15
Operation
UHF CB Radio
UNIDEN UH820SX-NB/UH820SX-2NB
Transmit Power Select
The UH820SX-NB has two transmit
power levels: Hi: 2.0 Watt and Lo: 0.5 Watt.
To change your transmit power level:
1. Press
(menu)
.
2. Press
(ch)
or or
(vol)
or
to change the setting to
Hi
or
Lo
.
3. Press & hold
(menu)
to save and exit.
Boost Feature
Use the Boost feature by pressing
(BOOST)
instead of
(PTT)
to transmit at
maximum transmit power (2W) regardless of the transmit hi/lo setting.
NOTE
Transmitting on a higher level will use more Battery power but
will enable you to transmit further.
Scanning
The UH820SX-NB has two types of scanning; Open
Scanning (OS) and Group Scanning (GS), OS Scan
searches all the channels and frequencies in its
memory continuously. GS Scan is similar to OS scan
but has the added ability to monitor the priority
channel every 1.5 seconds.
Scanning allows you to search for active
channels programmed in the OS or GS memory.
To initiate scanning,
1. Assuming the unit is on CH01 when switched on.
2. Press
(scan)
and scanning starts.
SCAN
appears during scanning.
TX Power Low
TX Power High
TX
RX
GS
SCAN
M
BCL
VOX
HI
PRI
C
D
FULL
M
Power On/Off
M
Volume
M
Squelch
M
Selecting a Channel
TX
M
To Transmit
and Receive - 1
RX
M
To Transmit and
Receive - 2
To Operate In Duplex
Mode (Repeaters) - 1
To Operate In Duplex
Mode (Repeaters) - 2
HI
Transmit Power - 1
HI
Transmit Power - 2
GS
M
Scanning
RX
SCAN
M
Open Scan (OS) Mode
GS
Group Scan (GS) Mode
RX
M
Monitor
TX
RX
GS
SCAN
M
BCL
VOX
HI
PRI
C
D
FULL
M
Power On/Off
M
Volume
M
Squelch
M
Selecting a Channel
TX
M
To Transmit
and Receive - 1
RX
M
To Transmit and
Receive - 2
To Operate In Duplex
Mode (Repeaters) - 1
To Operate In Duplex
Mode (Repeaters) - 2
HI
Transmit Power - 1
HI
Transmit Power - 2
GS
M
Scanning
RX
SCAN
M
Open Scan (OS) Mode
GS
Group Scan (GS) Mode
RX
M
Monitor
TX
RX
GS
SCAN
M
BCL
VOX
HI
PRI
C
D
FULL
M
Power On/Off
M
Volume
M
Squelch
M
Selecting a Channel
TX
M
To Transmit
and Receive - 1
RX
M
To Transmit and
Receive - 2
To Operate In Duplex
Mode (Repeaters) - 1
To Operate In Duplex
Mode (Repeaters) - 2
HI
Transmit Power - 1
HI
Transmit Power - 2
GS
M
Scanning
RX
SCAN
M
Open Scan (OS) Mode
GS
Group Scan (GS) Mode
RX
M
Monitor