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ProSound
TM
The radio may be programmed for ProSound system scan operation for
multi-site applications. ProSound scanning is an enhanced replacement for
wide area system scanning. This algorithm insures that the radio continually
receives high quality audio. When the selected system degrades to a prepro-
gammed level, the radio begins searching for the best adjacent system on a
part time basis. Once a better system is found the radio changes to the new
system and sounds a tone. Should the control channel be lost completely,
the radio will scan the adjacent systems until a suitable one is found.
Priority System Scan
The radio may also be programmed for priority system scan. A priority sys-
tem may be assigned among the systems programmed into the radio. Radios
programmed in this manner will check for the priority trunked system’s con-
trol channel at a programmable rate ranging from 1 to 16 minutes. This pri-
ority scan timer is reset each time the PTT button is pressed or a call is
received. If the priority system control channel is found, the radio will auto-
matically switch to the priority system.
Menu Selection
Press
M
and then use the
, . control to scroll through the selec-
tions until
SYS SCAN
is displayed. Then press
M
to toggle the System
Scan state. The
SYSC ON
or
SYSC OFF
display message is displayed for
two seconds to show the new state.
Pre-Programmed Keypad Key
Press the pre-programmed key and the
SYSC ON
or
SYSC OFF
display
message is displayed for two seconds to show the new state.
GROUP SCAN OPERATION
Only Groups that are part of the radio’s scan list may be scanned. Groups are
added to the scan list on a per system basis by PC Programming, the radio
keypad or both, dependent upon programming. This scan list may be
changed by the user from the keypad unless programmed otherwise. Each
system’s group scan list is retained in memory when the radio is turned off.
The Orion mobile radio may also be programmed to provide Trunked Prior-
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