Technical information
: company secret
transaction : up to agency
: open
Issue Number 02BSCN0002
Date June 24, 2002
Model JFE-585
Equipment Echo sounder
Section in charge Navigation & Fishing
Electronics Group
Order of priority
□Ａ：reform immediately
□Ｂ：Improve with regular check or visiting
□Ｃ：Improve with customer’s request
□Ｄ：Information and news
1. Subject
Prevent the damage of Transducer.
2. Contents
2.1 Apply to
All of JFE-585 (frequency: 50kHz) shipped before June 6, 2002.
Serial No. : HD5009 to 50028, 54476 to 54515, 54576 to 54635
, 55236 to 55285, 59919, 59920, 59924 to 59932
2.2 Detail
Echo sounder JFE-585 would seldom damage the transducer in case
of cable extension.
To prevent the damage, we would modify the software.
The modified software version is CO-R1.02SP0. (current version :
CO-R1.02)
To modify the software, change the ROM IC on TX/RX unit
CML-596-5.
The new ROM version CO-R1.02SP0 (our product code 7DEBS3003)
is in stock.
NOTE: to prevent confusion, please return the changed old version
ROM.
2.3 Attached sheet
Procedure sheet to change ROM IC (total 3 pages)
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