Furuno FSV-24 - Manual (Page 60)

3-12
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 10 k
Ω
Adjusting the volume of
audio alarm.
CW: Large
CCW: Small
R119 ES2_OFF 1 k
Ω
Adjusting E/S2 signal
offset.
CW: Noise decrease
CCW: Noise increase
R167 ES_2GAIN 10 k
Ω
Adjusting E/S2 signal gain. CW: Gain increase
CCW: Gain decrease
R168 ES1_OFF 1 k
Ω
Adjust E/S1 signal offset. CW: Noise decrease
CCW: Noise increase
R209 ES1_GAIN 10 k
Ω
Adjust E/S1 signal gain. CW: Gain increase
CCW: Gain decrease
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. Select an echo sounder display (ES1 or ES2) from the menu.
2. For ES 1, 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-24.
3. For E/S 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-24.
3.5.2 Adjusting the volume of audio alarm
The audio alarm volume cannot be adjusted from the control unit. If necessary,
adjust R118 on the CONE Board to choose desired volume.