Psion Teklogix 7535 G2 Manual de usuario descargar pdf (Pagina 211)

Chapter 6: Peripheral Devices & Accessories

Gang Charger

Psion Teklogix 7535 G2 Hand-Held Computer User Manual 181

A feature is built into the HU3006 gang charger and the HU3002/HU4002 Combo Char-

ger/Dock which detects a battery that requires calibration and will fully discharge it and

charge it—but only if the remaining capacity is less than 30% of a full charge. On the

HU3006, only one of the six slots can perform a calibration cycle at any one time. This cali-

bration cycle extends the overall charge time by up to 4 hours. A charger that is performing

the initial discharge portion of a calibration cycle will flash its LED yellow at fast rate (a

slow flashing yellow LED indicates the battery is outside of the charge temperature). The

HU3002/HU4002 can also perform a calibration cycle on a battery installed on the hand-

held, but this function can be disabled in the Power Properties dialog (see “Calibrate” on

page 122).

It is not necessary to perform an initial calibration cycle on a brand new battery, although the

gas gauge may have slightly less than +/- 5% accuracy.

It should be noted that as a battery ages its capacity declines, and this is shown on the gas

gauge as an inability to charge the battery to 100%. The 100% setting corresponds to the

nominal capacity of a new battery (as stated on the battery cover). A battery that cannot be

charged beyond 70% of its nominal capacity is considered to be at its end of life.

6.5 Gang Charger

The HU3006 is designed to charge up to six 7535 G2 lithium-ion batteries at one time. Your

charger is shipped with the appropriate IEC mains power cord. If the supplied power cord is

incorrect for your country, contact Psion Teklogix for assistance.

6.5.1 Installation

The gang charger can be wall mounted using the wall mount kit (HU3106) or it can be oper-

ated on a flat surface. Install the charger in an area that is free from excessive dirt, dust and

contaminants. The ambient temperature must be in the range 5° C to 39° C (41° F to 102°

F). The charger will not charge batteries outside of this temperature range. For maximum

performance, it is recommended that the charger be operated at room temperature—a tem-

perature range between 18° C to 25° C (64° F to 77° F).

The charger can consume up to 2A @ 120VAC or 1A @ 240VAC. Check to ensure the

mains circuit supplying the charger is adequate for this loading (especially if several char-

gers are being powered from the same circuit). After unpacking the unit:

• Visually check the charger for damage.

Important: The gang charger is shipped with a user manual. It is critical that this

manual be reviewed for additional information and updates.

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