User manual
Push and hold the SETUP key for approx. 2 seconds.
The display shows the setup windows „SETUP 1 APO TIME“ for 
automatic power-off. Push the SELECT key (5) to switch to the 
menu „SETUP 2 OLED BRIGHT“.
Use the MAX MIN key (8) to increase the value in intervals of 
10%.
Use the REL ZERO key (11) to decrease the value in intervals of 10%.
A brightness value of 0% sets the lowest brightness necessary to read the display. 100% sets 
the highest brightness.
To exit the settings menu, push and hold the SETUP key for approx. 2 seconds. The display 
returns to measuring operation.
 .
The HOLD function freezes the current measurement in the display so you can read or 
protocol it without any rush.
 
Push the HOLD key (7) to activate the HOLD function; a beep sounds as conrmation and the 
display shows „H“.
To turn off the HOLD function, push the HOLD key again or switch to a different measuring 
function.










