Charles Machine Works Inc The 2450GR ユーザーズマニュアル

Check battery status before each use, after each battery change, and as desired during operation. In 
normal conditions, battery lasts about 12 hours.

1. Connect control unit to battery.

2. Check battery status: 

Control Unit If battery has greater than 10V, indicator on control unit will light. 

Software Check battery status indicator.  

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If indicator is green, battery is fully charged.

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If indicator is yellow, battery is semi-charged.

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If indicator is red, battery needs recharged.

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If indicator is not lit, check the cable for a good connection or recharge the battery.

If the battery runs down, 

1. Shutdown unit. 

2. Connect another battery. 

3. Restart the system. 

Connect the discharged battery to the battery charger. It takes about 3 hours to recharge the battery.   

Check battery status before each use and after each battery change. See PC manufacturer’s instructions 
for more information.