User`s guide

Operation
170
Protection” and the pop-up Password box will appear in
the figure above. If you wish to create a new password,
touch each box and the alpha keypad will appear. The
original (old) password is “hstd”, or another entry mode
after installation.
4. Once you have entered the correct password press OK.
5. Press OK to close the Preferences tab. This saves your
selection. If you press Cancel, the TD will revert to the
previous settings.
Tube Alarm Option—Use the tube alarm option to warn you when
the current method or sequence is about to be completed. Enter the
number of tubes still to be processed after the alarm. If you enter
“2”, the alarm will sound when the second to last tube is loaded.
Press OK to close the screen to acknowledge the alarm. Enter a
value of 0 to disable the tube alarm option.
Max Trap Temp—Set the maximum temperature that the trap can
be heated to. Refer to the specifications for the packing material
when you are setting this value.
Max Valve Temp—Enter the maximum valve temperature. This
limits the temperature that you can enter for the heated valve and the
associated plumbing. The maximum temperature is 300ºC for the
standard Valcon T valve rotor. The Valcon T rotor may not operate at
temperatures below 150ºC. See High Temperature Operation on
page 215 for details.
Economy Mode—Economy mode allows the instrument to remain
on while conserving power and carrier gas. To use economy mode
you must enable the option and then enter the desired settings. When
the instrument goes into economy all of the heaters and Peltier
coolers are switched off, the purge valve is closed.
While in Economy Mode, any key press interrupts the Economy
Mode and the instrument returns to Standby. A visual note and a
sound effect accompany the activation of the Economy Mode.
To enable and use this option:
1. Select the Setup tab.
2. Press the Economy Mode check box. A check mark
will appear in the box to enable the option.