SRP9100 RADIO P25 – OPERATING INSTRUCTIONS
6.13 S
CAN
E
DIT
This key is used to enter the Scan Edit menu, where the members of a scan group can be
added or deleted.
6.14 S
CRAMBLER
If an analogue channel is selected, then the scrambler function button can activate a simple
voice inversion scrambler for low security applications. Scramble mode is indicated by the
‘SC” indicator icon.
6.15 S
KIP
The Skip function key is used to temporarily remove members from a scan channel. The
removal is temporary only until the channel is changed.
6.16 S
QUELCH
The squelch mode is used to selectively receive P25 signals. It has three modes, Monitor,
Normal and Selective. When set to Monitor, all P25 traffic on that channel will be heard,
subject to presence of encryption. Normal mode will hear all P25 traffic with the correct NAC
code. Selective mode will only receive calls to the channel default talkgroup and individual
calls.
6.17 T
ALKAROUND
On a repeater channel only, this function button allows the radio to transmit on the base
station’s output channel, so the user can talk directly to other mobiles on the channel, while
the repeater is out of service or out of range.
When the key is pressed again (or the Channel is changed) the mobile’s transmitter channel
reverts to its normal setting.
Talkaround mode is indicating to the user by a double beep at the start of each PTT.
6.18 Z
ONE
This function provides a shortcut to the detailed zone menu.
© TMC Radio 2007
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TNM-U-E-0073 1.1b