Garmin GPS 89 - Manual (Page 63)

BallCTY RepUceroent
GPS 89 uses 4 AA alkaline batteries to provide up to 12 hours
of operation in normal mode or 20 hours of operation in battery-
saver mode. Rechargeable Ni-Cad or lithium batteries may also be
used. Note that the battery level indicator is calibrated for alkaline
batteries, and Ni-Cad or lithium batteries will only show battery
life at partial scale.
To rtpbcc liattetks;
1. Remmte the battery cover by turning the thumb loop at the bottom
of the unit 1/4 turn counter-cfocliwise.
1 Remove used batteries and insert new batteries into positiDn.
The battery pole you can still see should match the symbol
marked on the case.
3. Replace and secure the battery cover by turning the thumb loop
1/4 turn clockwise.
(UNIT VIEW)
GROUND
(BUtCK)
BaUay KtpLctmtM
Be sure to ittUan baliaii!
tviili Ac poles motdiing Ac
symbol tnorlml on Ac case.
Bailtty Replacement
Three optional cables are available to connect the GPS 89 to an
external power source or interface with another unit or PC:
• Ggarette lighter Adapter— Allows connection to a 12- volt
DC cigirette lighter plug.
• Data Cross-Load Cable— Allows data transfer between GPS
36/40/45/89 units.
• PC Kit Data Cable— PC interface cable with 9-pin * *D’ serial
data conneaor.
The GPS 89 can drive three NMEA devices using NMEA 0183
version 2.0. Approved sentences:
GPGGA, GPGLL, GPGSA, GPGSy GPRMB, GPRMC, GPRTE,
GPWPL, GPBOD
Proprietary sentences:
PGRME (estimated error), PGRMM (map datum).
PGRMZ (altitude), PSLIB (beacon receiver control) 59