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J. POWER SUPPLY
The preferred power source is determined by FDX use: the rechargeable battery
for portable use and AC adapter/charger or USB port for stationary use.
J.1 Battery and AC Adapter
The FDX is powered by two rechargeable 1.2 Volt (AAA) Nickel Metal Hydride (NiMH)
batteries. With a full charge, the NiMH batteries will provide power up to 20 hours of
continuous use with backlight and up to 30 hours if used continuously with the backlight off.
Battery life can be extended further by using Auto-Off (described in Section B.2.2).
Low battery power is indicated on the display with a battery icon that indicates when
the charger is plugged in, when the battery has a strong charge, and when the
battery is low.
The gage will automatically turn off when the battery is fully discharged.
With the AC adapter plugged in, FDX is charging when turned on or off and charges
faster when off.
Battery OK
– 3 to 5 bars.
– safe to use gage without charger.
Battery Low
– 2 or fewer bars.
– plug in charger soon.
– gage will power down soon and data loss may occur.
– NOTE: No warning – the gage automatically turns off when
the battery charge is too low.
Charging
– increasing bars indicates charging.
– charger or USB port plugged in.
– can use gage indefinitely.
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