Icom IC-12E - User Manual

Rugged construction with rubber gaskets for moisture resistance.

Rechargeable battery pack that easily slides on/off with a quick-release lock.

Internal power module for stable and continuous high power output.

Stores operating frequency, duplex, offset, and tone information for convenience.

Details the controls and connectors on the top surface of the transceiver.

Jack for connecting external 12-15V DC power sources for mobile operation.

Connects the flexible or external antenna; requires TNC connector.

Jack for connecting an 8 ohm external speaker or earphones.

Two-color LED indicating transmit (red) or receive (green) status.

Jack for connecting external microphones or headsets.

Selects between VXO and RIT functions for frequency tuning.

Activates the backlight for the frequency display.

Turns the transceiver ON and adjusts the audio volume level.

Sets the squelch threshold level to mute background noise.

Adjusts receive/transmit frequencies up/down by 5kHz when VXO/RIT is selected.

Selects between HIGH (1W) and LOW (0.1W) output power.

Explains the controls and indicators on the front and sides of the unit.

Selects secondary functions of other keys.

Transmits a 1750Hz tone-burst for repeater access.

Activates transmission when pressed.

Button to release and remove the battery pack.

Explains the indicators (T, S, L, ▽) and segments of the frequency display.

Instructions for installing and charging the rechargeable battery pack.

Guide for connecting the flexible or external antenna to the transceiver.

Instructions for attaching the belt clip and hand strap for portable use.

Procedure for turning on the transceiver and setting up for listening.

Steps for transmitting, including using the PTT switch and microphone.

Explanation of primary and secondary functions accessed via the keypad.

Overview of the two operating modes and their respective functions.

Instructions on how to set the operating frequency using digit keys.

Guide to adjusting the frequency increment step for tuning.

Details on setting offset frequencies and duplex modes for transmission/reception.

Procedure for storing frequencies, modes, and other settings into memory channels.

How to recall stored information from memory channels.

Using the dedicated call channel for quick access to a stored frequency.

Checking the priority channel status while operating on another frequency.

Instructions for memory and programmed scanning modes.

How to prevent accidental changes to frequency or functions.

Enabling or disabling the audible beep for key presses.

Using DTMF tones for repeater access or auto-patch.

Setting tone frequencies for repeater access.

Using the 1750Hz tone burst for repeater access.

Guidelines for cleaning the transceiver using mild soap and water.

Troubleshooting common issues like unlocked PLL and CPU reset.

Diagram and component identification for the main circuit board.

Diagram and component identification for the Phase-Locked Loop unit.

Diagram and component identification for the tone unit.

Solutions for power not turning on, checking battery and connections.

Troubleshooting steps for audio output issues, checking controls and mode.

Diagnosing low sensitivity, checking antenna and feedline.

Resolving power output issues, checking switch position and battery.

Solutions for no modulation when using an external microphone.

Troubleshooting communication issues, checking duplex modes and repeater settings.

Resolving issues with programmed scan, checking memory and step rates.

Solutions for when all key functions are disabled, checking lock or call functions.

General specifications including frequency coverage, impedance, and dimensions.

Transmitter specifications covering output power, modulation, and emissions.

Receiver specifications including sensitivity, squelch, and audio output.