JRC JLN-900 User Manual

INSTALLATION ANDINSTALLATION AND
INSTRUCTION MANUALINSTRUCTION MANUAL
JLNJLN
-
900900
SPEED LOGSPEED LOG
ISO 9001, ISO 14001 Certified
MAR. 2020 Edition 1CODE No.7ZPNA3210
Not use the asbestos
For further information,contact:
URL Head office : http://www.jrc.co.jp/eng/
Marine Service Department
1-7-32 Tatsumi, Koto-ku, Tokyo 135-0053, Japan
: tmsc@jrc.co.jp
:
+81-50-3786-9201
e
-
mail
One
-
call

JRC JLN-900 Specifications

General

Brand	JRC
Model	JLN-900
Category	Measuring Instruments
Language	English

Summary

Safety Cautions

Cautions for High Voltage

Warns about high voltages used in electronic apparatus and potential dangers.

Precautions for Rescue of Victim of Electric Shock

Provides steps to take when rescuing someone from an electric shock.

JLN-900 Technical Description

Principle of operation

Explains how the JLN-900 system measures speed using acoustic correlation.

Transducer location requirements

Specifies criteria for selecting the optimal transducer position on the hull.

JLN-900 Installation of NJC-80 Sig. Processor

Selecting location

Criteria for choosing a suitable installation location for the Sig.Processor.

Electrical connections

Details the wiring requirements for connecting the Sig.Processor.

JLN-900 IEC 61162/NMEA 0183 User Guide

Standard IEC 61162-1 / NMEA 0183

Defines standard NMEA messages and their structure.

JLN-900 Proprietary Messages

Explains JRC's specific messages for control and status.

JLN-900 Calibration and Sea Acceptance Test

SOG Transducer angle calibration

Procedure for aligning the transducer angle for SOG calibration.

Speed Calibration (SOG)

Method for calibrating SOG speed with correction factors.

JLN-900 system drawings

Components JLN-900 SPEED LOG

Lists standard and optional components of the JLN-900 system.

JLN-900 SPEED LOG CONNECTION DIAGRAM

Illustrates the overall wiring and connections of the system.