SRM9022 Key Label Function
Power On/Off
This pushbutton turns the radio on and off. To
turn the radio on, press and hold the button
until the radio turns on. To turn the radio off,
press and hold the button for 2 secs until the
radio turns off.
PTT
Push-To-Talk. Hold the microphone about 10
cm from the mouth. Press and hold the PTT
switch and speak. Release to listen.
Volume Up Increase volume.
Volume Down Decrease volume.
Function Key F1
Programmable Function key.
Default – Menu Select.
Function Key F2
Programmable Function key.
Default – Channel Down.
Function Key F3
Programmable Function key.
Default – Channel Up.
Function Key F4
Programmable Function key.
Default – OK.
Function Key F5
Programmable Function key.
Default – Emergency Alarm.
Function Key F6
Programmable Function key.
Default – Reset/Cancel.
Keypad
1 2 3
4 5 6
7 8 9
* 0 #
Keypad can be used to select a Channel or
Special Function.
E.g. 12# will select channel 12.
Table 1: SRM9022 – Control Functions.
Indicator LED Function
A Green LED when receiving a signal.
A Red LED when the radio is transmitting.
Table 2: LED function.
Doc Number: TNM-U-E-0055 ISSUE 4.0 Page 24