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
• <ENTER>
>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
<CONFIG>).
>key test
code 4 CONFIG
• You can quit the test by pressing key <STOP> 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 <HOLD / LEARN> 16 <7 / SAMPLE>
2 <STOP> 17 <4 / FLOW>
3 <START> 18 <1 / SCAN>
4 <CONFIG> 19 <0 / DEF>
5 <PARAM> 20 <END>
6 <USER METHOD> 21 <Î>
7 22 <CLEAR / RESET>
8 <9 / LIFT> 23 <ENTER>
9 <6 / DOS> 24 <Ï>
10 <3 / WAIT> 25 <Ð>
11 <* / RACK> 26 <SELECT / DISPLAY>
12 <8 / MOVE> 27 <QUIT>
13 <5 / HEATER> 28 <HOME>
14 <2 / CTRL> 29 <Í>
15 <. / PRINT> 30 <INSERT >
31 <DELETE>
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