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Operating Manual V1.1 – 05/2007
Setting the time
• The clock time is set with the +/- buttons in the control panel marked
with the clock symbol.
To do so, set the current time using the "+" or "-" button below the small
clock symbol.
Pushing the "+" or "-" button for more than 1 sec. increases or decreases
the time continuously (auto-repeat function).
8. Working with the Instrument
Programming the specimen temperature
• Select the desired temperature of the specimen.
• The specimen temperature is set and indicated on the control panel
marked with the specimen head symbol.
The actual temperature is the standard indication.
Briefly pressing the "+" or "-" button displays the target temperature.
Set the desired value via the "+" / "-" buttons. Pushing the "+" or "-" button
for more than 1 sec. increases or decreases the specimen temperature
continuously.
The actual value will be indicated 5 seconds after finishing the program-
ming.
Specimen temperature - "Max-Cool" function
• The snowflake button for the Max-Cool function is in the panel with the
specimen head symbol.
Pressing the button sets the lowest possible specimen head tem-
perature (-50°C) as the target temperature. The instrument adjusts the
maximum low temperature of the specimen head, i.e. -50°C.
• Push the snowflake button again to stop the "Max-Cool" function.
The temperature adjusts to the value programmed prior to activating the
"Max-Cool"-function.
• Alternate flashing of "LL" and the actual temperature indicates activa-
tion of the Max-Cool function.
Caution:
The specimen head and Peltier do not switch on until the chamber
temperature reaches -5°C, in order to prevent icing.