Garmin GPS 45 Owner's Manual & Reference

Contents

Garmin GPS 45 Owner's Manual & Reference Manual pdf 55 page image

The GPS 45 provides 10 hours of operation innormal mode and up to 20 hours of operation inbattery saver mode on 4 AA alkaline batteries.Rechargeable Ni-Cad or lithium batteries may alsobe used. Note that the battery level indicator is cal-ibrated for alkaline batteries, and Ni-Cad and lithi-um batteries will only show battery life at partialscale. No other functions will be affected.To install batteries:1. Remove the battery cover by turning the thumbloop 1/4 turn counter-clockwise.2. Insert batteries into position. The battery poleyou can still see should match the symbolmarked on the case3. Replace the battery cover by turning the thumbloop 1/4 turn clockwise.Never store your GPS 45 without batteries. A built-in capacitor will save almanac and waypoint datawhile you are changing the batteries, but will onlysave data for a period of time (a few hours). Ifyou’re storing the unit for the season, put in afresh set of alkaline batteries to help preventloss of stored data.47Antenna InstallationThe GPS 45’s antennamay be removed toattach an optionalexternal marine orautomobile antenna.To remove the antenna:• Rotate the knurledknob (located at the bot-tom left of the antenna)toward the front of theunit one-quarter turn.• Pull the antenna gen-tly away from the unit.• To install the antennaor an external antennalead, mate the BNC con-nector notches with themounting posts and turnthe knurled knob one-quarter turn toward theback of the unit.Battery InstallationReferenceBattery andAntennaInstallation⌃