3. Instructions
3.1.On/Off
In the shutdown state, press the key (about 6 seconds) until the welcome interface
appears and release to complete the start up.
In the power on state, press the key (about 3 seconds) when not enter any setting
interface, until the shutdown confirmation interface appears. Press the key to cancel
key to confirm the shutdown.the shutdown and press the
3.2. Up and down key shortcut selection mode
key (display mode) present in turn: infrared mode / infrared edge detection mode I
dual light fusion mode.
Your excellent helper in cable test!
Color plate switching sequence Of NF-521 shown as below
Okey (display mode) present in turn: Iron red / Cold color / Black heat / Rainbow / Red
heat / White heat / Lava.
Black heat Rainbow
Lava White heat Red heat
Your excellent helper in cable test!
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