11 - 3
IM 4H3B1-01E
1. MAINTENANCE
11.3 Pen Adjustment (Pen Model)
11.3 Pen Adjustment (Pen Model)
It is recommended to adjust the position of the pens once a year.
To adjust the pens, proceed as follows:
• Allow a warm-up time for the recorder of at least 30 minutes. Check that the ambient
temperature and humidity are within Normal Operating Conditions (see chapter 10
‘General Specifications’).
•Enter the SET UP Mode by turning ‘ON’ the power while pressing and holding the
ENT-key until the SET UP display appears.
•Press the ENT-key until the display ‘SETUP=P_ADJ’ appears. Press the ENT-key.
• You can now select to adjust the ZERO position of the pens (left side of the chart) or the
FULL position of the pens (right side of the chart). It is recommended to adjust the
ZERO position before the FULL position. After selection press the ENT-key.
• Select the channel number (= pen number) which you want to adjust. Then press the
ENT-key.
• Change the numeric value and the pen will move to its new position after having
pressed the ENT-key. Continue this procedure until the pen is in its correct position.
Changing the value 1 digit will result in a pen movement of approximately 0.01mm. A
+ change will result in movement to the right. The correct position can be checked by
use of the grid on the chart.
• This adjustment has been completed, but before leaving the SET UP Mode, you have to
store these settings. Press the ESC-key to return to the ‘SETUP=P_ADJ’ display and
then select the ‘SETUP=END’ display.
Press the ENT-key. Select ‘END=STORE’ to keep your new settings or
‘END=ABORT’ and press the ENT-key. After a few seconds, the Operation Mode will
appear.
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