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Standard Horizon HX751 User Manual

Standard Horizon HX751
32 pages
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SERVICE MANUAL
Floating Marine Transceiver
HX751
EM032N97B
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Standard Horizon HX751 Specifications

General IconGeneral
TypeHandheld VHF Marine Transceiver
Waterproof RatingIPX7
ChannelsUSA, International
Output Power6W, 2.5W, 1W
BatteryLi-ion 1800mAh
DisplayLCD
GPSBuilt-in GPS
Battery LifeUp to 12 hours
Built-in FeaturesNOAA Weather Channels
Dimensions2.36" W x 5.24" H x 1.50" D (60 x 133 x 38 mm)

Summary

SERVICE MANUAL

Specifications

Block Diagram

Circuit Description

Receiver Signal Flow

Describes the path of received RF signals through the radio's components.

Transmitter Signal Flow

Describes the path of transmitted signals from input to antenna.

Alignment Procedures

TX Power Adjustment

Details output power settings for normal, high, and medium modes.

TX Power Adjustment (Low Power)

Details low power output adjustment for the transmitter.

MAIN Unit Circuit Diagram

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