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Yaesu FT-757GX II User Manual

Yaesu FT-757GX II
39 pages
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Yaesu FT-757GX II Specifications

General IconGeneral
ModesSSB, CW, AM, FM
Receiver TypeDouble conversion superheterodyne
Antenna Impedance50 ohms
Power Supply13.8 VDC
TypeHF Transceiver
Voltage13.8 V DC
Frequency Range160-10 meters
Power Output100 watts
RF Power Output100 watts
Receiver Sensitivity0.25 μV (10 dB S/N, SSB, CW)
Image Rejection70 dB
IF Rejection70 dB

Summary

GENERAL DESCRIPTION

SPECIFICATIONS

TRANSMITTER SPECIFICATIONS

Detailed technical data for the transmitter.

RECEIVER SPECIFICATIONS

Detailed technical data for the receiver.

FRONT PANEL CONTROLS

POWER, MICROPHONE, PHONES, MIC/DRIVE, AF/RF

Controls for power, microphone, audio, and RF adjustments.

Tuning Knob, NOTCH/SHIFT, SQL/NB, BAND/CH, MODE, SCAN, VFO/Memory Keys

Frequency tuning, interference reduction, squelch, and band/mode controls.

DCLOCK, Meter & Display, CLAR, Pushbutton Switches

Dial lock, meter, clarifier, and RF accessory switches.

REAR PANEL CONTROLS & CONNECTORS

DC Power, BAND DATA, LINEAR, DELAY

Power input, data signals, linear amp control, and delay.

AUDIO, ANTENNA, ACCESSORY JACKS

Jacks for audio output, antenna, accessory power, and keyer.

RF OUT, +8V, +13.5V, GND

Accessory power outputs and ground connection.

TOP COVER (KEYING) CONTROLS

BREAK-IN, KEYER MAN/AUTO, SPEED

Controls for CW break-in, keyer mode, and speed.

INSTALLATION

PRELIMINARY INSPECTION & BASE STATION SETUP

Initial checks and base station setup procedures.

ANTENNA SYSTEM

Connecting and optimizing the antenna system.

MOBILE INSTALLATION

DC Power Connections, Mobile Antenna, Mounting

Vehicle power, antenna setup, and bracket installation.

INTERCONNECTIONS

Linear Amplifiers

Connecting and controlling linear amplifiers.

OPERATION

Initial Power Up, Tuning, and Memory Backup

Powering on, tuning, and managing memory backup.

RECEPTION MODES AND INTERFERENCE REDUCTION

SSB Reception, RF Adjustments, IF Filters

Optimizing SSB reception and reducing interference.

Noise Blanker, Squelch, CW, AM, FM, RTTY/Packet

Noise reduction, squelch, and specific reception modes.

TRANSMITTER OPERATION

SWR Checking, Measurement, and Power Calibration

Procedures for SWR checking, measurement, and power calibration.

SSB, CW, FM, AM Transmission & Speech Processor

Settings for various transmission modes and speech processing.

MEMORY OPERATION

VFO/Memory Management and Split Frequency

VFO selection, memory storage, and split frequency operation.

Memory Recall and Scanning Features

Accessing, modifying, and scanning memory channels.

COMPUTER CONTROL (CAT SYSTEM)

CAT System Commands and Charts

CAT system commands, timing, and status updates.

INSTRUCTION CODE CHART

STATUS UPDATE CHART

TEST PROGRAM LISTING

RECEIVER FRONT END PROTECTION

WORLD TIME CONVERSION CHART

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