Teledyne 3000TA-XLEU - Trace oxygen analyzer - Manual (Page 59)

Trace Oxygen Analyzer Operation
Teledyne Analytical Instruments 43
Press ◄► arrows to blink Span (or Zero ), then press Enter again.
(You won’t be able to set OFF to ON if a zero interval is entered.) A
Span Every ... (or Zero Every ... ) screen appears.
Span Every 0 d
Start 0 h from now
Use ▲▼ arrows to set an interval value, then use ◄► arrows to
move to the start-time value. Use▲▼ arrows to set a start-time value.
To turn ON the Span and/or Zero cycles (to activate Auto-Cal):
Press System again, choose Auto—Cal , and press Enter again. When the
Span/Zero values screen appears, use the ◄► arrows to blink the Span
(or Zero) OFF/ON field. Use ▲▼ arrows to set the OFF/ON field to
ON. You can now turn these fields ON because there is a nonzero span
interval defined.
4.3.3 Password Protection
If a password is assigned, then setting the following system
parameters can be done only after the password is entered: span and zero
settings, alarm setpoints, analysis range definitions, switching between
autoranging and manual override, setting up an auto-cal, and assigning a
new password. However, the instrument can still be used for analysis or
for initiating a self-test without entering the password.
If you have decided not to employ password security, use the
default password TETAI. This password will be displayed automatically
by the microprocessor. The operator just presses the Enter key to be
allowed total access to the instrument’s features.
Note: If you use password security, it is advisable to keep a copy
of the password in a separate, safe location.
4.3.3.1 E NTERING THE P ASSWORD
To install a new password or change a previously installed
password, you must key in and Enter the old password first. If the
default password is in effect, pressing the Enter button will enter the
default TETAI password for you.
Press System to enter the System mode.
TRAK/HLD Auto—Cal
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