3. ADJUSTMENT
3-7
3.5
NMEA Version Setting
Change the jumper block setting in the processor unit according to NMEA version to
output.
Location of jumper block J22 and J25
3.6
Adjusting Echo Sounder Video
When using the E/S interface to connect an echo sounder, adjust the video signal with
the potentiometer R142 on the MAIN Board in the processor unit.
Location of volume register R142
1. Rotate R142 so that the line on it locates at the center position
2. Set the SOUNDER MENU as below to appear noises on the screen.
GAIN: 10, CLUTTER: 0
3. On the SOUNDER MENU, set E/S INT REJECT to ON.
4. Set GAIN to 0.
5. Adjust R142 so that noises disappear.
6. Return the GAIN setting to 10.
7. After setting GAIN to 10, set CLUTTER to 10.
8. Adjust R142 so that noises disappear.
Jumper
NMEA Ver1.5
CIF or NMEA Ver2.0
Port
J22
1-2 (Default setting)
2-3
NMEA1/CIF1
J25
1-2 (Default setting)
2-3
NMEA2/CIF2
10P7049A
J22J25
MAIN Board
10P7049A
R142
MAIN Board
Summary of Contents for CSH-8LMARK-2
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