CRT SS 3900 N User Manual

OWNER’S MANUAL
40 CX AM - FM - SSB
VERSION CITIZEN BAND
®
2 POSSIBLE OPTIONS
EUROPE
and SUPERSTAR
®
are registered and protected brands.
®
DESCRIPTION
1. MICRO CONNECTOR 4 PIN
2. ON/OFF VOLUME CONTROL - SQUELCH CONTROL
This Knob controls the volume and power to the radio. To turn radio on, rotate the knob clockwise.
Turning the knob further will increase the volume of the receiver.
SQUELCH CONTROL
This switch is used to eliminate background noise being heard through the receiver, which can be
disturbing when no transmission is being heard through the received. To use this feature, turn the
switch fully counterclockwise and then turn clockwise slowly until the background noise is just eli-
minated. Further clockwise rotation will increase the threshold level, which a signal must overcome
in order to be heard. Only strong signal will be heard at a maximum clockwise setting.
3. MIC GAIN CONTROL - RF GAIN CONTROL
MIC GAIN CONTROL : Adjust the microphone gain in the transmit modes. This controls the
gain to the extent that full talk power is available several inches avay from the microphone.
RF GAIN CONTROL :
This control is used to reduce the gain of the RF amplifier under strong signal conditions.
4. BAND A.B.C.D.E.F.
Command not operante - for future option.
5. MODE AM-FM-BLU
Allows to select modulation mode.
6. CLARIFIEUR
Potentiometer of regulation of the quality of the reception in SSB.
7. CHANNEL SELECTOR
This control is used to select a desired transmit and receive channel.
2
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Downloaded from www.cbradio.nl

CRT SS 3900 N Specifications

General

Brand	CRT
Model	SS 3900 N
Category	Two-Way Radio
Language	English

Summary

Description of Front Panel Controls

Microphone Connector

Standard 4-pin connector for microphone input.

Audio and Squelch Controls

Volume/power knob and squelch adjustment for noise elimination.

Gain Controls

Adjusts microphone gain for transmit and RF gain for strong signals.

Mode and Channel Selection

Selects modulation mode (AM/FM/BLU) and radio channel.

Device Features and Indicators

Front Panel Meter and Controls

Includes signal strength meter, RF power, noise blanker, RB-ECOPTION, and +10/OFF.

Indicators and Displays

TX/RX LED, channel display, and automatic light sensor.

Connectivity Ports

DC power, external speaker, antenna, frequency counter, radiator, and CW key ports.

Optional Accessories

Frequency Meter Option

Details the CRT SS KF VI 6-digit frequency meter.

Echo Chamber Option

Information on the CRT SS KE echo chamber kit.

Warranty and Service Information

Conditions of Guarantee

Covers warranty period, exclusions, and required actions.

After-Sales Service Procedure

Instructions for returning the device for repair or service.