E F Johnson Company 2425M80 Benutzerhandbuch
Draft 02 - Sep 1 2015
5-12
Conventional Mode Features
status display for the Standard Control Head or
is not indicated on the top of the
screen for the Lightning Control Head. If required, turn scanning OFF by briefly
pressing this switch. If the SCAN option switch is pressed while scanning, Nuisance
Channel Delete described in Section 4.12.5 is performed.
pressing this switch. If the SCAN option switch is pressed while scanning, Nuisance
Channel Delete described in Section 4.12.5 is performed.
2 The currently selected list is then indicated in the display as “LIST x”, where “x” is the
scan list number. Rotate the Select switch to select the desired list and then exit this
mode by pressing the Select or SCAN option switch. A single beep sounds when the
Select switch is pressed (if that option is selected).
mode by pressing the Select or SCAN option switch. A single beep sounds when the
Select switch is pressed (if that option is selected).
5.10.2 Transmitting in Scan Mode
Each conventional scan list can be programmed for one of the following modes. These
modes determine if priority sampling occurs and also the channel on which transmissions
occur while scanning. Refer to the next section for more information on priority sampling.
modes determine if priority sampling occurs and also the channel on which transmissions
occur while scanning. Refer to the next section for more information on priority sampling.
No Priority - Priority sampling does not occur (all channels are scanned in sequence)
Priority on Selected - The Priority 1 channel is always the selected channel.
Priority on Programmed - The Priority 1 channel is user defined
Talk Group Scan - Monitors a single digital conventional channel. When a call is
receivied, the radio searches the scan list for a talkgroup that matches the received
talkgroup
receivied, the radio searches the scan list for a talkgroup that matches the received
talkgroup
Vote Scan - Analog - Scan based on received signal strength (analog channels).
Vote Scan - Digital - Scan based on received signal strength (digital channels)
Talkback Type - Selected Group - The radio always transmits on the selected group.
Talk Back Type - Active Group - The radio transmits on the last group received until
the Scan Hold Timer expires. After the Scan Hold Timer expires the radio transmits on
the selected group.
the Scan Hold Timer expires. After the Scan Hold Timer expires the radio transmits on
the selected group.
5.10.3 Priority Channel Sampling
The following describes priority sampling when scanning conventional channels.
Note
Priority sampling when scanning SMARTNET/SmartZone/P25 Trunking channels is
described in Section 6.11.1.
described in Section 6.11.1.
The priority channel sampling feature ensures that when priority scanning, messages on
the priority channel are not missed while listening to a message on some other channel.
The radio can be programmed as just described so that the priority channel is a fixed
channel programmed in the current scan list, the currently selected channel, or not used.
the priority channel are not missed while listening to a message on some other channel.
The radio can be programmed as just described so that the priority channel is a fixed
channel programmed in the current scan list, the currently selected channel, or not used.