
Chapter 7: Peripheral Devices & Accessories
Indicators
Psion EP10 Hand-Held Computer User Manual
184
The RV4000 desktop docking station is a desktop model designed to:
• Fast charge the internal battery.
• Fast charge the spare battery pack (see Figure 7.3 RV4000 Desktop Docking Station – Front View on
page 184)
• Supply micro-USB connection.
The RV4000 storage temperature is -30° C to +60° C (-22° F to 140° F). Operating temperature and humid-
ity are: 5 - 95% non-condensing and 0° C to 40°C (32° F to 104° F).
The desktop docking station provides sufficient power to concurrently support all the above functions. The
RV4000 uses careful charge algorithms designed to maximize battery life while ensuring the shortest pos-
sible charge time. The charger supports proprietary Psion Smart Batteries and handles a range of voltages
and charge algorithms. See “The Battery” on page 32 for battery capacity, charge times and battery life for
the EP10 battery. See “Charging a Spare Battery” on page 185 for spare battery charge information.
Figure 7.3 RV4000 Desktop Docking Station – Front View
7. 5.1 I n d ic ato rs
The RV4000 desktop docking station is equipped with a single LED on the front panel that indicates the
charge status of the spare battery.
7.5.2 Operation
7.5.2.1 Charging the EP10 Battery
The RV4000 supplies DC power to enable the EP10 internal fast charger. Normally, it takes between 3 to 4
hours to charge the battery installed in the EP10.
When the EP10 hand-held is installed in the dock, the battery charge LED on the EP10 (the left-most LED)
lights up to indicate the unit has external power and may charge the internal battery. The EP10 charge LED
follows the same convention as the RV4000 docking station LED. Refer to “Charging a Spare Battery” in
the next section for details about LED behaviour.
Rear-Mounted Spare Battery
Spare Battery Charge LED
Charge Well
Important: This docking station can only be used to charge Psion approved Lithium-Ion batteries.
Note: Battery charging continues whether the EP10 is switched on or off.
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