Table of Contents
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Table of Contents
Related Manuals for Midland MXT400
Summary of Contents for Midland MXT400
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Page 2: Table Of Contents
Model MXT400 CONTENTS FEATURES ................4 FCC NOTICE .................5 Exposure To Radio Frequency Energy...... INSTALLING YOUR RADIO Preparation for Installation............6 Installing the Mounting Bracket ..........7 Installing the Antenna ..............8 Electrical and Rear Panel Connections ........9 Connecting the Microphone............9 Using an External Speaker ............10 CONTROLS AND INDICATORS Operating Controls..............10... - Page 3 Model MXT400 “MENU”MODE FUNCTIONS Transmit (TX) Function ............19 Talk Around (Talk) Function .............19 Voice Compander (Comp) Function ........20 Silent Operation (Mute) Function..........20 Call Alert (Call) Function ............20 Time Out Timer (TOT) Function ..........21 Auto Power-Off (APO) Function ..........21 Squelch Sensitivity ..............22 Display Brightness ..............22...
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Page 4: Features
It is a quality piece of electronic equipment, skillfully constructed with the finest components. The circuitry is all solid-state and mounted on a rugged printed circuit board. Your MXT400 radio is designed for reliable and trouble-free performance for years to come. FEATURES –... -
Page 5: Fcc Notice
Federal Communications Commission (FCC) license. You must be licensed prior to operating on channels 1-7, 15-22 or RP15-22, which comprise the GMRS channels of the MXT400. Serious penalties may result from unlicensed use of GMRS channels, in violation of FCC rules, as stipulated in the Communications Act’s Sections... -
Page 6: Installing Your Radio Preparation For Installation
Model MXT400 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 positive ground. -
Page 7: Installing The Mounting Bracket
Model MXT400 Installing the Mounting Bracket 1. Using the mounting bracket as a template, mark the location of each screw hole. Use a nail or other sharp pointed object to mark the hole locations. 2. Attach the bracket with the supplied self-tapping screws. -
Page 8: Installing The Antenna
Model MXT400 Installing the Antenna To get the best range from the MXT400 an external antenna (50Ω) should be used. The antenna is intended to be attached to the vehicle’s roof, trunk or similar location. Specific installation requirements vary between vehicles. -
Page 9: Electrical And Rear Panel Connections
A good direct metal-to-metal ground is essential for optimum performance. Connecting the Microphone Insert the RJ45 connector into the front of the MXT400. To remove, lightly pinch the bottom region of the boot assembly of the Microphone and gently pull towards you. -
Page 10: Using An External Speaker
Model MXT400 Using an External Speaker The MXT400 provides a rear-panel jack for connection of an optional external speaker (sold 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. -
Page 11: Lcd Display
Model MXT400 LCD Display Medium Power Keypad Lock Low Power Compander Auto Power Off Signal Strength Repeater Offset Receiver Active CTCSS Privacy Tone Channel Name DCS Privacy Tone Repeater Channel Microphone Controls Lock Switch - slide the swith down to lock all of the buttons on the mic... -
Page 12: Rear Panel Connections
Model MXT400 Rear Panel Connections 1. External Power Jack - Connection Terminal for optional power cable (sold seperately). 2. EXT SPKR Jack - 3.5mm Audio connector for optional external speaker (sold seperately) (see Using an External Speaker for specifications). 3. ANT Jack - SO-239 UHF connector for external antenna (sold seper-... -
Page 13: Operating Your Radio About Range
Model MXT400 OPERATING YOUR RADIO About Range Your MXT400 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: ▪... -
Page 14: Power On/Off
1. With the radio off, quickly press and release the Power On/Off button to turn the radio on. ▪ The LCD display will display the Midland welcome screen and then display the most recently selected channel. 2. With the radio on, press and hold the Power On/Off button to turn the radio off. -
Page 15: Locking The Keypad
Model MXT400 ▪ The TX Indicator will show continuously on the LCD display while transmitting. 3. To receive a call, release the PTT button on the microphone. ▪ The Busy icon will show on the LCD display when your radio is receiving a transmission. -
