Caron 6404-4 - Manual (Page 29)

6400/6404 Series Operations Manual Page 29 of 54
Rev F 09/18/14
Ambient reference calibration
The O2 sensor may be calibrated by using the ambient air as a reference. This process
involves filling the incubator with ambient air and then setting the O2 calibration reading
to the expected O2 level.
1) Press the sequence to access the factory configuration setup menu
2) Use the and to program ‘ 0 3 9 7 ‘ as the PIN number
3) Press the to select O2 control
4) Press the key to enter O2 control
5) Press the to select ‘Install’
6) Press the key to install O2 control
7) Press the key to skip the 100mV and 4.5V DC calibration prompts
8) Open both the outer solid and inner glass doors
9) Press and hold the door switch while the calibration counts down for 60 seconds
10) Let go of door switch once the display shows ‘Calibrating XX.X’
11) Wait until the display reads ‘Calibrating 20.7’
12) Press to acknowledge the ‘Sensor is Ready’
13) Press to exit to the main display