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CAUTION: There is a high risk of data loss from RAM if the backup battery is
not fully charged. This can happen if the main battery has been
drained and the unit is not connected to the AC adaptor. For this
reason, it is crucial that the backup battery is switched on before
charging the main battery for the first time.
Keypad
Data can be entered into the HT680 via its keypads, which includes: 0~9,
alpha, function, escape, enter, scanner trigger, cursor, and on/off keys.
Scan Key
Escape Key
Function Key
Copyright 2009 Unitech Electronics Co., Ltd. All rights reserved. Unitech is a registered trademark of Unitech Electronics Co., Ltd.
Enter Key
Cursor Key
Power ON/OFF Key
Alpha Key
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