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491 INSTALLATION MANUAL Revision A PAGE 31
Index
A
Airmar Technology Corporation 4
C
Cable
491 and 961/962 14
491 and ship’s power 14
491 to 957/958/6000i 16
Cautions
installation 2, 3, 11
interference with 491 11
tampering with the 491 11
transducer 3, 5, 19
troubleshooting the 491 19
wiring the 491 14, 17
E
Echo sounder
components of system 1, 12
definition of 29
installation. See Installation, 491
serial number 26
setup options 19
specifications 27
STAT indicator light 18
turning off 19
turning on 18
wiring 14
Electrical power, requirements 14
F
Fairing block, definition of 29
I
Installation
491
cautions 2, 11, 14, 17, 19
connecting to 957/958/6000i 16
connecting to 961/962 14
connecting to ship’s power 14
electrical power requirements 14
general considerations 2
mounting dimensions 13
mounting location 13