Metrohm 766 IC Sample Processor - Manual (Page 125)

6 Appendix
766 IC Sample Processor
120
• The test can be exited with the <QUIT> or <STOP> keys.
diagnosis
>display contrast test
• <ENTER>
After pressing the <ENTER> key the following display appears whereby the contrast of the
display continuously varies between bright and dark.
>display contrast test
766 IC Sample Processor
• The test can be exited with the <QUIT> or <STOP> key.
diagnosis
>key test
6.4.5 Keyboard
This diagnosis step allows all the keys on the keyboard to be tested for
their functionality.
• Prepare instrument for diagnosis (see section 6.4.2).
• If necessary, press <ê> several times until
diagnosis
>key test
• <ENTER>
>key test
• Activate all the keys one after the other and check their reaction on
the display.
The corresponding matrix code appears in the display and a description of the main function of
the key pressed (for example, the following display should appear when the <CONFIG> key is
pressed).
>key test
code 4 CONFIG
• The test is exited by pressing the <STOP> key twice.
diagnosis
>remote test