beautypg.com

5 keypad, 6 remote interface, Chap. 6.4.5 – Metrohm 774 Oven Sample Processor User Manual

Page 152: Chap. 6.4.6

background image

6 Appendix

774 Oven Sample Processor, Instructions for use

146

6.4.5 Keypad

This diagnosis step allows you to check all keys of the keypad for operabil-
ity.

• Prepare the unit for diagnosis (see Chap. 6.4.2).

• If necessary, press <Ð> several times until

diagnosis

>key test

•

>key test

• Press all keys consecutively and check the response on the display.

The corresponding matrix code and designation of the main function for the key pressed are

shown on the display (e.g. the following display must be shown when you press key

).

>key test

code 4 CONFIG

• You can quit the test by pressing key twice.

Key table:

6.4.6 Remote interface

This diagnosis step allows you to check all outputs (14) and inputs (8) for
operability.

• Prepare the unit for diagnosis (see Chap. 6.4.2).

• If necessary, press <Ð> several times until

Code

Key

Code

Key

1

16

<7 / SAMPLE>

2

17

<4 / FLOW>

3

18

<1 / SCAN>

4

19

<0 / DEF>

5 20
6

METHOD> 21

<Î>

7

22

8

<9 / LIFT>

23

9

<6 / DOS>

24

<Ï>

10

<3 / WAIT>

25

<Ð>

11

<* / RACK>

26