Table of Contents
Advertisement
A
Airmar Technology Corporation
C
Cable
490 and 957
19
490 and 961/962
18
490 and ship's power
Cautions
installation
2, 5, 6, 13
interference with 490
tampering with the 490
transducer
5, 7, 22
troubleshooting the 490
17
wiring the 490
E
Echo sounder
components of system
definition of
31
installation. See Installation, 490
28
serial number
22
setup options
specifications
29
STAT indicator light
22
turning off
21
turning on
wiring
17
Electrical power, requirements
F
Fairing block, definition of
G
GEM Electronics Company
I
Installation
490
cautions
2, 13, 14, 17, 22
connecting to 957
connecting to 961/962
connecting to ship's power
electrical power requirements
general considerations
mounting dimensions
mounting location
overview
13
safety considerations
troubleshooting
wiring
17
transducer
5, 7, 22
cautions
cavitation
8
hull thickness limits
noise problems
490 INSTALLATION MANUAL, Revision B2
Index
7
17
13
14
22
1, 14
16, 21
17
31
7
19
18
17
17
2
16
15
13
23
8
8
Page 33
Advertisement
Table of Contents
