Furuno GP-3500 - Manual (Page 15)

1. BASIC OPERATION
1-5
Position-fixing indications and their meanings
Indication Meaning Indication Meaning
2D
2D (dimension)
GPS position fix
D2D*
2D (dimension)
DGPS position fix
2D
3D (dimension)
GPS position fix
D3D*
3D (dimension)
DGPS position fix
W2D
2D (dimension)
WAAS position fix
DEMO Simulation mode
W3D
3D (dimension)
WAAS position fix
*: The internal beacon receiver board (option) is necessary.
Note: If the password window appears, follow the procedure in paragraph 9.8.1.
Turning the power off
Press the [POWER] key.
After the turning power off, attach the LCD cover to prevent it.