2 preparing the instrument – Metrohm 774 Oven Sample Processor User Manual

Page 150

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6 Appendix

774 Oven Sample Processor, Instructions for use

144

6.4.2 Preparing the instrument

• Disconnect the cables to the RS232 and Remote interfaces.

• Switch the power on and immediately press key <9> and keep it

pressed until the power-up test pattern disappears.

Switch on and

9

LIFT

drücken.



Main menu Diagnosis:

diagnosis

>RAM initialization

Open the sub-menu with <ENTER>

diagnosis

>RAM test

Move one menu item down or up with <

Ï

> or <Ð>

diagnosis

>display test

Move to the first resp. last menu item with <HOME> or
<END>

diagnosis

>display contrast test

Return to basic state with <QUIT>

diagnosis

>key test

diagnosis

>remote test

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>RS232 test

diagnosis

>external bus test

diagnosis

>beeper test

diagnosis

>rack code test

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>function test

*

diagnosis

>instrument number

*

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>oven test

*

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>instrument adjustment *

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>measure test

*

diagnosis

power on reset



* These tests are reserved for servicing personnel.

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