11
12. Alarm buzzer stop key
(BUZZER): Press this key to silence the buzzer when the alarm operates
and the buzzer sounds (The remote alarm is not stopped).
13. CO
2
gas supply line indicator
(A/B): The lamp for the supply line currently in use lights up
provided that MCO-21GC gas auto changer (option) is installed.
14. CO
2
gas supply line switching key
: This key to select CO
2
gas supply line is available only when
a gas auto changer MCO-21GC (option) is installed. When one CO
2
cylinder is empty, the CO
2
is
supplied by the other cylinder automatically.
15. Enter key
(ENT): Pressing this key memorizes the set value in the controller.
16. Numerical value shift key
( ): Pressing this key in the setting mode causes the numerical value
to shift. In key lock mode, pressing this key makes key lock ON or OFF.
See page 27 for details.
17. Digit shift key
( ): Pressing this key in the setting mode causes the changeable digit to shift.
Pressing this key more than 5 seconds enters key lock mode. See page 27 for the key lock.
Remote alarm terminal
The terminal of the remote alarm is installed at the rear right side of the incubator. The alarm is
outputted from this terminal. Contact capacity is DC 30 V, 2 A.
Contact output:
between COM. and N.O.
between COM. and N.C.
At
normal
Open
Close
At
abnormal
Close
Open
Note:
The alarm is actuated when the power supply cord is disconnected from the outlet or the power switch is
OFF.
• The remote alarm cannot be stopped by pressing the alarm buzzer stop key (BUZZER) since the remote
alarm is not conjunct with the alarm buzzer stop key (BUZZER).
Remote alarm terminal
