Operation 4
IR7000
34
Teledyne Analytical Instruments., - Rev. 3
The sequence of submenus available from the SETUP main menu are
as follows:
S
UBMENU
D
ESCRIPTION
CAL GAS
Enter concentration of span gas
FULL AUTO
Set automatic calibration “ON” or “OFF”
And time span between auto-calibrations
Chart 1
Set upper bound of analysis range 1.
Chart 2
Set upper bound of analysis range 2.
Chart 3
Set upper bound of analysis range 3.
Chart 4
Set upper bound of analysis range 4.
Alarm L
Set Alarm 1 threshold (LOW alarm).
Alarm H
Set Alarm 2 threshold (HIGH alarm).
CAL DELAY
Set delay between request for calibration and
actual start of calibration. Used to purge cell
before calibrating.
O2 CAL GAS
If present, enter concentration of O2 span
gas.
•
Enter the Span Gas Concentration.
Use the UP and
DOWN arrows on the front panel while holding in the
SETUP button to change the actual concentration of
your span gas. The value on the lower right of the
screen will change as you press either arrow. Note that
after 10 units up or down, the longer you hold in an
arrow, the faster the value changes. Stop when you are
close to the correct concentration for your span gas and
then resume by pressing the UP
(Δ)
or DOWN (
∇)
arrow again for the final slow approach to the correct
value.
•
Save the changes.
The SAVE or LOSE screen will
automatically appear when you release the SETUP
button. It will prompt you to press
Δ
or
∇
to save or
lose the changes. You have 60 seconds to either save or
discard your changes. The default value is discard.
When the changes are discarded, either the default
instrument values or the last saved values will be set.