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(3) DGPS 
 
7. Press 
 "DGPS". 
8.  Press    to select "OFF" or the alarm trigger state, and press 
 . 
ON → OFF: An alarm will sound when DGPS positioning switches to GPS positioning. 
OFF → ON: An alarm will sound when GPS positioning switches to DGPS positioning. 
ON  ↔ OFF An alarm will sound when DGPS positioning switches to GPS positioning, or 
when GPS positioning switches to DGPS positioning. 
 
(4) HDOP 
 
9. Press 
 "HDOP". 
10.  Press    to select "OFF" or "SET", and press 
 . 
11.  Enter the HDOP value with the numeric keypad, and press 
 . 
An alarm sounds when the GPS positioning HDOP value exceeds the set value. 
 
(5) TEMP 
 
12. Press 
 "TEMP". 
13.  Press    to select "OFF" or "RANGE", and press 
 . 
14.  Enter the water temperature with the numeric keypad, and press 
 . 
OVER: An alarm will sound when the water temperature exceeds the set value. 
UNDER: An alarm will sound when the water temperature falls below the set value. 
IN RANGE: An alarm will sound when the water temperature is within the set range. 
OUT RANGE: An alarm will sound when the water temperature is outside the set range. 
Water temperature data must be obtained from externally connected equipment for the water 
temperature alarm to be used. 
 
(6) DEPTH 
 
15. Press 
 "DEPTH". 
16.  Press    to select "OFF" or "RANGE", and press 
 . 
17.  Enter the water depth with the numeric keypad, and press 
 . 
OVER: An alarm will sound when the water depth exceeds the set value. 
UNDER: An alarm will sound when the water depth falls below the set value. 
IN RANGE: An alarm will sound when the water depth is within the set range. 
OUT RANGE: An alarm will sound when the water depth is outside the set range. 
Water depth data must be obtained from externally connected equipment for the water depth 
alarm to be used. 
 
(7) TRIP 
 
18. Press 
 "TRIP". 
19.  Press    to select "OFF" or "SET", and press 
 . 
20.  Use the numeric keypad to enter the trip distance, and press 
 . 
An alarm will sound if the set trip distance value is exceeded. The trip distance is calculated 
using the total distance over ground from Navigation Assistance 1 screen.