Model MXT100
To “lock” and “unlock” the keypad:
1. Be sure the radio is turned on (see Power On/Off).
2. Press and hold the Menu
button for two seconds.
The Keypad Lock icon will show on the LCD display when the
keypad is “locked.”
3. Repeat steps 1 and 2 to “unlock” the keypad.
The Keypad Lock icon will turn off when the keypad is
“unlocked.”
Adjusting the Display Illumination
You can adjust the illumination of the LCD display to ensure optimum
visibility under various daytime and nighttime lighting conditions. There are
five levels of illumination, from off to full brightness.
To adjust display brightness:
1. Be sure the radio is turned on (see Power On/Off).
2. Briefly press and release the Power On/Off
button.
Each time the button is pressed and released, the display
illumination increases to the next brightness level.
When the maximum brightness level is reached and the button is
pressed and released, the display illumination turns off.
Using Monitor Mode
Monitor mode lets you check for activity on the currently active channel.
You can also use Monitor mode to adjust the volume of your radio when
not receiving a signal.
To enter and exit Monitor mode:
1. Be sure the radio is turned on (see Power On/Off).
2. Be sure you have selected the desired channel (see Selecting the
Active Channel).
3. Press the Monitor/Quiet Channel
button to enter Monitor mode.
You will hear any activity on the currently selected channel.
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