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10. VIDEO SOUNDER OPERATION
10-22
10.14 SOUNDER SETUP Menu
The SOUNDER SETUP menu sets up the sounder section.
1. Press the [MENU] key to show the main menu.
2. Rotate the [ENTER] knob to choose SOUNDER and then push the [ENTER]
knob to show the SOUNDER menu.
3. Rotate the [ENTER] knob to choose SOUNDER SETUP and then push the
[ENTER] knob to show the SOUNDER SETUP menu.
TRANSMISSION Off
TRANSMISSION POWER Low
TRANSDUCER 600 W
50 KHz TVG 00
200 KHz TVG 00
50 kHz ECHO OFFSET +00
200 kHz ECHO OFFSET +00
50 kHz BOTTOM LEVEL +000
200 kHz BOTTOM LEVEL +000
SMOOTHING SM2
DEPTH INFORMATION Large
PLAYBACK SOUNDER IMAGE Off
ECHO SOUNDER SIMULATION Off
Sounder setup menu
TRANSMISSION
Turns TX power on/off.
Normally, “On” should be selected. To stop transmission, select “Off”.
TRANSMISSION POWER
Sets transmission power to High or Low.
Normally, select “High”. When the gain becomes too high in shallow waters,
select “Low”.
TRANSDUCER
Selects the transducer to use, 600 W or 1 kW.
CAUTIONCAUTION
Select the transducer properly.
If not, the transducer may be damaged.
TVG (50 KHz, 200 kHz)
TVG (Time Varied Gain) compensates for propagation attenuation of the
ultrasonic waves. It does this by equalizing echo presentation so that fish
schools of the same size appear in the same density in both shallow and deep
waters. In addition, it reduces surface noise. Note that if the TVG level is set too
high short range echoes may not be displayed.