OPERATING INSTRUCTIONS
Setting of alarm resume time
The alarm buzzer is silenced by pressing BUZZER key on the control panel during alarm condition (Initial setting 100: The remote alarm is 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 3 below.
The example in the table is based on the assumption that the desired duration is 30 minutes. Note: The duration is set to 100 (no alarm resume time) at the factory.
Table 3. Setting procedure (change to 30 minutes from no alarm resume time)
| Description of operation | Key operated | Indication after operation | ||||
1 |
| The current chamber temperature is |
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2 | Press the numerical value shift key |
| The first digit blinks. |
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| for about 5 seconds. |
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| Set to F25 with the digit shift key |
| The settable digit is shifted. | ||||
3 |
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| When pressed, the figure of settable |
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and numerical value shift key. |
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| digit changes. |
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4 | Press ENT key. | ENT | The current setting is displayed |
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and the first digit blinks. |
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| Set to 130 with the digit shift key |
| The settable digit is shifted. | ||||
5 |
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| When pressed, the figure of settable |
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and numerical value shift key. |
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| digit changes. |
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| Alarm resume time is memorized |
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6 | Press ENT key. | ENT | and the current chamber |
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| temperature is displayed. | ||||
•The settable alarm resume time is between 10 and 60 minutes with 1 minute increment. (The setting is 010, 111,
•The buzzer is ON when the resume time is changed in F25 while the resume time is counted (the buzzer is silenced by BUZZER key). The count of resume time is stopped.
•The setting cannot be changed during power failure.
•The set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation. In this case, any setting before pressing ENT key is not memorized.
•It is selectable whether the buzzer is in conjunction with the remote alarm or not when the buzzer is silenced by BUZZER key. (The remote alarm is not in conjunction with the buzzer by factory setting.)
•The remote alarm is activated in conjunction with the buzzer if the third digit “1” is set to “0” in the step 5 above
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