Teledyne 465L operation manual SETUP-VARS Menu, Count

Teledyne API Model 465L O3 Monitor Operation Manual

7.2.6.SETUP-VARS Menu

The VARS menu allows viewing and editing of various global setup variables that effect how the M465L operates. These variables are stored in the instrument’s non-volatile memory. Table 7-7 lists these variables and their function.

Table 7-7: VARS List

	VAR		Meaning	Default		Range
				Value
	S/N		Serial number of M465L. This number should match	N/A		1 – 9999
			the serial number tag on the rear of the instrument.
	ALARM		Controls the latching behavior of the concentration alarms.		LATCHING,
	MODE		See Section 7.1.4 for additional details.		NON-LATCHING
	STREAM			1	1,3,6
			Specifies the number of streams available in the instrument. Note that the
	COUNT*		hardware in the instrument must be also configured to support the number
			of streams specified.
	DWEL		Dwell value for stream selector operation. See Section 7.3	30.0		0.0 – 30.0
			for additional details.	Seconds		Seconds
			Multi-stream units with the Sample Conditioner option	45.0		0.0 – 45.0
			(Section 4.1.1.2), require additional dwell time to purge the	Seconds		Seconds
			filter between stream measurements.
	ALARM		Number of readings above alarm limit required to trigger	5	1 - 10
	DELAY		alarms
MAN MODE			Enables/disables the Manual mode timeout feature. See	ON		ON, OFF
TIMEOUT			Section 7.1.3 for more detail.
	BC FILT		Boxcar filter length for concentration filter. Increasing the	10	1-30
	SIZE*		size of the filter will smooth out the concentration readings
			but will also increase the response time.
	FLOW		Enables/disables operation of optional electronic flowmeter	OFF	ON, OFF
	ENABLE
	COMM		MODBUS address for serial communications	1	1 - 20
	ADDRESS
	UNIT		Concentration unit-of-measure setting.	PPM	PPM, PPB, UGM
	SCROLL		Inter-character delay for the front panel display, to increase	20	6-100
	DELAY		speed (lower value) or decrease speed (higher value) the
			display scroll.
USER SLOPE		User-editable calibration slope value		1.000		0.8 – 1.0
	UNITS		Standard (20ºC) or Normal (0ºC) temperature selection for	NORMAL		NORMAL
	TEMP		g/Nm3 units of measure.			STANDARD

* Changing the value of these VARS forces the instrument to automatically reboot for the changes to take effect.

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