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4 Operation
keys to choose between % or ppm units. Then press Enter to
Use the
move to the next screen.
Five parameters can be changed on this screen:
•
Value of the alarm setpoint, AL1: ####
•
Out-of-range direction, HI or LO
•
Defeated? Dft:Y/N (Yes/No)
•
Failsafe? Fs:Y/N (Yes/No)
•
Latching? Ltch:Y/N (Yes/No).
•
To define the setpoint, use the < > arrow keys to move the
blinking over to AL1: ####. Then use the
change the number. Holding down the key speeds up the
incrementing or decrementing.
•
To set the other parameters use the < > arrow keys to move the
blinking over to the desired parameter. Then use the
keys to change the parameter.
Once the parameters for alarm 1 have been set, press Alarms
•
again, and repeat this procedure for alarm 2 (AL2).
•
To reset a latched alarm, go to
times or
Go to
(Toggle it to
The Range Select Function
4.6
The Range function allows you to manually select the concentration range
of analysis (
In the
(concentration) limits of each Range, and select a single, fixed range to run.
CAUTION: If this is a linearized application, the new range must
be within the limits previously programmed using the
System function, if linearization is to apply through-
out the range. Furthermore, if the limits are too small
a part (approx 10 % or less) of the originally linear-
ized range, the linearization will be compromised.
4-18 Part I
two times. (Toggle it to and then back to )
–OR –
and then press either
and back to )
), or to select automatic range switching (
screen, you are further allowed to define the high and low
Teledyne Analytical Instruments
arrow keys to
arrow
and then press either
two times or
two times.
).
Model 2010B
two
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