Minelab GPX-4500, Instruction Manual

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54 55 Battery
Viewing the Battery Voltage
The Battery Volts screen allows you to view the
current voltage of the battery. This screen can be
viewed at any time.
When the battery is low a series of alarm signal
pulses are given at one minute intervals.
Note: The Battery Test screen will automatically return
to the list of functions after seven seconds.
Shutdown
at 7.1V
2
0 14
4
8
Fully Charged
approx. 8.2V–8.4V
6
Low Battery Audio
Signal Warning at 7.3V
1
3
5
7
9
2 4 6 8 10 12 16
Time (Hours)
Vo
lta
ge
(V
ol
ts
)
Lithium Ion batteries have the advantage of holding power through
most of the life of the charge before going into a rapid shutdown.
LCD Backlight
In low lighting conditions the LCD can be backlit.
You can select how long the backlight stays on for
once activated. Between settings one and six the
time-out period is in increments of 10 seconds.
1 – 10 seconds
2 – 20 seconds
6 – 60 seconds
7 – 120 seconds
8 – Always On
The time-out period is the length of time that the
light will stay on after the last alteration is made on
either Function Select or Setting control.
The light will come on again as soon as either control
is moved.
If you are detecting in normal daylight you can select
OFF to preserve battery power.
Range
Factory Preset
Off, 1–8
2 Range 0–8.0V
+8.0V