Selecting A Channel; To Transmit And Receive - Uniden UH820SX-NB Owner's Manual

Operation

Selecting A Channel

FULL
Press (ch) or
TX
HI
M
GS
C
If you press and hold (ch)
D
channel numbers will scroll rapidly.
NOTE

To Transmit And Receive

Squelch
The radio uses the UHF-CB Channels.
For your reference a list of the available
channels and corresponding frequencies
M
is printed on p.27 - p.29. (Channels 22
and 23 are for telemetry and
telecommand applications, channels 61,
62 and 63 are for future use. TX is
inhibited on these channels.)
To Transmit and
Receive - 2
The maximum RF transmit power of
UH820SX-NB is 2W. (see Transmit Power Select, p.15.)
1. Before you transmit, listen for activity on the selected channel. M
2. When the channel is clear;
- Press (PTT) to transmit at the selected hi/lo transmit power,
or
Press (BOOST) to transmit at the maximum transmit power, regardless of
-
Transmit Power - 1
the hi/lo transmit power setting.
TX appears on the LCD during transmit. If transmit
HI
power is on low setting then HI appears when (BOOST)
is pressed.
Hold the radio with microphone approximately
5 cm in front of your mouth with the antenna at
approximately 45° angle away from your head.
Speak in a clear, normal conversational voice.
Open Scan (OS) Mode
4. When you have finished speaking, release (PTT) or (BOOST) and listen
for a response then TX disappears on the LCD. RX appears while
M
receiving a signal.
UNIDEN UH820SX-NB/UH820SX-2NB
Squelch
to select the desired channel.
RX
BCL
VOX
PRI
M
SCAN
Selecting a Channel
To Transmit and
Receive - 2
M
To Operate In Duplex
19
Mode (Repeaters) - 1
RX
Transmit Power - 1
20
HI
Transmit Power - 2
Open Scan (OS) Mode
Group Scan (GS) Mode
RX
SCAN
M
Power On/Off
M
or the
(PTT)
M
RX
(BOOST)
HI
RX
GS
SCAN
13
Selecting a Channel
Volume
M
M
FULL
TX RX
HI BCL
VOX
M PRI
To Transmit
GS SCAN
and Receive - 1
C
D
TX
To Operate In Duplex
Mode (Repeaters) - 1
M
Squelch
To Operate In Duplex
Mode (Repeaters) - 2
M
Transmit Power - 2
HI
Scanning
To Transmit and
Receive - 2
M
GS
RX
M
Group Scan (GS) Mode
Monitor
RX
M
GS
Transmit Power - 1
UHF CB Radio