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Brightness: Press RIGHT/MENU button to set focus on this option. In focus state, use
UP/DOWN button to change LCD's brightness, use LEFT/RIGHT/MENU button
to exit focus state. The available brightness's range is 100% to 10% in 10% steps.
Auto Off: Press RIGHT/MENU button to set focus on this option. In focus state, use
UP/DOWN button to choose the time period after which the meter enters the sleep
mode
6.8 Bluetooth Connect
4. Turn on the Bluetooth function on the instrument.
5. Turn on the Bluetooth of smartphone,
press the icon Th and enter
the home interface. Then press
Connect Device icon on the Home
interface, Bluetooth device name will
appear.
6. Touch the device name listed in
Bluetooth devices list to connect to the
device.