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Yaesu FC-757AT User Manual

Yaesu FC-757AT
28 pages
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Yaesu FC-757AT Specifications

General IconGeneral
Frequency Range1.8 - 30 MHz
Power Handling150 W
Tuning MethodAutomatic
Impedance50 Ohms
Power Supply13.8 V DC
Dimensions220 x 100 x 230 mm
Input VSWR1.5:1 or less
Tuning timeApprox. 3 seconds

Summary

SPECIFICATIONS

MATCHING SECTION

Details frequency ranges and impedance matching capabilities.

POWER REQUIREMENTS

Specifies voltage, current, and size/weight parameters.

FRONT PANEL CONTROLS

POWER SWITCH

Controls the unit's power and its interaction with the transceiver.

METER SWITCHES

Selects meter functions for SWR or power output.

SENSITIVITY CONTROL

Adjusts auto-tune system's SWR threshold sensitivity.

BAND CONTROLS

Manual band selection and control mode switching.

INTERCONNECTIONS

OPERATION

INITIAL SETUP AND CONTROL MODES

Pre-operation checks and automatic vs. manual control setup.

AUTO-TUNE MATCHING PROCEDURE

Step-by-step guide for automatic impedance matching.

MANUAL MATCHING PROCEDURE

Steps for manual impedance adjustment and receiving-only matching.

FAS-1-4R REMOTE ANTENNA SELECTOR

ALIGNMENT

CM COUPLER BALANCE

Procedure to balance the CM coupler for accurate readings.

PO METER CALIBRATION

Calibrating the power output meter indication.

SWR METER CALIBRATION

Calibrating the SWR meter for accurate measurements.

VARIABLE CAPACITOR PRESETTING

Setting capacitor sensor positions for CPU control.

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