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JRC JFV-700 Installation Manual: Output Of Sea Bottom Depth; Output Of Cursor Position Water Depth

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2.9 Connecting the External Equipment
In order to connect the external equipment, the JFV-700/HP equips with the interface
conformed to the JRC or NMEA0183 format.
Output format is determined by input format. When input signal is absent, output is
generated in the NMEA0183 format.
Example: External input signal in the JRC format -> Output in the JRC format.
Whenever an external equipment is connected, the interface mounting parts (7ZZBS006)
must be provided.
In this case, the clamp filter must be attached, too. Fix the clamp filter by turning the
NMEA signal cable on it once.

2.9.1 Output of Sea Bottom Depth

Connecting the external equipment allows the JFV-130HP to generate output of sea bot-
tom depth values to the navigation equipment such as the color plotter. When reading
three or more outputs in parallel, you need to connect the buffer (separately available
NQA-602DC).
The sentence code are "$SDDBT" and "$SDDPT".
Connecting procedure: See Figure 2.4.
Connect the J907 ‡B (OUT) to "NMEA +in" of the NMEA input from the external
equipment.
Then, connect the J907 ‡C (GND) to "NMEA -in" of the NMEA input from the external
equipment.
2.9.2 Output of Cursor Position Water Depth
Connecting the external equipment also enables to use the cursor position water depth
data for the fishing equipment such as squid fishing gear. When reading three or more
pieces of data in parallel, you need to connect the buffer (separately available NQA-
602DC).
When generating output of the cursor position water depth, select "Display" of the cursor.
The sentence code is "$PJRCU,FF".
Connecting procedure: See Figure 2.4.
Connect the J907 ‡B (OUT) to "NMEA +in" of the NMEA input from the external
equipment.
Then, connect the J907 ‡C (GND) to "NMEA -in" of the NMEA input from the external
equipment.
External input signal is not present or in the NMEA0183 format →
Output in the NMEA0183 format.
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Clamp
filter
‚P‚"•@¹°ÌÞÙ‚ðŠª‚-
A single turn on the clamp filter
29

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