Furuno gp37 ユーザーズマニュアル

7. OTHER FUNCTIONS 

8.  For GP-37, press the [ENT] key with 

“CORRECTIONS DATA SET” selected. 
Enter the WAAS correction message 
number then press the [ENT] key. Use the 
setting “02” or “00”. 

Note: For GP-32, the default setting is 00. 
Adjustment is not required. 

9.  Press the [MENU] key twice to close the 

menu. 

 
 

1.  Press the [MENU] key once or twice to 

open the menu. 

2. Choose WAAS/DGPS. 

* = See note below.

STATION: Shows GOOD or NG.

DATA: Shows GOOD or NG.

SIG. S: Signal Strength. A figure
between 0 and 99 is shown. The higher
the figure the stronger the beacon signal.

SNR: Signal to Noise Ratio. A figure
between 1and 22 is shown. A figure under
18 means position will be inaccurate.
When your boat is in the service area of a
beacon station, SNR should be 21 or 22.
If not, the problem may lie with the
grounding, radar interference or generator
noise on own boat.

3.  Press the [ENT] key to show the mode 

options window.   

4.  Choose one of the following and then 

press the [ENT] key. 

INT BEACON: Position fix by internal 
DGPS beacon receiver (GP-37 only, 
cannot be selected on GP-32) 

EXT BEACON: Position fix by external 
DGPS beacon receiver (GP-32) 
AUTO: Position fix by DGPS, WAAS and 
GPS, in order of availability. 

Note: When connecting FURUNO 
external DGPS beacon receiver GR-80 to 
the GP-32, turn the GR-80’s remote 
function on to set up the beacon receiver 
with data set on the GP-32. 

5.  DGPS STATION is selected; press the 

[ENT] key.   

6.  Choose DGPS beacon station selection 

method: AUTO, MANUAL or LIST. 

AUTO: Automatically searches for best of 
five nearest DGPS beacon station. It first 
searches DGPS beacon stations from 
closest to furthest. If unsuccessful it 
searches stations by signal strength. This 
procedure is repeated until a suitable 
station is found. 
MANUAL: Manually enter DGPS beacon 
station specifications at RATE and FREQ, 
referring to a DGPS beacon station list. 
LIST: Lists five of the closest DGPS 
beacon stations, including 
user-programmed stations. 

7.  Press the [ENT] key. If you selected 

AUTO no further operation is required; go 
to step 8. If you selected MANUAL or LIST, 
do one of the following and then go to 
step 8. 

MANUAL 

a)  The cursor is selecting RATE. Press 

the [ENT] key. 

b)  Choose the transmission rate of the 

DGPS beacon station to be used, 
among 50, 100 or 200 bps. Press the 
[ENT] key. 

c)  The cursor is selecting FREQ. Press 

the [ENT] key. 

d)  Use the cursor pad to enter the 

transmission frequency of the DGPS 
beacon station to be used and then 
press the [ENT] key.