User's Manual

The following information about the device can be checked in this menu.
1. Version of Firmware
2. The calibration date
3. The total number of tests performed
* To return to the menu list, press the menu button for 2 seconds.
6.8 PIN CODE
In this menu, the correct PIN code must be entered to move into the advanced menu option.
The default PIN code is 0000, and the PIN code is adjustable from 0000 to 9999 in the advanced
menu option.
* To change digits of PIN code, press the power button for 2 seconds.
* To raise the number of PIN code, press the power button shortly.
* To reduce the number of PIN code, press the menu button shortly.
* To enter the advanced menu option, press and hold the power button and the menu button
together for 2 seconds.
* To return to menu list, press the menu button for 2 seconds.