6
ON/OFF/ZERO button
To start or zero the unit, press this button down
for ca. 2 seconds until an acoustical signal
sounds. To switch off the unit , press and hold
down this button for ca. 5 seconds.
ENTER/OK
/
MEMORY/RESET button
•
Press this button to confirm a selected
menu item.
•
Briefly press this button to save a
luminance measurement value.
•
Press this button for ca. 5 seconds to
delete the measurement values in the
memory.
MENU/SAVE/RESULT button
•
Press and hold down this button for ca. 2
sec. to open the Set-up menu.
•
Briefly press this button to save selected
menu items.
•
Press this button for 5 sec. until
“Calculate” appears in the LCD to
retrieve stored values.
„
UP“
arrow button
To select a menu item, briefly press this button.
„
DOWN“
arrow button
To select a menu item, briefly press this button.
USB-INTERFACE
interface for cable connection to a PC
SENSOR CONNECTION SOCKET (2x)
To connect the sensors delivered w/ the
unit.