9 - 2
INP-TN4PHAV-E
9.2
Zero/span adjustment for analog trend recording position
The zero print (0% point) and span point (100% point) for analog trend records on the recording
paper are adjusted. There is no need to connect a calibration instrument for this adjustment.
(1) Press the REC key to stop recording operation.
(2) Press the SEL key to bring up a display of the parameter 'Ink alarm clear'.
(3) Press the SEL key while holding the FEED key depressed. This effects a shift to a display of
parameters for calibration. The first display shows manufacture's test parameters, ignore this
and press the SEL key.
Display of adjustment of print/record
Display of zero/span calibration of analog trend records
Select whether calibration is required or not using
and
keys.
The recording head moves and records a black straight line at the zero point (0% point).
If the place where this line is recorded is not at the 0% point of the recording paper, make an
adjustment.
Pressing the
key moves the recording point to the right.
Pressing the
key moves the recording point to the left.
After bringing the recording point to the zero point, press the ENT key.
This completes zero point calibration.
The recording head moves to the 100% side and records a black straight line at the span point
(100% point).
If the place where this line is recorded is not at the 100% point of the recording paper, make
an adjustment.
Pressing the
key moves the recording point to the right.
Pressing the
key moves the recording point to the left.
After bringing the recording point to the span point, press the ENT key.
The recording head moves and recording stops. End of span point calibration.
• You can switch to the display mode by pressing the DISPLAY key.
Note: The display becomes "data print" or "list print" if a list print request occurs during zero/span of
the head. List print should not be requested during zero/span adjustment.
Explanation
ADJUST HEAD
BACKLASH=3
HEAD ZERO/SPAN?
NO
ALARM LATCH
ON/OFF
SEL
ENT
SEL
Calibration
required
(YES)
Calibration
required
(NO)
↓
↓
↓
Operation