User's Manual

6.4 UNIT
The measurement unit can be set in this menu.
The settable value range:
- ug/L, mg/L, ‰, mg/100mL, %BAC.
* To move the cursor up, press the power button shortly.
* To move the cursor down, press the menu button shortly.
* To save the setting and return to the menu list, press and hold the power button and the menu
button together for 2 seconds.
* To return to the menu list without saving, press the menu button for 2 seconds.
6.5 BRIGHTNESS
The brightness of the display can be set in this menu.
The settable value range:
- HIGH, MID, LOW
* To move the cursor up, press the power button shortly.