Owner's Manual
8 GPS 158 Owner’s Manual
: Sets when the beeper sounds�
: Sets the speed lter�
: Sets the system language�
: Displays the Unit ID and other information�
: Sets the position values to the selected format�
: Sets the map datum to the selected format�
: Sets the heading value to the selected format�
: Sets the values to the selected format�
: Sets the depth values to the selected format�
Sets the serial data format and transfer mode� Contact your Garmin authorized
dealer to use transfer mode, which is for software updates�
GPRMC, GPRMB, GPGGA, GPGSA, GPGSV, GPGLL, GPBOD, GPBWC, GPVTG,
GPXTE, PGRME, PGRMZ, PGRMM, GPRTE, GPWPL, GPAPB
DPT, DBT, MTW, VHW, WPL
: Sets an alarm to sound at a specied time of day�
: Sets an alarm to sound when the voltage is below the voltage entered�
: Sets an alarm to sound when the device is using DGPS�
: Sets an alarm to sound when the GPS accuracy drops below the
specied threshold�
: Sets an alarm to sound when your vessel drifts farther than the
specied distance while at anchor�
: Sets an alarm to sound when you arrive at your destination�
: Sets an alarm to sound when your boat is farther off course than the
specied distance