37
937A Multi-Sensor System
CC, A1, A2, B1, or B2
Channel - indicates a sensor module is inserted in this slot. A2 and B2 only
display if a dual sensor module is installed. These indicators are displayed in
any
Function Select mode.
U
User Zero (Vacuum) or Atmospheric Calibration - indicates the factory default
calibration setting for zero, atmosphere, or both have been overridden. It is
displayed in any
Function Select mode and is only displayed beneath
channel indicators for Slots
A and B.
SP1, SP2, SP3, SP4, or SP5
Set Point Relay Status - indicates the corresponding set point relay is active
(i.e., pressure is below the set point value).
TORR, mBAR, PASCAL, or MICRON
Unit of Measure - indicates selected unit of measure for pressure and is
displayed in any
Function Select mode.
ATM
Atmospheric Calibration- indicates Function Select switch is in the ATM
Calibration mode.
CONTROL
Cold Cathode Sensor Control - indicates a control sensor relationship exists
between the two channels displayed.
CM ZERO
Automatic Zeroing - indicates auto zeroing is taking place for one or more
capacitance manometer channels.
ZERO
Zero (Vacuum) Calibration- indicates Function Select switch is in the Zero
Calibration mode.