E F Johnson Company 2424330 Benutzerhandbuch
GENERAL OPERATION
15
For direct selection purposes, channels are
numbered sequentially starting with the lowest zone.
Each zone can be programmed with up to 16 channels,
so Zone 1 channels are numbered 1-16, Zone 2 chan-
nels 17-32, and so on as shown below. For example,
Zone 1/Channel 16 is selected by Channel 16, and
Zone 2/Channel 16 is selected by Channel 32.
Each zone can be programmed with up to 16 channels,
so Zone 1 channels are numbered 1-16, Zone 2 chan-
nels 17-32, and so on as shown below. For example,
Zone 1/Channel 16 is selected by Channel 16, and
Zone 2/Channel 16 is selected by Channel 32.
Proceed as follows to select channels using this
mode:
1. Enable the direct Channel Select mode by pressing
the Channel Select option switch. The alias and
sequential number of the current channel are
alternately displayed.
sequential number of the current channel are
alternately displayed.
2. Select the desired channel using the Up/Down keys
or directly enter it using the 0-9 keys. If using the
0-9 keys, the radio attempts to display the entered
number after the 3rd digit is entered or approxi-
mately 2 seconds after the last key is pressed.
0-9 keys, the radio attempts to display the entered
number after the 3rd digit is entered or approxi-
mately 2 seconds after the last key is pressed.
3. To exit this mode and select the entered channel,
press the Channel Select switch again. This mode is
also exited automatically without changing the
channel after approximately 1 minute of no activity.
also exited automatically without changing the
channel after approximately 1 minute of no activity.
NOTE: The Channel Select function should probably
not be assigned to a number key because pressing that
key to select a channel then exits the select mode.
not be assigned to a number key because pressing that
key to select a channel then exits the select mode.
Other features of this mode are as follows:
•
When using the Up/Down keys, wrap-around to the
lowest zone/channel occurs after the last channel in
lowest zone/channel occurs after the last channel in
the highest programmed zone is displayed and vice
versa. For example, if Zone 1/Channel 5 is the
highest programmed channel, wrap-around occurs
after Zone 1/Channel 16 is displayed.
versa. For example, if Zone 1/Channel 5 is the
highest programmed channel, wrap-around occurs
after Zone 1/Channel 16 is displayed.
•
When an unprogrammed channel is displayed, the
sequential channel number and “Unprogramd” are
alternately displayed.
sequential channel number and “Unprogramd” are
alternately displayed.
•
If an invalid channel number is entered using the
0-9 keys, or the Channel Select option switch is
pressed with “Unprogramd” displayed, an error
tones sounds, “Invalid” is briefly displayed, and the
displayed channel does not change.
0-9 keys, or the Channel Select option switch is
pressed with “Unprogramd” displayed, an error
tones sounds, “Invalid” is briefly displayed, and the
displayed channel does not change.
3.5 SETTING SQUELCH CONTROL
This radio does not have a squelch control. The
squelch level is preset and usually does not require
readjustment. However, if the squelch level needs to
be changed on a conventional analog channel, it can be
changed using keypad programming if available (see
Section 5.16 on page 34).
readjustment. However, if the squelch level needs to
be changed on a conventional analog channel, it can be
changed using keypad programming if available (see
Section 5.16 on page 34).
3.6 TRANSMIT DISABLE
Transmitting can be disabled on each conven-
tional, SMARTNET, SmartZone, and P25 Trunked
channel so that the channel is monitor-only. When
transmitting is attempted on a receive-only channel,
“Rx Only” is displayed and an error tone sounds.
channel so that the channel is monitor-only. When
transmitting is attempted on a receive-only channel,
“Rx Only” is displayed and an error tone sounds.
3.7 RADIO OPERATING MODES
3.7.1 GENERAL
Each selectable channel can be programmed for
the conventional (analog or Project 25 digital),
SMARTNET/SmartZone, or Project 25 digital trunked
operating mode. For example, Zone 1/Channel 1 could
be a conventional channel, Zone 1/Channel 2 a
SMARTNET channel, and so on. More information on
these modes follows.
SMARTNET/SmartZone, or Project 25 digital trunked
operating mode. For example, Zone 1/Channel 1 could
be a conventional channel, Zone 1/Channel 2 a
SMARTNET channel, and so on. More information on
these modes follows.
Seq. Ch. No.
Zone
Channel
1
1
1
16
16
17
2
1
23
16
33
3
1