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Pearce Simpson ST901 User Manual

Pearce Simpson ST901
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PEARCE-SIMPSON
®
ST901
40-CHANNEL AM/SSB
CB
RADIO
Owner's Manual
HATADI ELECTRONICS CORPORATION PTY. LTD.
SYDNEY
AUSTRALIA
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Pearce Simpson ST901 Specifications

General IconGeneral
BrandPearce Simpson
ModelST901
CategoryRadio
LanguageEnglish

Summary

Specifications

Transmitter Section Specifications

Details about RF power output, modulation capability, frequency range, and spurious signal suppression.

Receiver Section Specifications

Details about receiver sensitivity, image rejection, squelch sensitivity, and selectivity parameters.

Description of the CB Radio

Receiver Overview

Explains the dual-conversion superheterodyne receiver with PLL and ANL.

Transmitter Overview

Details the crystal-controlled transmitter using high-efficiency transistors.

Power Supply Compatibility

Notes the transceiver's readiness for 12V DC negative ground systems.

Operating Controls and Features

Power On/Off Switch

Explains how to turn the transceiver on and off using the volume control.

Blanker & Noise Limiter

Describes the function of the noise limiter for reducing interference.

PA/CB Selector

Explains how to switch between CB and Public Address modes.

RF Gain Control

Details how to adjust receiver sensitivity for clear reception.

Squelch Control

Explains how the squelch control silences background noise in the receiver.

Clarifier Function

Describes the clarifier for fine-tuning stations off-frequency for optimal reception.

Receiver Volume Control

Explains adjustment of the listening volume for the receiver.

Channel Selector

Details how the channel selector sets transmit and receive frequencies simultaneously.

Mode Control Switch

Explains selection of AM, USB, or LSB operating modes.

Microphone Jack

Describes the microphone connector and its wiring for transmit functionality.

External Speaker Jack

Details the recommended plug and impedance for the external speaker jack.

Signal Strength Level Meter

Explains the function of the S/RF meter for indicating signal strength.

S/TX Power Level Meter

Explains the S/TX meter's indication of antenna RF power during transmission.

TX Mode LED Indicator

Describes the TX mode LED indicator that lights up during transmission.

Transceiver Installation Guide

Mounting Instructions

Instructions on how to mount the transceiver using the provided bracket and screws.

DC Power Connection

Guidance on connecting the power cord to the vehicle's electrical system.

Ground System Information

Explains negative and positive ground systems in vehicles and how to identify them.

Negative Ground System Connection

Specific instructions for connecting the transceiver to a negative ground system.

Antenna Connection

Instructions for connecting the CB antenna using a PL-259 type connector.

Microphone Bracket Attachment

Instructions for attaching the microphone bracket to a convenient location.

Microphone Connection

Details on plugging the microphone's 4-pin connector into the transceiver's socket.

Ignition Interference Mitigation

Discusses potential ignition interference and methods to mitigate it.

Receiving Operation

Step-by-step guide on how to set up and operate the receiver for listening.

Transmitting Operation

Instructions on how to transmit, use the microphone, and understand transmission etiquette.

Public Address System Usage

Instructions for using the transceiver as a public address amplifier with an external speaker.

Available Citizen Band Frequencies

Transceiver Servicing Information

Block Diagram