2.2. Keyboard
Selection of 1 A test current.
Selection of 100 mA test current.
Selection of 10 mA test current.
Selection of 1 mA test current.
Test current control.
Button to exhibits the battery status on the display and battery
charge LED.
Hold -
freeze the last reading on the display.
Start - start test.
Stop - end of test.
On/Off key.
Prints the measured value shown in the display.
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