Furuno GP-1850F GPS Receiver User Manual


 
1-6
Observing the picture
1. Press the [POWER] key to turn on the display unit.
2. Press the [SNDR] key to select the sounder display.
3. Press the soft key labeled "MODE/FREQ" to display the following message.
MODE/FREQ
AUTO CRUISING
AUTO FISHING
MANUAL
Figure 1-8 MODE FREQ selection screen
4. Select "MANUAL" by the arrow key.
5. Press the soft key labeled "RETURN".
6. Press the soft key labeled "GAIN" to display the following message.
GAIN
HIGH
LOW
50
Figure 1-9 GAIN adjustment screen
7. Confirm that Gain is set at 50 (midpoint).
8. Press the soft key labeled "RETURN".
9. Press the soft key labeled "RANGE".
10.Select "15ft" by the [] key.
11.Note the depth to the seabed.