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2.5 USB
This USB sub-menu only for updating software by USB sticker.
How to update software by USB sticker:
1. Copy the official release .AP file software to USB sticker
2. Plug-in USB sticker to the meter
3. Move the curse to USB item on Main Menu
4. Press [OK] to pop-up .AP file lists as below. Then press [OK] to confirm to update.
5. The meter will enter into updating mode and reboot automatically once the updating progress
is finish.
Note: Please do not power off the meter during the whole updating progress.
2.6 System
The system setting menu for meter.
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