BUCHI ELS Detector C-650 - Manual (Page 32)

C-650 Operation Manual, Version B 5 Putting into operation 32
The three options provided for external shutdown are summarized in the following table:
Mode Photomultiplier Lamp Heating Gas flow
General Off Off Off Off
Standby Off Off On Off
Cleaning Off Off On On
To select the desired Power Down mode, use the or key to access the desired mode and
then press to validate the selection.
NOTE
It will take a few minutes to attain operating status from General power down mode, as the tem-
perature must stabilize.
Once the Power Down mode has been chosen and validated, the detector can be powered
down in two ways:
External event cable power down contact closure: The detector will stay in the selected
power down mode while the contact remains closed. It comes back in normal mode when the
contact closure is released.
Power down screen: Press the button to access the power down screen, then press
again the button to place the cursor on the Power down activate line. Validate with to put
the detector in power down mode.
NOTE
To leave the power down mode, release the contact closure if power down has been activated
by external event or press any key if power down has been activated from the Power down
screen.
When the cursor is on the Power down activate line, pressing the
button will present the
Total Lifetime Elapsed screen (Fig 5.22).
Total Lifetime Elapsed screen
Total Lifetime Elapsed
Activate? ########hrs
Fig 5.22: Total Lifetime Elapsed screen
The Total Lifetime Elapsed information screen indicates the usage of the detector and cannot be
edited by the user. When you press the
button, the Serial Number screen (Fig 5.23) will be
displayed.