Union Instruments CWD2000 EX, Original Operating Instructions

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Operation
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Main menu - Options - System - General
The command "Change signals after hold" causes a smooth transition after a
calibration or after switching off the signal stop condition. This avoids a sudden rise
or drop of the measurement value in the measurement curve. The continuous
transition is specified in seconds.
General system values are configured in this menu.
The following must be observed for this:
Change signals after holding:
When the Hold signals (mA) function is ended, an adjustment of the old and new
measured values is made over a time ramp.
Purge time after cooling:
Specifies the length of time after the device start that the solenoid valve is open
until ignition starts.
Screen switch-off time:
Specifies the time after which the screen will be switched off if no input is made.
Display speed:
Refers to a time constant for various burners. It is preset by the manufacturer and
dependent on the burner type.
Carrier gas check cycles:
The time intervals for carrier gas calibrations, in hours, is defined.