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2.11.2
Input of External S.Split Signal
Accepting external transmission trigger and reception signal, the JFV-130HP displays
S.Split image.
(1) Connecting procedure
Connect the JFV-130HP to J908. For the detail, see Figure 2.4 in page 31.
(2) Setup procedure
Set up JP1 and JP2/3 considering polarity of the trigger signal and fish finding signal,
respectively.
If you improperly identify the trigger signal polarity, the image transfer will be dis-
abled.
CD7 LED (for high frequency trigger) or CD8 LED (for low frequency trigger) flashes
depending the cycle of the trigger.
If image transfer is not available in spite of the flashing LED, reverse polarity
of JP1, then retry.
JP1 setup
Frequency
High frequency
Polarity of trig-
Jumper switch
ger
Minus trigger
Plus trigger
JP1, JP2 and JP3 positions
CPU
‚q‚u
‚i‚o
•@•@ ROM
Low frequency
Jumper switch
position
position
3 - 4
7 - 8
1 - 2
5 - 6
29
Refer to the section describing
the RV adjustment procedure.
Refer to the section describing
the JP1, JP2 and JP3 setup
procedure.
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