Open Scan (Os) Mode; Group Scan (Gs) Mode - Uniden UM423 AM Owner's Manual

Operation

Open Scan (OS) Mode

Allows continuous scanning of all selected channels.
If an active channel is found, scanning will stop on that
channel. If the received signal ceases, the unit will wait 3
seconds for the signal to return, otherwise scanning resumes.
To skip the active channel, press any of the channel keys on the base or handset. To deactivate
[SCAN/MEM]
SCAN, press .
OS Mode is indicated by the absence of the GS icon.

Group Scan (GS) Mode

Includes the accessory feature Priority Watch which allows you to monitor the Priority Channel
while scanning (see page 13 for setting Priority Channel).
To use GS Mode Scanning, press [MENU/ENTER] one time and then press any channel key to
change the GS setting to on. Then press and hold [MENU/ENTER] to save the setting.
GS icon appears on the display.
GS Scanning checks the Priority Channel
AM T R AN SC E I VE R
for activity regularly.
If the Priority Channel becomes active the
radio will stay on that channel for as long as
the signal is present. If the received signal
ceases, GS Scanning continues after 3
seconds.
If scanning stops on a channel which is not the Priority Channel, AM Marine Radio will continue
monitoring the Priority Channel for activity while listening to the active one.
[SCAN/MEM]
To deactivate SCAN, press .
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