6.3 Parameter Setting Instruction
a) Automatic lock (P1):
Select “On” to activate auto lock function. When reading is stable for more than 10
seconds, the tester will lock the value automatically, and HOLD icon
will display on LCD. Press key to cancel auto hold.
b) Backlight (P2)
“Off”-turn off backlight, “On”-turn on backlight, 1- backlight will last for 1 minute.
c) Factory default Setting (P7)
Select “Yes” to recover instrument calibration to theoretical value, parameter setting return
to initial value. This function can be used when instrument does not work well in calibration
or measurement. Calibrate and measure again after recover the instrument to factory
default status.
7. Technical Specifications
0-100,0 ppm, 0-1000 ppm, 0-10.00 ppt