Japan Radio Co. JFE-680, Инструкция по эксплуатации

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1 1. I . Intro ntroduc duction tion
1. 1.1 F 1 Func unctio tion n
The JFE-680 Echo-Sounder consists of a transducer mounted on the bottom The JFE-680 Echo-Sounder consists of a transducer mounted on the bottom of the ship's of the ship's
hull and a main unit hull and a main unit that displays information on the depth and formation of that displays information on the depth and formation of the seabed. the seabed.
This information is gained by using ultrasonic waves sent from This information is gained by using ultrasonic waves sent from the transducer that are then the transducer that are then
reflected off the reflected off the sea bottom sea bottom and picked and picked up again up again by the by the transducer. transducer. The JFE-680 The JFE-680 also has also has
the following functions: the following functions:
(1) depth alarm, (2) power fail alarm, (3) output of depth data, (4) output of depth and power
(1) depth alarm, (2) power fail alarm, (3) output of depth data, (4) output of depth and power
fail alarms.
fail alarms.
1.2 Feature 1.2 Feature
The JFE-680 features the following: The JFE-680 features the following:
• Tree display modes; standard, history, and docking. • Tree display modes; standard, history, and docking.
• Depth data for
• Depth data for last 24 hours in last 24 hours in memory to play back the memory to play back the past sounding informatio past sounding information. n.
• Dual frequency mode and two • Dual frequency mode and two transducers are available in option. (*requires an optional transducers are available in option. (*requires an optional
equipment) equipment)
Conform Conform s t s t o t o t he IM he IM O S O S tandard tandard
• When the • When the depth becomes shallowe depth becomes shallower than a r than a previously set value, a depth alarm previously set value, a depth alarm is issued by is issued by
buzzer and LCD display. buzzer and LCD display.
• When power is cut to the main unit, a power fail alarm is issued by buzzer and LCD display. • When power is cut to the main unit, a power fail alarm is issued by buzzer and LCD display.
• Contact signals can be output
• Contact signals can be output for both depth and power for both depth and power fail alarms. fail alarms.
• Data on depths can be output. • Data on depths can be output.
Digital De Digital De pth pth Display Display
• No need • No need for time-consuming reading of depths using a scale against the for time-consuming reading of depths using a scale against the profile of the profile of the
seabed seabed on the on the paper! paper! The curre The current depth nt depth can be can be seen at seen at a glan a glance. ce.
Self-Diagnostic Functions Self-Diagnostic Functions
• Self-diagnostic functions can be selected from a • Self-diagnostic functions can be selected from a menu, improving ease of maintenance. menu, improving ease of maintenance.
1. 1. Introduction Introduction 1 1