Unitech PT-500 Manuel D’Utilisation

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When the PT-500 is switched on and the Lithium battery is 
discharged, the following low backup battery warning 
message will be displayed on the PT-500 LCD: 
 
 
 
 
In this situation you should upload your data from the PT-
500 to a PC and have the Lithium battery replaced.  Contact 
your local sales or service representative for replacement of 
the Lithium battery. 
 
Note:  Data may not be backed up and data loss may occur 
if both the main battery and the Lithium battery are 
discharged. 
 
2.3 Using the Keypad 
 
The Keypad of the PT-500 consists of 36 rubber keys and 
one large scanner trigger button.  The keypad layout is 
shown in the following picture. 
BACKUP BATTERY LOW!