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8.7.5 Setting of output hold at calibration
This is used when calibrating for holding the output sig-
nal at the value just be before entering calibration. (The
indication is not held.)
The hold function is settable for each component.
Press the FUNC key in the measuring status and
‘ ’ will be indicated.
The HOLD LED of the function indicating lamps will
flicker.
Press the key and the hold function will be settable.
The sub indication will flicker.
Select hold ‘ ’ or ‘ ’ by pressing the key.
Press the ENT key after setting the hold function. Set-
ting operation is completed.
Setting is valid for all the components.
At hold ON, the HOLD of the function indicating lamps
will light steadily while the hold function is activated.
At hold OFF, these lamps will go off.
In case of automatic calibration, output is held while the
automatic calibration lamp is lit.
In case of manual calibration, output is held for about half
an hour after completion of calibration.
For canceling the output hold forcibly, turn off the hold
setting once.
Note 1: When measuring 4 components, or NOx, SO
2
, CO and O
2
(with 2 infrared gas analyzers),
output is held by using the external hold function at the time of automatic calibration.
Note 2: In the setting mode, output is held indifferently to the ON/OFF status of hold setting.
Note 3: In case the analyzer is equipped with a maintenance switch, output is held while the switch
is turned on.
NO
FUNC
NO
NO
NO
ENT
HOLD