7
mode, as indicated by the indicator light. Fast defrost takes about 6 minutes. Press
again
to stop fast defrost, and meanwhile the indicator light goes off. Freezing recovers after 25
seconds. In the case where the system automatically enters the defrost mode and the indicator
lights is on, user may press this button to stop the defrost process.
Middle zone
The middle zone is for section/trimming settings, controlling the Peltier, and the standby
mode.
Peltier freezing (not available under the standby mode)
Press this Peltier switch button to run the Peltier element on the quick freeze shelf, as
indicated by the indicator light. The 4
th
line on the screen shows the remaining cooling
time of the Peltier, e.g., [15] indicates 15 minutes, which will count down to [14], [13]
… [2], [1]
until the Peltier stops cooling and the indicator light is off. User may also press this button to
stop the Peltier when it is running. The Peltier stops running automatically if the temperature of
the cooled storage is not below -10
℃
.
Standby
In the standby mode, the cryochamber remains at a temperature of -4
℃
to -9
℃
. This mode is
recommended if the instrument won
’t be in use for a period time, which may prolong the
lifetime of the compressor.
Press the standby button to turn on/off the standby mode, which is indicated by the
bright or dim LCD screen, respectively.
Section/trimming setting
When the system is turned on, the LCD screen is as below:
→ Section thickness
→ Retraction thickness
→ Number of sections
→ Total thickness
Press this mode selection button to select between sectioning or trimming.
Press this button to clear the displayed values of total number of sections and
thickness into
“0”.