1.7.2 Buttons

There are four buttons at the bottom of the screen; their corresponding functions are shown on the lower edge of the screen:

From left to right order of view: Button one:

● Switch the interface.

● Back to the previous level (the multi-level interface).

Button two:

● When < ​is displayed: Returns to the previous option or interface; moves between choices after entering the interface.

● When +​ is displayed: Edit the number.

Button three:

● Select the next menu or interface.

● When editing numbers, jump to the next digit.

Button four:

● When ENT​ is displayed: Press Enter to enter the selected menu.

● When SET​ is displayed: Press to set the content entered.

● When PAUSE​ is displayed: Press to pause measurement, Red light will flash.

● When START​ is displayed: Press to continue measurement and release PAUSE​ status.