JRC JHS-800S User Manual (English)

Questions and Answers:

J
Joseph Smith MDAug 18, 2025
Why is there noise from the JRC Cordless Telephone speaker, but it cannot receive calls?
- J
  Julie WilliamsAug 18, 2025
  If you are getting noise from the speaker but cannot receive any calls on your JRC Cordless Telephone, the issue might stem from several causes: * Antenna damage: Inspect and repair or replace the antenna. * A break or short circuit in the antenna cable: Inspect and repair or replace the antenna cable. * Faulty contact in antenna connectors: Inspect and repair or replace the antenna connectors. * Malfunction in the receiver: Inspect or repair the receiver.
J
Jordan NelsonAug 21, 2025
What to do if nothing appears on the JRC JHS-800S screen?
- T
  Tracy GordonAug 21, 2025
  If nothing appears on the screen of your JRC Cordless Telephone, consider the following potential causes and solutions: * Abnormal power supply voltage: Check the power supply voltage. * Main unit's power supply fuse is blown: Replace the blown fuse. * Defective power supply switch, display circuit, or control circuit: Inspect or replace the defective components. * Defective controller cable: Inspect or replace the controller cable.
B
Brian ParrishAug 23, 2025
Why is reception sensitivity poor on my JRC JHS-800S Cordless Telephone?
- M
  Michael MendozaAug 23, 2025
  Poor reception sensitivity on your JRC Cordless Telephone can be due to: * Antenna damage: Inspect and repair or replace the antenna. * Break or short circuit of antenna cable: Inspect and repair or replace the antenna cable. * Faulty contact in antenna connectors: Inspect and repair or replace the antenna connectors.
C
Claire AtkinsAug 26, 2025
What to do if turning SQ does not suppress noise on JRC Cordless Telephone?
- D
  diana38Aug 26, 2025
  If turning the SQ control on your JRC Cordless Telephone does not suppress noise, it could be due to: * Malfunction in the SQ control: Inspect or replace the SQ control. * Malfunction in the receiver: Inspect or repair the receiver.
J
Julia BurtonAug 28, 2025
How to fix no sound from the JRC Cordless Telephone speaker even when squelch is opened without reception?
- F
  fbushAug 28, 2025
  If there is no sound from the speaker of your JRC Cordless Telephone, even when the squelch is opened without reception, consider the following possible causes: * Malfunction in the speaker: Inspect or replace the speaker. * Defective SQ control circuit or harness: Inspect or replace the SQ control circuit or harness. * Malfunction in the receiver circuit: Inspect the receiver circuit.
C
carrie52Aug 31, 2025
Why is the reception sensitivity poor on my JRC JHS-800S?
- B
  Brandon ClarkAug 31, 2025
  Poor reception sensitivity on your JRC Cordless Telephone could be due to several reasons: * **Antenna damage:** Inspect and repair the antenna if damaged. * **Antenna cable issues:** Check for any breaks or short circuits in the antenna cable and repair as needed. * **Faulty antenna connectors:** Ensure the antenna connectors are properly connected and repair if there's faulty contact.
D
Deanna SmithSep 2, 2025
What to do if nothing appears on the screen of my JRC JHS-800S?
- N
  natalie00Sep 2, 2025
  If nothing appears on the screen of your JRC Cordless Telephone, consider the following: * **Abnormal power supply voltage:** Check and correct the power supply voltage. * **Blown fuse:** Replace the blown power supply fuse. * **Defective components:** Inspect or replace the defective power supply switch, display circuit, or control circuit. * **Defective controller cable:** Inspect or replace the defective controller cable.
J
Jerry OconnorSep 4, 2025
Why is there noise from the speaker but my JRC JHS-800S can't receive calls?
- A
  Amanda NguyenSep 4, 2025
  If your JRC Cordless Telephone speaker outputs noise but cannot receive calls, potential causes include: * **Antenna damage:** Inspect and repair the antenna. * **Antenna cable issues:** Check for breaks or short circuits in the antenna cable and repair them. * **Faulty antenna connectors:** Inspect and repair any faulty contacts in the antenna connectors. * **Receiver malfunction:** Inspect and repair the receiver.
J
julia06Sep 7, 2025
What to do if turning SQL does not suppress noise on my JRC JHS-800S?
- C
  Craig HardySep 7, 2025
  If turning the SQL control on your JRC Cordless Telephone doesn't suppress noise, it could be due to: * A malfunction in the SQL control itself. Inspect and repair the SQL control. * A malfunction in the receiver. Inspect and repair the receiver.
A
Angela AndersonSep 9, 2025
What to do if there is no sound from the speaker of my JRC JHS-800S Cordless Telephone?
- H
  hcastanedaSep 10, 2025
  If there is no sound from the speaker of your JRC Cordless Telephone, even when the squelch is open without reception, it may be due to: * A malfunction in the speaker itself. Inspect or replace the speaker. * A defective SQL control circuit or harness. Inspect or replace the SQL control circuit or harness. * A malfunction in the receiver circuit. Inspect or repair the receiver circuit.

