Micromeritics Elzone II 5390 Operator's Manual page 200

Elzone II 5390 Confirm
Servo valve
Pressure reading
5-40
Regulates system vacuum pressure.
Actions: Turn On
Turn Off
Vent
Set Target
Flow
Vent allows air into the system.
Set Target displays the Set Target dialog enabling you to
specify a target differential pressure.
Flow displays the Flow dialog enabling you to specify
flow requirements.
The choice you make enables its corresponding fields so
that you can enter appropriate values.
This rectangular box located to the right of the vacuum
pump displays the amount of pressure below atmo-
spheric.
Actions: Zero Pressure Scale
Zero Pressure Scale simply zeroes the pressure scale,
assuming that the current pressure is at atmospheric.
Enable Manual Control
539-42822-01 (Rev A) - Nov 2017