OM0135
31
7 - Password Protection
This function allows users to disable/enable password to prevent unauthorized
change of set point, using the UP, DOWN and SELECT keys combination.
Password requires three digits. If password option is enable, whenever 'SET UP'
key is pressed, password will be required. Every time password option is disabled
and re-enable, old password is cleared and new password will be required. The
heated Decon Cycles are also protected by the password. When activated the
password will be requested when the decon key is pressed.
To set password:
Press hidden key to enter option menu.
Press ▲ to advance to "opt".
Press [SEL] to advance to "Pass".
Press ▲ to enable option, "ON".
Press hidden key twice to exit option menu.
Enter your password.
When front panel message displays "Ent-Pas".
Re-enter your password, when front panel message displays
'Pas-rEq'.
Press mode key to SETUP, then back to run.
8. Auto Zero Enable
This function turns the CO
2
automatic zeroing routine on and off.
Default on.
9 - CO
2
Inject Delay Time
This value specifies the time, in seconds, for an injection
of CO
2
to be measurable at the sensor. When CO
2
is injected
into the chamber, the system delays until this period has
elapsed before making a new control decision. In this manner,
diffusion induced delays do not cause the CO
2
system to
overshoot the control set point.
10 - Door Delay Time
This value determines the time, in seconds, to turn on the
door heater to a 100 percent duty cycle after an inner glass door
opening. Also inhibits CO
2
control for the same period.
11 - Air Inject Time
This value specifies the time, in seconds, for an injection of air
into the chamber.
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