Introduction
Features
3
Preventive
Maintenance
4
Troubleshooting
4
Controls / Connectors
5
Indicators
9
Included with Your UHF CB Transceiver
10
Optional Accessories
11
DIN-E Installation (UH7750 only)
12
Connecting the Microphone
14
Mounting the MIC Hanger
15
Operation
Turning on the Power
17
Setting the Volume
17
Setting the Manual Squelch
18
Setting the Auto Squelch
18
Monitor
19
Selecting
a
Channel
19
Programming the Instant Priority Channel
20
Recalling the Instant Channel
20
Transmitting
20
Call
Function
20
Dual
Watch
20
Using Repeater Channels
21
Operating the UHF CB Radio in Duplex Mode
22
Scanning
22
Open Scan (OS) Mode
23
Group Scan (GS) Mode
23
Priority
Watch
24
Add/Remove Channels from SCAN Memory
24
50 RX Channels
25
Manual
Programming
25
Deleting a programmed RX Channel frequency
25
Selecting the Call tone
26
Busy Channel Lockout
26
Roger
Beep
27
Beep
On/Off
27
CTCSS (Continuous Tone Coded Squelch System)
28
DCS (Digitally Coded Squelch)
28
Volume
Sync
29
Backlight
Colours
29
Backlight
Brightness
30
LCD Contrast for Remote SPK/MIC
30
UHF CB Channel Guidelines
31
CTCSS & DCS Code List
34
Warranty
38
Contents
2
UNIDEN UH7740NB UH7750NB
UHF CB Transceiver
