GPH Owner’s Manual 9
DTMF ENCODING
Keypad-equipped radios can be programmed to
enable DTMF (Dual Tone Multiple Frequency)
encoding. To send DTMF tones (similar to the
tones used by a standard push-button telephone):
1. PRESS AND HOLD the PTT switch.
2. PRESS ANY OF THE KEYS on the keypad.
You will hear a sidetone.
The FCN, PRI, ENT, and CLR keys respond as DTMF
tones A, B, C, and D, respectively
.
ANI ENCODING
ANI encoding (Automatic Number Identification), if
enabled, transmits a sequence of DTMF tones each
time you press the PTT switch. You will hear a
sidetone. Your dealer can program the ANI number
to be sent.
If DTMF and ANI are both enabled, the ANI tone
sequence is transmitted only after the ENT key is
pressed while the PTT switch is activated. You will
hear a sidetone.
TIME-OUT TIMER
The transmit time-out timer limits the duration of
calls and guards against accidentally locking on the
transmitter and tying up the radio system. Your
dealer can program the duration of the time-out timer
(15–225 seconds, or disabled).
NUISANCE CHANNEL DELETE
If nuisance channel delete is enabled in your radio,
and the scan function is assigned to a top switch
(Switch B, for example), you can delete a nuisance
channel. To temporarily lockout an active nuisance
channel, slide Switch B (scan) down momentarily
and then back up.
123
456
789
0
*
#
CLR
FCN
PRI
ENT
1 2 3
4 5 6
7 8 9
0
*
#
CLR
FCN
PRI
ENT
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