6-7
IM 04P03B01-01E
Maintenance
6
6.5
Adjusting the Dot Printing Position (Dot Model)
The dot printing position on the chart paper can be adjusted. Adjust the hysteresis, the
zero position, and then the full position.
It is recommended that the position be adjusted once a year to assure its recording
accuracy.
Note
Dot printing position is adjusted under standard operating conditions when the recorder is
shipped from the factory. Because the chart paper may expand or contract depending on the
environment in which the recorder is used, it is recommended that the position be readjusted
before use.
Procedure
1.
Warm up the recorder for at least 30 minutes.
2.
Check that the operating environment such as ambient temperature and
humidity is within the standard operating conditions (see section 7.6).
3.
Hold down the
MENU
key for 3 seconds to enter Setting mode.
4.
Hold down the
and
keys simultaneously for 3 seconds to display the
Basic Setting mode screen.
5.
Carry out the procedure shown in the figure below.
Press the
or
key to select the value.
For the procedure on how to enter values or characters, see page 19 in the
Operation Guide
.
To change the polarity, press the
or
key when the leftmost digit of the
value is blinking.
If you press the
key, the operation is cancelled, and the display returns to a
higher level menu.
6.
Hysteresis:
Increase or decrease the setting so that the dots printed
out on the chart paper form a single straight line.
Zero and full positions: Increase or decrease the setting to align the line with
the scale line on the chart paper.
Enter the adjustment value.
Select hysteresis (HYS), zero position
(ZERO), or full position (FULL).
The adjustment value is activated.
Select “P_ADJ.”
(P_ADJ)
(HYS)
(OK)
7.
If you are done, press the
key.
8.
To return to the Operation mode,
1. Press the
key, use the
or
key to select
, and press the
key.
2. Press the
or
key to select
or
, and press the
key.