SMC Networks HRZD020-WS-WS Operation Manual page 65

Procedure for deleting alarm history data
1.
Touch the [Clear] key.
The "MESSAGE screen" is displayed.
2.
Touch the [YES] key.
Alarm history data deletion takes place.
HRZD Series
[Tips]
Alarm history data deletion is not performed when the [NO] key is touched,
which causes the "Alarm History screen" to be displayed.
HRX-OM-M005
Chapter 5 Product Operation
Figure 5-28 "Alarm History Screen"
Figure 5-29 "MESSAGE Screen"
5.3 Operation Screen
5-21