Teledyne GFC-7000T - Trace CO2 Analyzer - manual - Manual (Page 152)

Operating Instructions Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments 134
6.13.4.5. AIN Calibration
This is the sub-menu to conduct the analog input calibration. This calibration should only be necessary
after major repair such as a replacement of CPU, motherboard or power supplies. Activate the ANALOG
I/O CONFIGURATION MENU (See Section 6.13.1), then press:
Exit at any time to
return to the main
DIAG menu
DIAG ANALOG I / O CONFIGURATION
PREV NEXT ENTR EXIT
Continue pressing SET? until …
DIAG AIO AIN CALIBRATED: NO
< SET SET> CAL EXIT
DIAG AIO AIN CALIBRATED: YES
< SET SET> CAL EXIT
Instrument
calibrates
automatically
Exit to return to the
ANALOG I/O
CONFIGURATION
MENU
STARTING FROM ANALOG I / O CONFIGURATION MENU
DIAG AIO CALIBRATING A/D ZERO
CALIBRATING A/D SPAN
6.13.4.6. Configuring Analog Inputs (Option) Channels
To configure the analyzer’s external analog inputs option, define for each channel:
 gain (number of units represented by 1 volt)
 offset (volts)
 engineering units to be represented in volts (each press of the touchscreen button
scrolls the list of alphanumeric characters from A-Z and 0-9)
 whether to display the channel in the Test functions
To access and adjust settings for the external Analog Inputs option channels press: