System Menu - Furuno GP-39 Operator's Manual

7. OTHER FUNCTIONS
Display
Select the position format.
• xx.xxx': Shows L/L position with no seconds.
• xx'xx.x": Displays L/L position with seconds.
• LC TD: Loran C TDs
Loran C
When choosing LC TD at Display, do the following:
1) Press the ENT/CNTR key.
2) Select the GRI code, and press the ENT/CNTR key.
3) Press  and ENT/CNTR key.
4) Select the pair of slave station, and press the ENT/CNTR key.
TD1, TD2
Enter TD offsets to refine Loran C position accuracy.
7.6

System Menu

In the System menu, you can customize various display settings, for example, time
and date formats, etc.
Key Beep
This item turns the key beep on or off.
Units
The Units item lets you select the unit of measurement for range, speed and distance,
from the units shown below.
7-5