TM840 DMR Mobile RadioQuick User Guide
3.2 Programmable Buttons
For the convenience of users to operate the radio according to their own habits, the following buttons
can be programmed as short cuts to radio functions by dealer.
P1 to P4 can be programmed to “long press” and short press.
Note:
Short Press:Pressing and releasing rapidly.
Long Press: Pressing and holding for the programmed duration. (This time can be set via the
programming settings)
No function. The error alert will be heard when the key
pressed.
Toggles power level between high and low.
Press monitor key to enter to “carrier squelch” mode when the
current channel is with CTC/DCS, thus the radio will unmute