How To Turn Power On/Off - Furuno GP-39 Operator's Manual

1. OPERATIONAL OVERVIEW
How to detach the hard cover from the unit
Put your thumbs on the front of the cover and forefingers at its back edge, and pull it
toward you.
1.2

How to Turn Power On/Off

1. Press the
with the last-used display mode. Your equipment takes about 90 seconds to find
its position. The equipment shows receiver status indication at the top left-hand
corner in most display modes. The table below shows these indications and their
meanings.
2D
3D
W2D
W3D
DOP*
SIM
- - -
*: DOP (Dilution of Precision) is the index of position accuracy, and it is the distri-
bution pattern of satellites used in position fixing. Generally, the smaller the figure
the better the position accuracy. (HDOP: Horizontal DOP, PDOP: Position DOP)
2. To turn off the power, press and hold down the
The time remaining until the power is turned off is counted down on the display.
Note: The screen refreshes slower in low ambient temperature.
1-2
Press here with thumb and pull cover forward.
/BRILL key to turn on the power. The unit beeps and then starts up
Indication
2D GPS position fixed
3D GPS position fixed
2D WAAS position fixed
3D WAAS position fixed
2D: HDOP larger than 4
3D: PDOP larger than 6
Simulation mode
Not fixed
Status indications
Meaning
/BRILL key for three seconds.