occur on priority channel (F1). If channel activity is detected on F1, then the WatchDog
pager will lock onto F1 and remain on F1 until channel activity ceases. At this time, the
scan function will resume. If channel activity is detected on F2, then the WatchDog
pager will process voice on F2 and periodically scan back to F1 looking for presence of a
carrier. Anytime channel activity is detected on the primary channel, the pager will lock
onto that channel.
Selective Call Scan - The Selective Call Scan mode allows the WatchDog to silently scan
from channel to channel looking for address tones. The pager will only open the audio
path based on detection of an address and not just channel activity. If a proper address is
detected, the WatchDog will alert and open the audio path for messaging. After the
messaging period the pager will continue to function based on the “audio function”
programmed such as “Revert to Carrier Squelch”, “Auto Reset”, “Manual Reset” and so
on.
In order to return to the scan mode, the pager must first enter selective call standby mode.
This is done automatically if the audio function is programmed for “Auto Reset” or
“timeout”. If programmed for “Revert” or “Manual Reset”, the reset button must be
depressed and released. The WatchDog will then resume selective calls scan.
Alerting Features
The WatchDog pager is capable of alerting in three different ways, tone alerting, vibrate
alerting and tone / vibrate alerting. The three position function switch can be pre-
programmed for the type of alert desired and in which switch position.
Tone Alerting - If tone alert is selected, the WatchDog pager will emit an audible tone
alert immediately following proper address detection. The tone alert duration is generally
controlled by the length of a transmitted address tone.
Vibrate Alerting - If vibrate alert is selected, the WatchDog pager will vibrate
immediately following proper address detection. The vibrate alert duration is generally
controlled by the length of a transmitted address tone.
Tone / Vibrate Alerting - When tone / vibrate is selected, the WatchDog pager will
alternately tone alert then vibrate alert for the duration of the alerting cycle. The duration
of the alerting cycle is typically controlled by a transmitted address tone.
WatchDog 5 Channel Operation
The WatchDog pager provides operation on up to 5 channels. Operation is very similar
to the 2 frequency models except the channel frequency for F2 operation can be selected
to be one of four frequencies.
The primary channel is always Frequency 1 (CH1). F2 (CH2) can be selected in the
pagers menu to be any of 4 other frequencies and when selected they will appear as F2
(CH2).
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