2
1.1.3 Stacking units
You may stack two network sounders by using the optional piggyback mount kit (Type
OP02-84, Code No. 002-186-170) as below.
Note:
Change the tap setting on the lower unit before installing the upper unit. See
paragraph 2.2 for how to change tap setting.
Contents of piggyback mount kit
Name Type
Code
No.
Qty
Remarks
Jointing Fixture (LWR) 02-142-1131
100-300-211
1
Jointing Fixture (UPR) 02-142-1132
100-300-221
1
Hexagon Head Bolt B
M5 x 12
000-803-147
2
Pan Head Screw B
M4 x 8
000-881-445
15
FURUNO
NETWORK SOUNDER ETR-30N
HOST NAME
TX/STBY POWER
ON
OFF
I
O
0
1
2
3
4
5
6
8
7
9
DEFAULT
FURUNO
NETWORK SOUNDER ETR-30N
HOST NAME
TX/STBY POWER
ON
OFF
I
O
0
1
2
3
4
5
6
8
7
9
DEFAULT
#
#
#
#
#
#
#
#
#
#
#
#
#
# = Screw location (15)
#
#
Jointing Fixture (UPR)
Hexagon
Head
Bolt B
Pan Head Screw B
Jointing Fixture (LWR)
SIDE VIEW
Remove mounting feet.
How to assemble the piggyback mount kit
1.2 Transducer
The performance of this sounder is directly related to the mounting location of the
transducer. When selecting a mounting location keep in mind the following points:
•
Select a location not influenced by air bubbles and engine noise.
•
As a general rule the position between 1/3 and 1/2 of ship’s length from the bow is
usually a good location.
•
The face of the transducer must be facing the sea bottom under normal cruising
conditions.
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