Table of Contents
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To Customers
Thank you very much for using our VHF/UHF transceiver. This radio of modern design
is reasonable structure with stable functions. It is designed to meet customer's needs
for the high quality with easy operation and perfect capability.
We believe you are pleased with the finished shape and the reasonable price.
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Table of Contents
Related Manuals for Firstcom FC-438
Summarization of Contents
Cautions and Safety
General Safety Precautions
Important safety guidelines to follow before operating the transceiver.
Checking Equipment
Supplied Accessories Identification
Identification of all accessories included in the transceiver package.
Battery Pack Management
Charging The Battery Pack
Detailed instructions for charging the battery pack, including cautions.
Maintenance and Installation
Routine Maintenance Procedures
Methods for cleaning and maintaining the transceiver's exterior and parts.
Battery Pack Installation/Removal
Steps to attach and detach the battery pack from the transceiver.
Accessory Installation
Antenna Installation/Removal
Guide for screwing and unscrewing the antenna to the transceiver.
Belt Clip and Speaker/Microphone Installation
Instructions for attaching the belt clip and connecting speaker/microphone accessories.
Getting Acquainted
Introduction to Transceiver Components
Overview of the transceiver's parts, including antenna, display, and controls.
Power Switch and Volume Control
Explanation of how to turn the transceiver on/off and adjust audio volume.
Transceiver Controls
LED Indicator and Speaker/Microphone Jack
Description of the LED indicator status and the speaker/microphone connection port.
Keypad Functions Overview
Details on the function of the keypad and its directional/selection keys.
Basic Operation
Power On/Off and Volume Adjustment
How to turn the transceiver on/off and adjust the volume level using the power knob.
Squelch Level Setting
Procedure to set the squelch level to minimize background noise.
Basic Operation Functions
Frequency Selection Methods
Methods for increasing or decreasing the operating frequency.
Transmitting and Receiving Guide
Instructions on how to transmit using the PTT button and receive signals.
Menu Setting Introduction
Understanding the Menu System
Explanation of what the menu is and how to navigate through its options.
Menu Item List and Settings
A list of menu items with their corresponding functions and available settings.
Menu Operation Guide
Automatic Power Off (APO) Configuration
Configuration of the automatic power-off feature to conserve battery.
Channel Grouping (BANK) Setup
How to organize stored channels into different groups (banks).
Menu Operation Details
Battery Save and Busy Channel Lockout
Settings for battery saving and preventing transmission on busy channels.
Keypad Tone and Voltage Display Options
Options for enabling keypad tones and displaying real-time battery voltage.
Advanced Menu Features
Monitor Signal and Backlight Control
Features for monitoring signals and controlling the LCD/keypad backlight.
Lock Mode and Message Editing
How to lock buttons and edit custom messages for display.
Channel Management Features
Channel Name Display and Editing
Settings for displaying and editing channel names.
Repeater Offset Function Configuration
Configuration for repeater offset frequency to enable duplex communication.
Security and Display Options
Open Message Display Modes
Options for customizing what message is displayed upon power-on.
Password Protection Setup
Steps to set up and manage password protection for the transceiver.
Scan and Transmission Settings
Warning Tone and Scan Modes
Settings for end-of-transmission tones and different scan operation modes.
Side Tone, Time-Out Timer, TX STOP
Configuration of side tone elimination, transmission time limits, and transmit inhibit.
VOX and Bandwidth Settings
VOX Functionality Explanation
How to enable and configure the Voice Operated Exchange (VOX) feature.
VOX Delay and Sensitivity Adjustment
Adjusting VOX delay time and sensitivity levels for optimal voice activation.
Frequency Stepping and Squelch
Wide/Narrow Band and Squelch Settings
Selecting the operating band width and setting the squelch level.
Frequency Stepping and Offset Direction
Adjusting frequency step size and setting the offset direction for repeaters.
CTCSS/DCS Tone Usage
CTCSS/DCS Tone Usage Guide
How to use CTCSS/DCS tones for selective communication and privacy.
Setting CTCSS/DCS Frequencies
Procedure for selecting and setting CTCSS/DCS codes for transmission and reception.
Memory Channel Management
Storing Channels into Memory
Steps to store frequencies and settings into memory channels.
Memory Channel Mode Operation
How to enter and navigate the memory channel mode to select stored frequencies.
Memory Channel Operations
Deleting Memory Channels Process
Process for removing channels from memory.
Naming Memory Channels Guide
Instructions for assigning custom names to memory channels.
Memory and Display Settings
Channel Name Display Modes
Options for displaying channel names or frequencies.
Channel Name Only Display Setting
Setting the transceiver to display only the channel number.
Memory Initialization Procedure
How to reset all memory channels to their default state.
Scan Mode Selection
Selecting Scan Types
Choosing between Time-operated, Carrier-operated, or Search scan modes.
VFO Scanning Procedure
How to scan all frequencies within the selected band in VFO mode.
Scan Operation
Memory Channel Scanning Process
Process for scanning through stored memory channels.
Skipping Memory Channels Guide
Instructions for setting channels to be skipped during scanning.
Additional Functions Overview
Keypad Lock and Lamp Function
Enabling keypad lock to prevent accidental operations and activating the LCD/keypad illumination.
FM Radio Operation and Storage
Steps to activate the FM radio, adjust volume, and store FM channels.
CTCSS/DCS Reference Charts
CTCSS Standard Frequency Chart
Reference table mapping CTCSS codes to standard frequencies.
DCS Standard Frequency Chart
Reference table mapping DCS codes to standard frequencies.
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