Motorola JT 1000 Panduan Pengguna - Halaman 17
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Halaman Cetak
17
Radio Operation
with Features (cont.)
Channel Scan
•
Talk-Back Scan – lets the user respond on the channel with activity
within a specified "hang-time". Hang time is the amount of time that the
radio user has to respond to a received transmission. If the user misses
the allotted time and tries to transmit, transmission occurs on the
channel currently selected by the channel selector.
•
Designated Tx Channel – transmission will always occur on this channel,
whether or not there is activity on a scan channel.
B.
Operation
How to Turn Channel Scan On
Turn the radio on and place the radio in the scan-on mode (for units with
preprogrammed and/or operator-selectable channel scan), or rotate the channel
selector and stop on the preprogrammed scan channel (for units with auto scan).
Scanning begins.
During scan, the display shows the channel that the rotary knob is set on.
When activity is detected on a channel, the radio locks onto it, monitors the
conversation, and the display shows the active scan channel. When activity is
over and the "hang time" (programmable) has expired, the scanner proceeds to
the next active channel.
Scan Annunciators
W h e n s c a n i s t u r n e d o n , t h e s c a n s t a t u s
annunciator on the display turns on, and remains on
until scan is turned off. If scanning stops on a priority
channel, the priority scan status annunciator (dot) will
be flashing.
How to Turn Channel Scan Off
Place the 3-position switch in the scan off position
o r p r e s s t h e s c a n o f f b u t t o n ( f o r u n i t s w i t h
preprogrammed and/or operator-selectable channel
scan), or rotate the channel selector to any position
other than a channel with channel scan (for units with
auto scan). Scanning stops.
How to Delete a Nuisance Channel from the Scan
List
While in channel scan operation, if conversation on
a particular non-priority channel (nuisance channel)
bothers you, temporarily delete that channel from the
scan list by pressing side button 1 when the radio is
locked onto the channel. The channel will be temporarily
deleted from the list until scan is turned off. The
channel is put back into the list upon re-entry into scan.
The channel is also put back into the scan list if you
change modes by rotating the channel selector. All
scan list channels except one, may be nuisance
deleted. The priority channel may not be nuisance
deleted.
TM
Features (cont.)
side
button 1