------------- ~I OLAND 2-Way Radios 2 -Way Radios midlandusa.
Model MXT275 ACCESSORIES Accessories can be purchased at midlandusa.com Page 30 midlandusa.
Model MXT275 LIMITED WARRANTY (United States and Canada) Subject to the exclusions set forth below, Midland Radio Corporation will repair or replace, at its option without charge, any Midland FRS/GMRS which fails due to a defect in material or workmanship within One Year following the initial consumer purchase.
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MIDLAND RADIO CORPORATION 5900 Parretta Drive Kansas City, MO 64120 Call 816.241.8500 We’d love to hear from you! Let us know what you think of your new Midland product at: or by visiting us at: midlandusa.com 1RWH )HDWXUHV DQG 6SHFL¿FDWLRQV DUH VXEMHFW WR FKDQJH ZLWKRXW notice. MIDLAND RADIO CORPORATION is not responsible for unintentional errors or omissions on its packaging.
~IDLAND midlandusa.com [ IChannel Down I MXT275 QUICK START GUIDE Power J IChannel Up I ( LCD Display)----+ii--HI I Menu l--1+-~im \ A ~r 0 0 Plug the DC connector into the DC Jack front of the MXT275 ll....!!~+---(Weather l Monitor 1 Scan I Volume Lock h Plug the DC Power into the vehicle's cigarette lighter f) Insert the microphone's RJ45 connector into the 1 ~1~c~a~~~E==~~~~~~»J_-T~=1 I fol O m=w "' ,.
