Copyright 2008 Baker Hughes Company.
English–PACE5000/6000 Instruction Manual | 69
Barometric Reference Option
6.14.1 Zeroing the Reference Sensor
If a CM3 module is present, there is the option to zero the reference sensor using the barometer
sensor reading.
To zero the reference sensor:
1. On the MEASURE SETUP or CONTROL SETUP screen, select GLOBAL SETUP.
2. On the GLOBAL SETUP screen, select CALIBRATION.
3. Enter the Calibration PIN and press ENTER CALIBRATION PIN. Use the back arrow in the
top right corner of the screen to delete any incorrect data entries.
Note: The factory set Calibration PIN is 4321.
INFORMATION To prevent damage to the instrument, the VENT and REF
ports of the pneumatic control module shall be open to the atmosphere during
a Pressure Zero.