BUCHI ELS Detector C-650 - Manual (Page 31)

C-650 Operation Manual, Version B 5 Putting into operation 31
button followed by the button to turn it off.
The # hours field indicates the number of hours that the LED has been in use. The lifetime of the
LED is approximately 5000 h. When this period has been reached, a message indicating that the
maximum usage of the lamp has been exceeded will be presented when the unit is powered up
and the orange LED on the keyboard blinks.
NOTE
When you press the
button, the Gas Valve screen (Fig 5.20) will be displayed.
Gas valve screen
Gas Valve: Open
Prog Time: 0 min Off
Fig 5.20: Gas valve screen
The Gas Valve screen is used to open/close the gas valve and to setup a program to close the
gas valve after a user selected time period. To use this feature, move the cursor to the time field,
indicate the appropriate time, then move the cursor to Off and use the
or key to select
On and press .
When you press the button, the power down screen (Fig 5.21) will be displayed.
Power Down screen
The Power Down screen (Fig 5.21) is used to indicate which features should be shut down upon
receipt of a power down signal from an external source or from the menu.
Powerdown Mode: General
Activate?
Fig 5.21: Power Down screen