3 manual rinsing, 4 manual injection – Metrohm 750 Autosampler User Manual

Page 29

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3 Operation

750 Autosampler

26

3.3

Manual rinsing

RINSE

9

This command allows the rinsing of the transfer needle, transfer tubing

and injection valve. When the <RINSE> key (<FUNCTION> + <9>)

is pressed, the following screen appears:

Enter Rinse Vial

# 1

1

128

Position of rinsing solution
Entry of position of the rinsing solution on the sample rack. After

confirmation with <ENTER> the transfer needle moves to the

given rinsing vial and sinks down to its lowest position "

POS4

".

When the rinsing process has ended the instrument returns to its

basic condition. The transfer needle remains in the rinsing vial.

3.4

Manual injection

INJECTION

MANUAL

8

The <MANUAL INJECTION> key (<FUNCTION> + <8>) allows

manual injections of a user specified sample. When pressed, the

following screen is provided:

MANUAL INJECTION
Sample Vial 1
Needle Depth POS 1
Run Injection
Exit

Manual injection

Position of sample vial

Needle depth

Run injection

Return to standby mode

The individual menu points are selected by pressing the <

б

б

> and

<

в

в

> keys. The individual inquiries of a menu point are accessed using

the <ENTER> key and exited by pressing simultaneously the

<FUNCTION> + <CLEAR> keys. The following listings show all dia-

log items which appear under <MANUAL INJECTION>. The values

shown in the displays are the default values, the possible entry values

or ranges are shown below the display.

MANUAL INJECTION

à

Sample Vial 1

1

128

Position of sample vial
Entry of the sample vial position on the sample rack for the desired

sample to be injected.

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