17
OPERATING INSTRUCTIONS
This unit is provided with the high temperature alarm. The setting of high temperature alarm is 10oC or
15oC higher than the setting of chamber temperature. The procedure in table 2 shows the sequence to
set the high temperature alarm at 15oC higher than the setting of chamber temperature. Set the figure to
000 at step 5 when setting the high temperature alarm at 10oC higher than the setting of chamber
temperature.
Note:
The alarm temperature is set at the factory 10oC higher than the setting of chamber temperature.
Table 2. High temperature alarm setting (15oC higher than the setting of chamber temperature)
Description of operation Key operated Indication after operation
1 ----- The current chamber temperature is
displayed.
2 Press the numerical value shift key
for about 5 seconds. The first digit blinks.
3 Set the first digit to 1 with the
numerical value shift key. The first digit blinks.
4 Press ENT key. ENT The first digit blinks.
5 Set the first digit to 1 with the
numerical value shift key. When pressed, the figure of settable
digit changes.
6 Press ENT key. ENT
Alarm temperature is memorized and
the current chamber temperature
is displayed.
Note: The setting is not memorized if the mode change key (PV/SV) is pressed during alarm
temperature setting. The chamber temperature is displayed for 3 seconds when the numerical value
shift is pressed 5 times continuously.