Sonel PAT-1 - 8 Firmware Update; 9 Power Supply of the Tester; Monitoring the Power Supply

OPERATING MANUAL PAT-1, PAT-2, PAT-2E, PAT-10 version 1.02
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8 Firmware update
1. In accordance with the guidelines of Section 3 of this manual, enter the meter’s firmware update
mode: UPdT
2. Connect the cable to the USB port on the computer and the USB socket on the tester.
3. Run a program for updating the firmware and follow on-screen instructions.
9 Power supply of the tester
9.1 Monitoring the power supply
The charge level of the batteries or rechargeable batteries is indicated by the symbol in the right up-
per corner of the display on a current basis:
rechargeable batteries are charged.
rechargeable batteries are nearly discharged. Only voltage
measurement is possible.
No battery symbol on screen (with charger connected) indicates
that the battery is either disconnected or corrupted.