Automatic Power Off Function; Squelch Sensitivity - Midland MICRO MOBILE MXT500 Manual

Time Out Timer (TOT) Function
The Time Out Timer limits the amount of transmitting time the radio has per
PTT activation.
1. Press the MENU button to enter the menu. Use the CHANNEL/MENU
SELECTION knob to navigate to menu setting #07 – TOT.
2. To set the time out timer, press the CHANNEL/MENU SELECTION
nob. Use the CHANNEL/MENU SELECTION knob to choose between
OFF, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300 seconds. Press the
3. Press the menu button to exit the time out timer settings.
Automatic Power Off (APO) Function
The Auto Power-Off function allows the user to set a time interval for the
radio to automatically power off after no use.
1. Press the MENU button to enter the menu. Use the CHANNEL/MENU
SELECTION knob to navigate to menu setting #08 – APO.
2. To set the automatic power off, press the CHANNEL/MENU
SELECTION knob. Use the CHANNEL/MENU SELECTION knob to
choose between OFF, 30, 60, 90, 120 minutes. Press the CHANNEL/
• Once the automatic power off function is enabled, the A icon will
appear on the LCD.
3. Press the menu button to exit the automatic power off settings.

Squelch Sensitivity

The MXT500 has adjustable squelch sensitivity. The minimum squelch
level (01) 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.
1. Press the MENU button to enter the menu. Use the CHANNEL/MENU
SELECTION knob to navigate to menu setting #09 – SQL.
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Model MXT500
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