VPG BHL Nobel AST 3, Инструкция по эксплуатации, Быстрая установка

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Operating instructions, Quick installation
4
Zero setting
Zero setting in normal operation can be performed if the ‘Zero setting’ view is
enabled, see previous page, but that zero setting is only temporary.
To perform a zero setting, saved in the instrument memory, the normal operation
must be interrupted and the following sequence in set-up mode carried out.
This type of zero setting is included in the calibration sequences, but a separate
zero setting may also be needed, for example if the equipment on the scale has
been changed, influencing the weight.
Procedure
1. Check that the scale is unloaded before performing the zero setting.
2. Switch to set-up mode by holding ESCAPE ( ) pressed for 2 seconds.
3. Enter the valid password, if this is demanded.
4. The text ‘Main menu Quick set-up’ is displayed.
Press ENTER ( ).
5. The first parameter name, ‘Language’, is displayed.
Press a number of times until ‘Set zero’ is displayed. The parameter value
for ‘Set zero’ is a live weight value.
6. Press . The parameter value is set to zero and a blinking cursor appears to
the left on the second line.
(The zero setting can be cancelled by pressing )
7. Press and hold for 2 seconds to confirm the new setting.
The cursor disappears and a live weight value is displayed.
8. Press , read and make a note of the ‘Zero offset’ value in Appendix 1.
(The ‘Zero offset’ value can be used for set-up of a replacement instrument.)
9. Press .
The display changes to ‘Main menu Exit set-up.’
10. Press .
The display changes to ‘Save changes? No Esc. Yes’.
(Press (Esc.) if you do not wish to exit from the set-up mode.)
11. Press (No) to cancel the change and return to the previous zero setting,
or
Press (Yes) to save the new zero setting in the instrument.
12. AST 3P restarts with the selected zero setting.