Furuno FSV-84 - Manual (Page 60)

3-12
TRACKBALL SPEED:
Choose the speed of trackball movement (inside menu window only).
(SLOW, NORMAL, FAST)
HULL UNIT STROKE:
Choose the stroke length of the hull unit. (800 mm, 1100 mm).
TD TYPE:
Choose the type of transducer used: DOME.
3.5 CONE Board Setting in the Processor Unit
Adjust the potentiometers on the CONE Board in the processor unit, referring to the table
shown below.
Location
No. Name Resistance
value
Function Adjustment
R118 ALARM
VOLUME
10 k Ω Adjust the volume of
audio alarm. CW: Large
CCW: Small
R119 ES2_OFFSET 1 k Ω Adjust ES2 signal offset. CW: Noise decrease
CCW: Noise increase
R167 ES2_GAIN 10 k Ω Adjust ES2 signal gain. CW: Gain increase
CCW: Gain decrease
R168 ES1_OFFSET 1 k Ω Adjust ES1 signal offset. CW: Noise decrease
CCW: Noise increase
R209 ES1_GAIN 10 k Ω Adjust ES1 signal gain. CW: Gain increase
CCW: Gain decrease
CW: Clockwise, CCW: Counterclockwise
3.5.1 Adjustment of signal level (echo sounder connected)
Adjusts the output level of the echo sounder on the CONE Board as below.
1. Choose an echo sounder display (ES1 or ES2) from the menu.
2. For ES1, adjust R168 to suppress noise, and then adjust R209 so that the picture
condition is similar to that of connected echo sounder connected to the FSV-84.
3. For ES 2, adjust R119 to suppress noise, and then adjust R167 so that the picture
condition is similar to that of echo sounder connected to the FSV-84.
3.5.2 Adjusting the volume of the audio alarm
The volume of the audio alarm cannot be adjusted from the control unit. If necessary, adjust
R118 on the CONE Board to choose appropriate volume.