Standard Horizon HX751 Owner's Manual page 27

Preset scan starts from the first to the last channel programmed into
memory.
When an incoming signal is detected on one of the channels during
scan, the radio will pause on that channel, allowing you to listen to
the incoming transmission.
When the transmission stops the radio will automatically start Preset
scan again.
During Preset scan the channels will rapidly change
and a "SCN" icon will be shown in the bottom left of
the display.
6.9.4 PRIORITY PRESET SCAN
This feature enables the radio to scan preset channels while also keeping
watch on a particularly important "Priority Channel". Channel 16, 09 or one of
the preset channels may be set as the Priority Channel.
To set the priority channel:
1. Hold down the [ 16/9 ] key and immediately press the [ H/L (
edly. The channel will change from "16" to "9" to Preset Channels "0" through
"9" with each press of the [ H/L (
2. Release the [ 16/9 ] key on the displayed channel to set the Priority Chan-
nel and a "P" icon will appear at the left side of the priority channel.
When a transmission is detected on one of the preset channels, the
radio will pause on that channel, and then momentarily change to
the priority channel looking for an incoming signal.
If the radio receives a transmission on the priority channel it will stay
on the priority channel.
When receiving on a non-priority channel, you will hear a break in
the reception when the radio momentarily monitors the Priority Chan-
nel.
When the transmission stops the radio will automatically start Prior-
ity Preset scan again.
During Priority Preset scan the channels will rap-
idly change, "P" and "SCN" icon will be shown in
the bottom left of the display.
HX751
NOTE
)] key.
NOTE
)] key repeat-
Page 27