MXT400 Owners Manual
Model MXT400 CONTENTS FEATURES..............................................................................4 FCC NOTICE..........................................................................5 Exposure To Radio Frequency Energy......................5 INSTALLING YOUR RADIO Preparation for Installation.........................................................6 Installing the Mounting Bracket..................................................7 Installing the Antenna..........................................
Model MXT400 WELCOME TO THE WORLD OF MIDLAND RADIO Congratulations on your purchase of a high quality MIDLAND product.Your MXT400 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 equipment, skillfully constructed with the finest components. The circuitry is all solid-state and mounted on a rugged printed circuit board.
Model MXT400 INSTALLING YOUR RADIO Preparation for Installation Model MXT400 Installing the Mounting Bracket 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. Check the specifications for your vehicle before beginning installation.
Model MXT400 Electrical and Rear Panel Connections 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. Use the following guidelines to install the antenna. *Where you locate your antenna does make a difference.* 1. Metal surfaces covered by fiberglass or vinyl may affect radio range. Avoid these locations. 2.
Model MXT400 Model MXT400 LCD Display 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.
Model MXT400 Rear Panel Connections 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 1. External Power Jack - Connection Terminal for optional power cable (sold seperately). Short Range / Major Obstruction to Line of Sight 2. EXT SPKR Jack - 3.
Model MXT400 Model MXT400 ▪▪ The TX Indicator will show continuously on the LCD display while Power On/Off To turn the radio on and 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. The LCD display will go blank when the radio turns off.
Model MXT400 Model MXT400 3. Press and hold the Scn/Mon button to enter Monitor mode. UTILITY FUNCTIONS ▪▪ You will hear any activity on the current selected channel. 4. Rotate the Volume Knob to increase or decrease radio volume. 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.
Model MXT400 Model MXT400 “MENU”MODE FUNCTIONS To select a DCS Privacy Code: 1. Press the TS/DCS button twice to enter the DCS Privacy Code settings. 2. Use the Channel Knob to scroll forward or backward through the DCS Code options until the LCD displays the privacy code desired. 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 3.
Model MXT400 Model MXT400 To set the Call Alert Tone To set the Talk Around Function 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 TALK. 3. Turn the Channel knob to select the setting you desire. 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. 3.
Model MXT400 Model MXT400 Squelch Sensitivity The MXT400 has adjustable squelch sensitivity. The minimum squelch level (OF) is the most sensitive, allowing the squelch to open on very weak signals. Setting the squelch to the maximum setting (09) requires very strong signals to open the squelch. To set Repeater Channel Function: 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 REP. 3.
Model MXT400 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. Problem No Power Solution Check vehicle power source (battery); replace if needed.
Model MXT400 Model MXT400 CTCSS PRIVACY CODES FREQUENCY CHART (Hz) Code Freq Code Freq Code Freq Code Freq Code Freq 1 2 3 4 5 6 7 8 67.0 71.9 74.4 77.0 79.7 82.5 85.4 88.5 9 10 11 12 13 14 15 16 91.5 94.8 97.4 100.0 103.5 107.2 110.9 114.8 17 18 19 20 21 22 23 24 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 25 26 27 28 29 30 31 32 156.7 162.2 167.9 173.8 179.9 186.2 192.4 203.5 33 34 35 36 37 38 210.7 218.1 225.7 233.6 241.8 250.
Model MXT400 Model MXT400 ACCESSORIES FCC Warnings and Statements Accessories can be purchased at midlandusa.com 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.
Model MXT400 Model MXT400 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. This warranty does not apply to water damage, battery leak, abuse or misuse of unauthorized accessories, unauthorized service or modification or altered products.
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 Note: Features and Specifications are subject to change without notice. MIDLAND RADIO CORPORATION is not responsible for unintentional errors or omissions on its packaging.
