16
OPERATING INSTRUCTIONS
Temperature setting
Table 1 shows the basic operation method. Perform key operations in the sequence indicated in the
table. The example in the table is based on the assumption that the temperature is -70
o
C.
Note:
The unit is set at the factory that the chamber temperature is -85C.
Table 1. Basic operation sequence (Example: Chamber temperature -70
o
C)
Description of operation
Key operated
Indication after operation
1 Turn on the power switch.
-----
The current chamber temperature is
displayed.
1
Press mode change key when
changing the set temperature
during operation.
PV/SV
The second digits blinks.
2
Set the second digit to 7 with the
numerical value shift key.
When pressed, the figure of settable
digit changes.
3
By pressing the digit shift key, set
the first digit.
The first digit blinks.
4
Set the first digit to 0 with the
numerical value shift key.
When pressed, the figure of settable
digit changes.
5 Press enter key.
ENT
Set temperature is memorized and
the current chamber temperature
is displayed.
Note:
The temperature set mode returns to the temperature display mode automatically when 90
seconds has passed without any key operation.