JRC JHS-800S Specifications

General

Number of Handsets	1
Caller ID	Yes
Answering Machine	No
Display	LCD
Range	Up to 300 meters (open field)
Battery Life	Up to 10 hours talk time, 100 hours standby

Summary

Preface

Safety Precautions

Cautions Against High Voltage

Warnings and precautions regarding high voltage hazards.

Precautions for Rescuing Victims from Electrocution

Steps to take when rescuing someone from an electric shock.

First Aid

Important notes and procedures for administering first aid.

Flow of Cardiopulmonary Resuscitation (CPR)

Specific Procedures for Cardiopulmonary Resuscitation (CPR)

Detailed steps for performing CPR, including checks and actions.

Before Operation

Concerning the Symbols

Explanation of warning and caution symbols used in the manual.

About Warning Labels

Information on warning labels found on the main unit and power supply.

Handling Precaution

General Handling Precautions

Essential warnings and precautions for safe operation and maintenance.

Distress Alerts

Sending a Distress Alert

Procedure for initiating a distress alert transmission.

Terminating a Distress Alert

Steps to cancel an accidental or false distress alert.

Receiving a Distress Alert

How to handle an incoming distress alert and respond.

Equipment Exterior

1. EQUIPMENT OVERVIEW

1.1 Functions

Overview of the marine VHF radiotelephone's capabilities and features.

1.2 Features

Key features and compliance standards of the equipment.

1.3 Basic Configuration

Lists the main components and optional equipment for basic setup.

1.4 External Dimensions

Detailed dimensions for major units like the radiotelephone and handset.

1.5 Block Diagram

Illustrates the system configuration and interconnection of components.

2. NAMES AND FUNCTIONS

2.1 Main Unit (JHS-800S) and Controller (NCM-980)

Identifies and describes the physical parts and buttons of the main unit and controller.

2.2 Main Displays

Explains the different display screens: status, menu, and DSC messages.

3. INSTALLATION

CAUTION

Warning regarding professional installation requirements and knowledge.

4. OPERATION

4.1 Operation Overview

General guide to operating the equipment via control panel or handset.

4.2 Basic Communication Procedure

Covers fundamental operations like turning power on/off and basic communication.

4.3 Basic DSC Operations

Procedures for initiating and receiving various types of DSC calls.

4.4 Emergency Calls (DSC Safety/ Urgency/ Distress Calls)

Detailed instructions for making safety, urgency, and distress calls using DSC.

4.5 DSC Call Log

How to view received and transmitted DSC messages and call logs.

4.6 Other Features

Explains additional functions like AIS notification, voice playback, PA, and intercom.

5. SETTINGS & REGISTRATIONS

5.1 Date and Time Setting

Manual setting of the equipment's date and time.

5.2 Own Ship Position and Time Setting

Manual input for ship's position and time, or configuring external sources.

5.3 Settings for Each Control Panel

Adjustments for LCD visibility, sound settings, and key assignments.

5.4 Making Contact Lists

Creating and managing lists for coast stations, ship stations, and group calls.

5.5 Advanced Settings for DSC

Configuration of advanced DSC features like automatic acknowledgement and alarms.

5.6 Other Settings

Settings for AIS function, printer properties, and controller start behavior.

6. MAINTENANCE & INSPECTION

6.1 General Maintenance & Inspection

Regular inspections to ensure optimal performance and identify potential issues.

6.2 Self Diagnosis Inspection

Performing self-diagnostic tests for various equipment circuits.

6.3 System Alarm Indication

How system alarms are displayed and interpreted.

6.4 Checking the Setup Condition

Verifying system information, software versions, and certification marks.

6.5 DSC AF Inspection

Checking DSC AF modulation frequencies for periodic inspections.

6.6 Troubleshooting

Procedures for locating and diagnosing malfunctions.

7. AFTER-SALES SERVICE

8. DISPOSAL

9. SPECIFICATIONS

9.1 JHS-800S Marine VHF Radiotelephone

General technical specifications for the main radiotelephone unit.

9.2 Channel Assignment Tables

Lists of ITU, USA, Canada, and IWW channels with their frequencies and notes.

9.3 Options

Specifications for optional equipment like controllers, power supplies, and printers.

9.4 Peripheral Interfaces

Details on interface standards and protocols for GPS, AIS, RMS, BAM, and DIM.

9.5 Software License Information

Information regarding the GNU General Public License (GPL) for the software.

10. OPTIONS OPERATION

10.1 Handset Connection Box (NQE-1845/1846/1847B)

Instructions for connecting and operating different types of handset boxes.

10.2 AC/DC Power Supply (NBD-965)

Operation and safety precautions for the AC/DC power supply unit.

10.3 Printer (RP-D10)

Operating instructions, safety warnings, and paper loading for the printer.

10.4 Remote Control from ECDIS or Marine Radar

Procedures for controlling the radiotelephone from ECDIS or Marine radar systems.

Related product manuals

JRC JHS-32B

152 pages

JRC JHS-800S User Manual

Table of Contents