
SRM9030plus ~ Trunked Mobile Radio User Guide
© TMC Radio 2008
Page 22
TNM-U-E-0093 Issue 1.1
6.5
DTMF O
PERATION
When the DTMF facility is enabled, (refer to Section 7.1.1), the keypad is automatically
switched to DTMF mode whenever a Voice Call occurs. In this mode you can send DTMF
tones for activating functions via a Voice Call or telephone connection.
Tones are generated using the keys 0…9 # and *.
Note: When DTMF is enabled, the keypad cannot be used to make Include calls.
6.6
E
XTERNAL ALERT
Provision is made to connect an external alerting device to the rear of the radio. The
external alert is activated in time with the ring tones on an incoming call.
This function is enabled by software programming.
When enabled, the External Alert may be switched On or Off using a Function button. A
Chevron is displayed next to the Button Label when the function is On.
External Alert Off
External Alert On