- 8 -
KEYPAD
Functionality is defined as follows:
Press 3” Turns meter
On
and
Off.
Press 1” to SET/Confirm setting
Press 1” to change
Real time / TWA/STEL ppm
Press 3” CLEAN the MAX and MIN
records
Press 1” to HOLD
MAX
MIN
Press 1” DB
DP
WB
Press 3” To get into setting menu
Press 1” To Light on backlight