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2
Operation
Operation
Overview
14
Information is shown to the user on a two line LCD display
on the front of the unit. A 5- button keypad allows settings
to be changed.
The three operations accessible via the front panel are:
• Adjustment of the helium gas working pressure
• Switch to a rapid sampling mode for use when liquid
helium refill is taking place
• Mute the audio alarm signal
In normal operational, the display of data is static. In the
event of an alarm or error condition, the display alternates
between the normal display with the errors or alarms.
If for any reason the parameter displayed in the current part
of the display cycle is out of tolerance or in error, the lower
right hand part of the display shows the word "Error" and
the red front panel LED is illuminated.
When the display is showing an error condition, an internal
acoustic sounder sounds.
For more information relating to how the unit responds to
errors, see
"Troubleshooting"
on page 18.
E5080 Series Cryogen Monitor User Guide
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