WIKA Pascal ET - Manual (Page 36)

6 Commissioning, operation
36 WIKA Operating Instruction, Pascal ET and Pascal ET/IS
GB
The instrument requires the channel role:
Figure 24 – Channel role selection
NONE
to use the channel for simple measurement
REF to use the channel as reference in a comparison calibration
DUT to use the channel as measurement of a Device Under Test in a comparison
calibration
Press one of the above button (NONE, REF, DUT) to define the channel role.
Pressing REF or DUT the procedure continues as shown below:
I/O
to assign a particular I/O module to the software channel.
KEYBOARD to setup by keyboard a particular value read from an external instrument
(i.e. analogue gauge).
Figure 25 – Channel mode selection