74
15
TROUBLESHOOTING
15
18
16
17
1
7
4
10
2
8
13
5
11
3
9
14
6
12
Individual or Group ID cannot be set.
z The entered ID code is incorrect. The rst digit must be set to between ‘1’ and ‘9’ for an
Individual ID.
→ Enter a correct ID code. (p. 22)
“??” blinks instead of the position and time.
z 4 hours have passed since you manually entered the position.
z The GPS position is invalid.
→ Enter the position and time. (p. 23)
“No Position No Time” are displayed instead of the position and time.
z The built-in GPS antenna is obstructed, which interrupts the GPS signals from the
satellites.
→ Use the transceiver in a place where nothing interrupts the satellite signal.
z The position and time have not been manually entered.
→ Enter the position and time. (p. 23)