Garmin GPSMAP 176 Owner's Manual page 9

To remove the antenna:
1. Remove the external power cable from the connector
on the back of the GPSMAP 176/176C.
2. Rotate the antenna to approximately a seven o'clock
position. The alignment notches in the casing must
line up with the notches on the antenna.
3. Pull the antenna away from the GPSMAP 176/176C.
GPSMAP 176/176C Owner's Manual
Alignment Notches
G S > U B
ETTING TARTED NIT ASICS
5