7
NAVMAN
GPS 4100
3-1
Getting to Know the Bluetooth GPS Receiver
On/Off push switch
To turn GPS receiver on:
press for two seconds
and release.
To turn off:
press for two seconds and release.
The GPS receiver will automatically turn off three
minutes after the Bluetooth connection is closed
or lost.
Indicator LED under On/Off switch
Off:
GPS receiver power is off
Two blinks every 1.5 seconds:
the receiver is not
connected to the PDA via Bluetooth.
Blink every 1.5 seconds:
the receiver is connected to the
PDA via Bluetooth.
Light is blue:
battery voltage is good.
Light is red:
battery voltage is low, change the batteries.
External GPS antenna MCX connector
If an external GPS antenna is plugged in
then the GPS receiver will automatically
use the external antenna instead of the
internal antenna.
External power supply connector
If a Navman external power supply is plugged in
then the receiver will automatically use the external
power supply instead of the internal batteries.
Note
: the external power supply does not charge
the internal batteries.
Internal batteries
3-2
Changing the Batteries
Change the batteries in the Bluetooth GPS Receiver when the Bluetooth LED beneath the On/Off switch turns from blue
to red.
1
Remove bottom battery cover by pressing the two
lugs with your
fi
ngers. Pull this bottom cover off the
main unit.
2
Remove the old batteries, and insert 3 x AAA
batteries (dry-cell, rechargeable, or alkaline).
Observe the battery polarity shown right.
3
Replace the bottom cover by inserting the clip into
the slot on the main unit. Clip the bottom cover
onto the main unit.
Important Note:
Ensure the 3 x
AAA batteries are
always installed
even if powering
the Bluetooth GPS
Receiver from
the vehicle power
charger to ensure
minimum time is
taken to obtain a
GPS
fi
x.