Phcbi MDF-DU300H, Руководство по эксплуатации

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SETTING OF RINGBACK OF ALARM BUZZER
The alarm buzzer operates again after certain period (ringback time) even if the alarm buzzer is silenced
by pressing the alarm buzzer stop key (BUZZER) when the same alarm status is continued. Set the
ringback time to prevent the misidentify the alarm status.
 Setting range of ringback time: between 10 and 60 minutes (10 minutes interval)
Display of setting: between 010 and 060 (000 display shows no ringback)
 Initial setting (factory setting): 30 minutes
The alarm buzzer will not recover once the alarm buzzer is silenced by pressing the alarm buzzer stop
key (BUZZER) when the ringback time is set to 000. However, the alarm buzzer will operate if other
alarm status is detected.
Example: Change the ringback time to 20 minutes from 30 minutes
► Following shows a sample setting. Set the desired ringback time according to the condition of use.
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 to F25 with the numerical value
shift key and digit shift key..
When pressed, the changeable digit
is shifted.
When pressed, the figure of settable
digit changes.
4 Press set key. SET
The current setting (030) is displayed
and the second digit blinks.
5
Set to 020 with the numerical value
shift key. When pressed, the figure of settable
digit changes.
6 Press set key. SET
Ringback time is memorized and
the current chamber temperature is
displayed.
 The setting mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation (auto-return function). In this case, the setting is not accepted.