User manual

SRP9170 and SRP9180 ~ PMR Portable Radio User Manual
© ComGroup Australia 2010 page 23 TNM-U-E-0089 Issue 1.4a
5.8 DTMF OPERATION
When DTMF is enabled, DTMF tones can be sent using the Keypad from the Main Channel
Screen. Pressing
0, 1, ..., 9, * and # will send the associated tones when the PTT is pressed.
The tone period and gap are set by the FPP.
DTMF is enabled by selecting the DTMF option in the
User Options sub-menu (refer to Section
6).
5.9 KEYPAD LOCK
The radio has a keypad lock function that may be enabled by the FPP during configuration. If
this function is activated, a key icon will be displayed when the keypad is locked.
To unlock the keypad, it is necessary to press and hold down the
OK key for 2 seconds. After 2
seconds, the key icon will disappear and the keypad will be enabled.
The keypad will automatically re-lock after a period of 10 seconds following no key activity.