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Yaesu FT-757GX User Manual

Yaesu FT-757GX
40 pages
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Yaesu FT-757GX Specifications

General IconGeneral
ModesSSB, CW, AM, FM
Receiver TypeSuperheterodyne
Antenna Impedance50 ohms
Supply Voltage13.8 V DC
TypeHF Transceiver
Power Output100 watts
Receiver Sensitivity0.25 µV for 10 dB S/N
Selectivity4.2 kHz (-60 dB)

Summary

General Description of FT-757GX

Specifications

Transmitter Specifications

Details of the transmitter's frequency range, power output, and emission types.

Receiver Specifications

Details of the receiver's frequency range, circuit type, and sensitivity.

General Specifications

Specifies voltage, power consumption, dimensions, and weight of the transceiver.

Optional Accessories

Lists supplied and optional accessories for the transceiver.

Semiconductor Component List

Component Details

Lists integrated circuits, transistors, diodes, LEDs, and other electronic components.

Front Panel Controls

Basic Operational Controls

Describes POWER, MIC, PHONES, MODE, and AF RF controls.

Tuning and Adjustment Controls

Explains tuning knob, SHIFT, WIDTH, SQL, NB, MIC DRIVE, and BAND/CH/STEP controls.

Memory and Scanning Functions

Details PMS (Programmable Memory Scan) and VFO/Memory selection keys.

Special Function and Monitoring Buttons

Explains D LOCK, Meter/Display, CLAR, and METER/RF AMP push buttons.

Signal Enhancement and Transmit Switches

Describes ATT, PROC, NB, AGC-F, MOX, and VOX buttons for signal and transmit control.

Rear Panel Controls and Connectors

Power and Data Interfaces

Details DC power input and BAND DATA connectors for accessories.

Transmission and VOX Controls

Explains LINEAR switch, DELAY, ANTI TRIP, and VOX GAIN controls.

Signal Adjustment and Monitoring Controls

Describes COMP LEVEL, AM CAR, MARKER, REMOTE, PTT, ANT, PATCH/AFSK, FWD-REV, FWD SET, EXT ALC.

Audio and Accessory Outputs/Ground

Explains AF OUT, EXT SPEAKER, KEY, RF OUT, +8V, +13.5V, and GND terminals.

Installation Procedures

Preliminary Inspection and Base Station Setup

Guides on preliminary inspection, base station setup, and AC power supply.

Power Supply Details and Notices

Shows power supply visuals and lists warranty-voiding abuses.

Grounding, Location, and Antenna Connection

Guidance on grounding, placement, and antenna connection.

Mobile Installation

Installation Procedures and Cautions

Details mobile installation steps and critical safety cautions.

Interconnections

Linear Amplifier and Accessory Connections

Guides on connecting linear amplifiers and related accessories.

Circuit Diagrams

Provides circuit diagrams for accessories like the FRB-757.

Plug Connections

Audio and Keyer Plug Types

Illustrates connections for headphone, speaker, keyer, and RCA plugs.

Microphones

Desktop and Handheld Microphone Wiring

Details the wiring and connections for MD-1B8 and MH-1B8 microphones.

Operation

Initial Power Up and Tuning

Guides on initial power-up, tuning, and display indications.

Receiver Noise and Interference Reduction

Techniques for reducing noise and interference during reception.

Mode-Specific Reception

Explains CW and AM reception modes and adjustments.

FM and RTTY Reception

Details FM reception and RTTY operation using SSB modes.

Transmitter Operation

SWR Measurement and Power Calibration

Guides on checking SWR and calibrating the power meter.

Mode-Specific Transmission Procedures

Details SSB, VOX, Speech Processor, and CW transmission adjustments.

FM Transmission and Cautions

Explains FM transmission and cautions for high-duty transmission.

AM and RTTY Transmission

Guides on AM transmission and RTTY operation.

Multi-Frequency Operation and Memory Functions

Clarifier and Split-Frequency Modes

Explains clarifier and split-frequency operation for advanced tuning.

VFO, Memory, and PMS Operation

Guides on VFO, memory storage, and programmable memory scan.

Memory Management and Operational Examples

Demonstrates storing frequencies, recalling memories, and using VFO/memory transfers.

FT-757GX HF Frequency Spectrum Chart

Frequency Band Classifications

Classifies frequency bands into broadcast, military, RX only, and ham bands.

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