77
Troubleshooting
Use Edit to Setup Control Panel for VRI-iS / GPS Position (Continued)
ICON5 / ICONX Control Panel Setup-Edit Method (Continued)
12. Go to the GPS Setup screen.
Push
Menu
,
Setup
,
Constants
,
Position
, and
GPS Setup
to display the GPS Setup screen.
See Figure 77-1.
13. Set the Pivot Point GPS position:
(a) Select the
Pivot Point GPS Latitude
field
and enter the pivot point latitude on the nu-
meric keypad.
(b) Select the
Pivot Point GPS Longitude
field
and enter the pivot point longitude on the
numeric keypad.
14. Set the Distance to GPS (the distance from pivot
point to GPS tower box) including the plus and
minus tolerance.
(a) Select the
Length to GPS (feet)
field and
enter the length from the pivot point to the
GPS tower box. Do not enter the pivot length.
The default is 1320 ft (402.3 m), and the
range is 10 to 6554 ft (3.0 to 1997.6 m).
(b) Select the
field and enter the Plus
Tolerance for the length from pivot point to
GPS tower box. The Default is 50 ft (15.2 m)
and the range is 10 to 6554 ft (3.0 to 1997.6
m). A setting of 50 ft (15.2 m) or more is rec-
ommended to allow for variation in the GPS
signal if Wide Area Application Services
(WAAS) is unavailable.
(c) Select the
Radius -
field and enter the Minus
tolerance for the length from pivot point to
GPS tower box. The Default is 50 ft (15.2 m)
and the range is 10 to 6554 ft (3.0 to 1997.6
m). A setting of 50 ft (15.2 m) or more is rec-
ommended to allow for variation in the GPS
signal if WAAS is unavailable.
Set Runtime Fallback Position
To Setup the fallback position, do the following:
15. Push
Menu
,
Setup
,
Constants, Position
, and
push the
Position Loss Setup
button to display
the Position Loss Setup screen. See Figure 77-2.
16. Check the
Runtime Fallback Position
checkbox.
17. Select the
LRDU Pivot Speed
field and enter
the speed on the numeric keypad. The default is
15.56 ft/min.
18. Select the
Length to LRDU
field and enter the
length on the numeric keypad. The default is
1320 ft.
19. Continue with
“Install Sprinkler Valves” on page
in the
Installation Instruction
section.
1
2
3
4
5
Figure 77-1 1. Pivot Point GPS Latitude
2. Pivot Point GPS Longitude
3. Length to GPS
4.
5. Radius -
1
2
3
Figure 77-2 1. Runtime Fallback Position
2. LRDU Pivot Speed
3. Length to LRDU
Summary of Contents for VRI-iS
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