Page 16: Scanning For Active Channels
5. Once the radio volume has been adjusted to the desired level, press and hold the Scn/Mon button to exit Monitor mode. Scanning for Active Channels Your MXT400 includes an “auto-scan” mode that continuously scans all 15 GMRS channels for activity. To enter and exit “auto-scan” mode: 1. -
Page 17: Utility Functions
Transmissions that do not have the correct tone are not heard. The MXT400 has 142 Privacy Codes (38 CTCSS codes and 104 DCS codes), which can be applied to any channel. If desired, you can select a different Privacy Code for each channel. -
Page 18: Selecting The Transmit (Tx) Power Level
Selecting the Transmit (TX) Power Level The MXT400 provides up to 3 transmit power levels; Hi, Mi and Lo. The Lo power level is generally suitable when operating under optimum conditions (see About Range). The Hi power level is recommended to ensure you get maximum range from your radio. -
Page 19: Menu"Mode Functions
“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. MXT400 “Menu” Mode Quick Reference Chart Off ~ 9 Transmit (TX) Function You can disable the transmitter section of the radio if you desire to use the radio as a receive only system. -
Page 20: Voice Compander (Comp) Function
4. Press and release the Select button to confirm your choice. 5. Press the Scn/Mon button to exit the Compander Function. Silent Operation (Mute) Function The MXT400 has a Silent Operation mode. In this mode, all “beeps” and “tones” are disabled. To set the Silent Operation: 1. -
Page 21: Time Out Timer (Tot) Function
Model MXT400 To set the Call Alert Tone 1. Press and hold the Menu button for 3 seconds to enter the Menu Mode. 2. Use the Call or Plvl buttons to scroll through the Menu options until the LCD displays Call. -
Page 22: Squelch Sensitivity
5. Press the Scn/Mon button to exit the Display Brightness Function. Repeater Channels The MXT400 has the ability to talk to GMRS repeaters, which can greatly increase radio range. NOTE: Be sure to be aware of the local sharing and usage policies set forth by the owner and operator of the repeater. -
Page 23: Restoring The Default Settings
5. Press the Scn/Mon button to exit the Repeater Channel Function. Restoring The Default Settings You can restore the factory (default) settings for your MXT400 at any time. To restore the Default Settings: 1. Press and hold the Menu button for 3 seconds to enter the Menu Mode. -
Page 24: Troubleshooting Guide
Model MXT400 TROUBLESHOOTING GUIDE If you experience difficulties using your MXT400, refer to the following chart to correct common operation problems. If you have a problem which you believe requires service, please call first and speak with a service technician at 816-241-8500. Many problems can be remedied over the phone without returning the unit for service. -
Page 25: Specifications
Model MXT400 SPECIFICATIONS Channels: 15 GMRS Channels and 8 Repeater Channels Privacy Codes: 38 CTCSS; 104 DCS Operating Frequency: UHF; 462.5500 ~ 462.725 MHz UHF, 462.5625 ~ 467.725 MHz Power Source: 13.8 VDC Nominal Page 25 midlandusa.com... - Page 26 Model MXT400 CTCSS PRIVACY CODES FREQUENCY CHART (Hz) Code Freq Code Freq Code Freq Code Freq Code Freq 67.0 91.5 118.8 156.7 210.7 71.9 94.8 123.0 162.2 218.1 74.4 97.4 127.3 167.9 225.7 77.0 100.0 131.8 173.8 233.6 79.7 103.5 136.5...
- Page 27 Model MXT400 2-Way Radios Weather Radios HD Wearable Video Cameras 2-Way Radios Emergency Crank Radios CB Radios Page 27 midlandusa.com...
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Page 28: Accessories
Model MXT400 ACCESSORIES Accessories can be purchased at midlandusa.com Page 28 midlandusa.com... -
Page 29: Fcc Warnings & Statements
IMPORTANT! Changes or modifications to this unit not expressly approved by MIDLAND RADIO CORPORATION could void your right to operate this unit. Your radio is set up to transmit a regulated signal on an assigned frequency. It is against the law to alter or adjust the settings inside the COMMUNICATOR to exceed those limitations. -
Page 30: Warranty
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. - Page 31 Model MXT400 THIS PAGE IS INTENTIONALLY LEFT BLANK Page 31 midlandusa.com...
- Page 32 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 Note: Features and Specifications are subject to change without notice.
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