HanRongDa HRD-747 User Manual

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HanRongDa HRD-747
Operation Guidelines for Full-Band Radio Model:
FM/MW/SW/AIR/CB/VHF (UHF) /UBD/WX/
HAM WIDE FREQUENCE SCANNER Radio

HanRongDa HRD-747 Specifications

General

Brand	HanRongDa
Model	HRD-747
Category	Radio
Language	English

Summary

Packing List

Overview of HRD-747 Wide Frequency Radio

Description of Product Buttons

Description of Display Symbols on the Display Screen

Operation Cautions

Instructions for Button Functions and Operations

Install the Cell

Instructions on how to correctly install the BL5C lithium battery and power on the device.

[POWER] Power-ON/OFF/ Sleep Time Settings

Details on powering the radio on/off and setting sleep timer functions.

[Lock] Set the LOCK, Unlock/Mute Operation

Instructions for locking/unlocking buttons and setting the mute mode.

External DC5V Input Power Supply Operation

Guide on connecting the Type-C USB cable for charging the radio.

3.5mm Headphone Jack Operation

Guidance on using the 3.5mm headphone jack for listening.

Volume [VOL+/-]

Instructions for adjusting the volume using VOL+ and VOL- buttons.

[MEMO]: Manually Storage/ Pick Up Station Operation

Methods for manually storing and retrieving radio stations.

Methods to Pick Up Stations

Techniques for picking up saved radio stations automatically.

[TUN]: Time Setting / Select Station Button

Operations for setting time and selecting stations using TUN buttons.

[BAND]: Band Switch/Automatic Search and Storage/ Alarm Clock On/Off Operation

Functions for switching bands, auto search, storage, and alarm clock.

Operations for Step/Delete [STEP]

Procedures for setting step values and deleting stored stations.

Operation for Menu/Clock Settings

Instructions for accessing menus and adjusting clock settings.

Rotary [Flying Shuttle] Button

How to use the rotary flying shuttle for frequency adjustment and selection.

Mode Selection [MODE]

Instructions for selecting different operating modes and meter bands.

Preview Method for Prestore Radio Station

Method for previewing pre-stored radio stations.

Temperature Set

How to switch between Fahrenheit and Celsius temperature display.

Operation for SET in Each Band

MW (Medium Wave) Receiving State

Settings for the Medium Wave (MW) receiving mode.

ATT Adjustment on MW

Procedure for adjusting the ATT (attenuation) settings for MW reception.

FM Receiving State

Configuration settings for the FM receiving mode.

ATT Adjustment on FM

Procedure for adjusting the ATT (attenuation) settings for FM reception.

De-emphasis Adjustment

Settings for de-emphasis in FM reception (50us or 75us).

FM Stereo/ Mono Adjustment

How to select between stereo and mono reception in FM mode.

SW Receiving State

Configuration settings for the Short Wave (SW) receiving mode.

ATT Adjustment on SW

Procedure for adjusting the ATT (attenuation) settings for SW reception.

Enter USB/ LSB

Instructions for entering Upper Sideband (USB) and Lower Sideband (LSB) modes.

AIR (Airband Reception) Status

Settings and status for Airband (AIR) reception.

ATT Adjustment on AIR

Procedure for adjusting the ATT (attenuation) settings for AIR reception.

CB (City Band Reception) Status

Settings and status for City Band (CB) reception.

VHF(UHF) State

Settings and status for VHF/UHF reception.

UBD (Customized Receiving) Status

Settings and status for User-Defined Band (UBD) reception.

WX (North American Weather Band)

Information and operation for North American weather band (WX) reception.

About the Orange Backlight

Use of Antennas

Main Technical Parameters

Cautions