BUCHI UV-Vis Detector C-640 - Manual (Page 18)

4 Description of function
18 C-640 Operation Manual, Version A
4 Description of function
This chapter explains the basic working principle of the UV-VIS Detector C-640. It also shows how the
instrument is structured and provides a general functional description of its assembly.
4 .1 Front panel of the instrument
The front panel of the instrument consists of nine push buttons , two LED indicators b the ON /
OFF switch a and the graphical display .
1
4
2
3
a Power switch ON / OFF
b LED indicators (Lamp = green and Error = red)
 Push buttons for operating the instrument
 Graphical display
Figure 4-1: Front panel of the instrument
4 .1 .1 LED status
LED LED status Description
 LAMP Off The detector-lamp is off.
On The lamp is on.
NOTE
During start-up of the detector all LEDs will be switched on for a
short period of time.
Blinking The detector-lamp is starting up.
 ERROR Off The detector has no error.
On An error occurred.
NOTE
During start-up of the detector all LEDs will be switched on for a
short period of time.
Blinking Indicates a display error.