Teledyne gfc 7000ta operation manual Configuring Analog Inputs Option Channels

Operating Instructions Model GFC7000TA Carbon Dioxide Analyzer

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:

STARTING FROM ANALOG I / O CONFIGURATION MENU

Instrument calibrates automatically

DIAG		ANALOG I / O CONFIGURATION
PREV	NEXT		ENTR EXIT
	Continue pressing SET? until …
DIAG AIO		AIN CALIBRATED: NO
< SET SET>		CAL		EXIT

DIAG AIO CALIBRATING A/D ZERO

CALIBRATING A/D SPAN

DIAG AIO	AIN CALIBRATED: YES
< SET SET>	CAL	EXIT

Exit at any time to return to the main

DIAG menu

Exit to return to the

ANALOG I/O

CONFIGURATION

MENU

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:

Teledyne Analytical Instruments 134