Teledyne 4040 - Methane / Nonmethane analyzer - Manual (Page 48)

Operation Series 4040
48 Teledyne Analytical Instruments
- Range
- Activity
Indicator
The MAIN MENU and SUB MENU screens have a flashing arrow on
the left side indicating which item is being pointed to.
MODIFIABLE ITEM screens have a flashing value somewhere in the
line.
4.5.1 Main Menus
The MAIN MENU consists of 13 functions you can use to customize
and check the operation of the analyzer. They are listed here with brief
descriptions:
1. AUTO-CAL: Used to define and/or start an automatic calibration
sequence. AUTOCAL is not available for standard
configurations of the 4040.
2. GAIN: Used to change the amplification of the incoming signal.
This is factory set, and should not change.
3. PASSWORD: Used to establish password protection or change
the existing password.
4. LOGOUT: Logging out prevents unauthorized tampering with the
analyzer settings.
5. MODEL: Displays Manufacturer, Model, and Software version of
the instrument.
6. SELF-TEST: The instrument performs a self-diagnostic routine to
check the integrity of the power supply, output boards, cell and
amplifiers.
7. SPAN: Set up and/or start a span calibration
8. ALARMS: Used to set the alarm setpoints and determine whether
each alarm will be active or defeated, HI or LO acting, 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. ANALOG-OUT ADJUST: Adjust the analog output with offset and
scaling for Channel 1 only.
11. CHANGE STREAM: Controls relay switch for alternate gasses.
CHANGE STREAM may not be set during a span calibration.