UNIDEN UH078SX-NB - Handheld UHF-CB Transceiver - Waterproof JIS7 User Guide

Oct 23, 2026

User guide for the Uniden UH078SX-NB handheld UHF-CB transceiver, designed to meet the JIS7 waterproof standard when correctly assembled and with properly maintained rubber seals and caps fitted. Covers lithium-ion battery pack warnings, user license information for Australia and New Zealand, product features (NB radio, channel capacity, selectable TX power, AVS, CTCSS/DCS, scanning and priority), included package items, optional accessories, and the main controls and indicators. Provides operating steps for transmitting and receiving, scanning modes, programming, and advanced functions.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages32

Reading Time1 h 21 min

AccessFree to download

Introduction

Features

Included in your Package

Optional Accessories

Controls and Indicators

Getting Started

Operation

Power On/Off

Volume

Key Beep On/Off

Roger Beep

Selecting a Channel

Transmitting a Call Tone

Squelch

To Transmit and Receive

Using a Repeater Channel

To Operate UH078SX-NB in Duplex Mode

Scanning

Open Scan (OS) Mode

Group Scan (GS) Mode

Programming Scan Channels Priority Channel

Choosing a Priority Channel Drop-Out Delay

Manual Programming

Deleting a Programmed receive Channel

Advanced Features

CTCSS and DCS

DCS/CTCSS Scan Operation

VOX Power Save Back Lighting Keypad Lock

Busy Channel Lock-out (BCL)

Scramble On/Off

UHF-CB Channel Guidelines

UH078SX-NB Handheld UHF-CB Transceiver For more exciting new products please visit our website: [Australia: www.uniden.com.au](Australia: www.uniden.com.au) [New Zealand: www.uniden.co.nz](New Zealand: www.uniden.co.nz) WATERPROOF: JIS7 Uniden’s UH078SX-NB radio is designed to meet the water proofing standard of JIS7 . This Means: Being defined as having no ingress of water when immersed at 1 metre for 30 minutes. The UH078SX-NB will only meet this rating if fully assembled and all rubber seals and bungs are well maintained and correctly fitted. This means that the speaker microphone bung is inserted, and the battery pack and antenna are attached and securely fastened. LITHIUM ION BATTERY PACK WARNING • This equipment contains a Lithium Ion Battery Pack. • The Lithium Ion Battery Pack contained in this equipment may explode if disposed of in a fire. • Do not short-circuit the Battery Pack. • Do not charge the Lithium Ion Battery Pack used in this equipment in any charger other than the one designed to charge this Battery Pack. Using another charger may damage the Battery Pack or cause the Battery Pack to explode. • Lithium Ion batteries must be disposed of properly. NOTE USER LICENSE INFORMATION The citizen band radio service is licenced in Australia by ACMA Radio-communications (Citizen Band Radio Stations) Class Licence and in New Zealand by MED General User Licence for Citizen Band Radio and operation is subject to conditions contained in those licenses. UNIDEN UH078SX-NB 2 Handheld UHF-CB Transceiver Contents | Introduction
Features
Included in your Package
Optional Accessories
Controls and Indicators
Getting Started
Connect Drop-In Charger with AC adaptor Attaching the Antenna
Attaching the Battery Pack
Attaching the Beltclip
Charging the Battery Pack
Battery Level Display
Low Battery Alert
SPKR/MIC Jack Cap
Connecting the SPKR/MIC
Mounting the hang-up Bracket
Operation
Power On/Off
Volume
Key Beep On/Off
Roger Beep
Selecting a Channel
Transmitting a Call Tone
Squelch
To Transmit and Receive
Using a Repeater Channel
To Operate UH078SX-NB in Duplex Mode
Scanning
Open Scan (OS) Mode
Group Scan (GS) Mode
Programming Scan Channels Priority Channel
Choosing a Priority Channel Drop-Out Delay
60 Receive Channels
Manual Programming
Deleting a Programmed receive Channel Advanced Features
CTCSS (Continuous Tone Coded Squelch System) DCS (Digital Coded Squelch)
DCS/CTCSS Scan Operation
VOX Power Save Back Lighting Keypad Lock
Busy Channel Lock-out (BCL)
Scramble On/Off
CTCSS Codes and Frequencies
DSC Codes Table
UHF-CB Channel Guidelines
UHF-CB Channels and Frequencies
Warranty | 4 5
5 6
7 7
8 8
9
10
11
11
11
12
13
13
13
14
14
15
15
16
17
18
18
18
19
20
20
20
20
21
21
21
22
22
22
22
23
23
23
24
24
24
25
26
27
28
30 | | --- | --- | UNIDEN UH078SX-NB 3 Handheld UHF-CB Transceiver Introduction The UH078SX-NB is a JIS7 Waterproof, portable two-way UHF-CB radio. It is compact, rugged and fits easily in your hand. This hand held UHF-CB radio will give you consistent, outstanding performance in virtually all conditions and situations. To ensure that you get the most from the UH078SX-NB features, please read this operating guide carefully before using the unit. FEATURES • Narrow Band (NB) Radio • Communicate with up to 77 Channels in the UHF-CB Band1 • 5W Max TX Power • 0.5W/1W/5W Switchable TX Power • 60 Programmable RX Channels • Built-in AVS Circuitry2 • 38 Built-in CTCSS codes & 104 additional DCS codes • 5 Call Tones • Backlit Keypad & LCD Display • Duplex Mode1 • Open and Group Scan • Priority Scan On/Off • Busy Channel Lockout Function • VOX Function • Headset Jack • Keypad Lock • Waterproof (

FAQs

What conditions are required for the UH078SX-NB to meet the JIS7 waterproof rating?

It must be fully assembled with correctly fitted and well-maintained rubber seals and bungs, including the speaker MIC bung, and the battery pack and antenna securely attached.

What lithium-ion battery safety warnings apply to this equipment?

The battery pack may explode if disposed of in a fire, must not be short-circuited, and must only be charged using the designed charger to avoid damage or explosion.

How do you perform scanning and priority channel functions on the UH078SX-NB?

The guide supports Open Scan (OS) and Group Scan (GS) modes, plus Priority Scan On/Off, including selecting a priority channel and configuring drop-out delay.

Oct 23, 2026

Upload by Well Done