User's Manual

SRM9022 ~ PMR MOBILE RADIO USER GUIDE

7.15 LOW POWER

Forces the radio to low power.

Pressing again puts the radio back to the power level defined for the current channel.

This is not affected by Channel changes.

7.16 DTMF MODE

This function places the numeric keypad into DTMF mode. refer to Section 5.6.

7.17 SCRAMBLER ON/OFF

This function toggles the operation of the frequency inversion voice scrambler.

7.18 SEND DTMF1/2

This function sends a pre-programmed string of up to 16 DTMF digits.

7.19 LOCK / UNLOCK KEY

This function unlocks the keypad by holding down the programmed function buttons

for 2 seconds.