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6.4.3 ACD (Alarm Acknowledge Delay)
If the alarm condition persists for more time, user can deactivate the buzzer by acknowledging
it. The alarm can be acknowledged by pressing
“
Function
”
and
“
Enter
”
key
simultaneously. The
buzzer will be deactivated for Alarm acknowledge delay time.
Alarm acknowledge Delay time is preset with 1 hour. The user can read alarm acknowledgement
delay by following the sequence shown in figure 13.
Figure 13 Alarm Acknowledge Delay
# ASH, ASL and ACD are Preset and range for HR and MN is 00 to 23 and 00 to 59, respectively.
6.4.4 HST (History Menu)
The user can see the history data of min/max values for last 30 days using history menu. In this
menu, the user can choose the history days option from 01 - 10, 11 - 20 and 21 - 30 days as shown
in figure 14.
Note:
➢
History menu terminates automatically if the data is not available to display.
➢
E.g., If we started the data logger just before 3 days, then history data should be shown only for
last 3 days and History menu terminates followed by showing current temperature.
➢
If the data logger is started less than 24 hours back, History menu gets terminated without
showing any min/max data, as there is no history data to be displayed.
