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Teledyne 7300a - NDIR analyzer User Manual

Page 40

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4 Operation

Model 7300A

4-4

Teledyne Analytical Instruments

4.2.1.2 Setup Mode

The MAIN MENU consists of 14 functions you can use to customize and

check the operation of the analyzer. Figure 4-1 shows the functions available
with the 7300A. They are listed here with brief descriptions:

1

AUTO-CAL:

Used to define and/or start an automatic calibration

sequence.

2

PSWD

: Used to establish password protection or change the

existing password.

3

LOGOUT

: Logging out prevents unauthorized tampering with

the analyzer settings.

4

MODEL

: Displays Manufacturer, Model, and Software version

of the instrument.

5

SELF-TEST

: The instrument performs a self-diagnostic routine

to check the integrity of the power supply, output boards, cell and
amplifiers.

6

SPAN

: Set up and/or start a span calibration.

7

ZERO

: start a zero calibration.

8

ALARMS:

Used to set the alarm setpoints and determine

whether each alarm will be active or defeated, HI or LO acting,
latching or not, and failsafe or not.

9

RANGE

: Used to set up three analysis ranges that can be

switched automatically with auto-ranging or used as individual
fixed ranges.

10

HARDW-VAR

: This function displays parameters used by the

software for some calculations. It is a troubleshooting tool to be
used by qualified technicians.

11 FILTER: This function sets the digital filter from 0 to 10, 0

being faster response time, and 10 being the slowest. The default
is 4.

12 CAL_OUTPUT: Calibrate Analog Output

13 APPLICATIONS: Restricted function, not generally accessed

by the end user. Used to define up to three analysis ranges and a
calibration range (including impurity, background low end of
range, high end of range, and % of ppm units).

14 ALOGORITHM: Arestricted function, not generally accessed

by the end user. Used to linearize the output for the range of
interest.