Omega Vehicle Security 450 - Manual (Page 29)

26
Zero Calibration
a. Turn the indicator on by pressing the
°
C
key.
b. Set the indicator to the 0.1
°
range.
c. Connect the ice bath probe to the indicator
Input jack.
d. Place the probe in a stable ice bath (0.00C
±
0.05
°
C and adjust the ZERO pot (Rb)
located beneath the plug on the rear case
for an indicator display of 0.0
°
C.
e. Replace the rubber plug.
Calibration is complete.