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RUNNING OPERATION (MENU/Set)
Ring back of alarm buzzer setting (Ring Back)
The alarm buzzer is silenced by pressing alarm buzzer stop key (BUZZER) on the control panel during
alarm condition (The remote alarm sound and lamp are not silenced.). The buzzer will be activated
again after certain suspension if the alarm condition is continued.
The suspension time can be set by following the procedure shown in the Table 5 below. (The duration is
set in 30 minutes at the factory.)
Table 5 Setting procedure for alarm ring back time (Change from 30 minutes to 10 minutes)
Description of operation Key operated Indication after operation
1 ----- The top screen displayed
2 Press the MENU key. MENU
The menu window is indicated. And the
“set” is highlighted.
3 Press the ENTER key. ENTER
The temp. setting window indicated. And
current chamber temperature is
highlighted.
4
Select Ring Back item pressing
Shift keys.
The set value 30 of the ring back time (Ring
Back) is highlighted.
5
The number input key is pressed in
order of 1 ĺ 0.
Ring back time (Ring Back) is changed
from 30 to 10.
6 Press the MENU key. MENU
The menu window is indicated. And the
“OK” is highlighted.
7 Press the ENTER key. ENTER
Ring back time is memorized, and the top
screen window is indicated.
Note:
• The settable alarm resume time is 1 to 99 minutes. The buzzer would not reset if the reset time is set
in 000.
• It is recommended to set the alarm resume time when the freezer is not under alarm condition. The
new setting is effective on the next alarm condition. The setting cannot be changed during power failure.
• The remote alarm during power failure or buzzer and remote alarm during alarm test cannot be silenced.
• The setting mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation. And, ring back setting value is not memorized.
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