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Icom SM-10 User Manual

Icom SM-10
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Icom SM-10 Specifications

General IconGeneral
BrandIcom
ModelSM-10
CategoryStereo Equalizer
LanguageEnglish

Summary

Introduction to the SM-10 Microphone

SM-10 Microphone Features

Graphic Equalizer Amplifier

Four individual amplifiers adjust transmit audio for different applications and frequencies, allowing emphasis on high or low frequencies.

High-Quality Compressor Amplifier

Ensures constant transmit output power regardless of voice level fluctuations, with three selectable compression levels.

Uni-Directional Microphone Element

Utilizes a uni-directional microphone element for a high audio-to-noise ratio, effectively suppressing background noise.

Level Meter and Output Control

Features a VU meter for monitoring output level and a continuous control for adjusting the output level.

Up/Down Function Switches

Convenient switches for easy frequency shifts, allowing quick switching between UP/DOWN frequencies.

SM-10 Microphone Specifications

General Specifications

Details current drain, dimensions (230mm W x 110mm D x 30mm H), and weight (1.9kg).

Microphone Circuit Details

Covers microphone type (uni-directional electret condenser), semiconductors, output impedance (100Ω), output level (0-30mV), and compression levels.

Equalizer Circuit Details

Specifies semiconductor count (ICs), signal-to-noise ratio (80dB), distortion (0.05%), and equalizer stages (4 stages, ±12dB).

Control Functions and Operation

Graphic Equalizer and Output Controls

Adjusts equalizer frequencies (250, 600, 1200, 2400Hz) and output signal level for optimal audio characteristics.

Compressor and Switch Functions

Activates compressor/equalizer circuits and selects compression levels (HIGH, MED, LOW) via switches.

Transmission and Indicators

Covers PTT/Lock switches for transmission, power indicator LED, and output level meter.

Frequency Selection and Microphone

Features UP/DOWN switches for frequency shifts and describes the uni-directional microphone element.