唔知點算

維也納耐唔耐都會測試防空警報。而噚日特別一啲係防空警報演習。佢有一個特定節奏，意思係叫人趕返屋企收聽or收睇有關戰爭消息。另一個節奏係空襲完咗.  但係冇走難意識嘅香港人(嘅我)，又唔係呢度大嘅，完全分唔到邊個係邊個囉. 咁真係打到嚟時都唔知點算. 
Btw新聞報導話驚呢個演習會嚇親啲難民，喺演習期間喺火車站，難民營加派翻譯解釋。

Civil defence: siren test on 3 October 2015

The sirens of the Austrian civil defence system are tested on the first Saturday of October every year.

The general siren test is scheduled for 3 October 2015, when all public alert sirens throughout Austria will sound between 12 o’clock noon and 12.45. The "siren test" signal will be followed by the three official civil defence signals: "warning", "alarm" and "all clear".

Signals in detail

• approximately 12 noon: "siren test" signal - 15 seconds
• approximately 12.15 pm: "warning" signal - continuous, steady-pitch tone, three minutes
• approximately 12.30 pm: "alarm" signal - high-pitched wailing sound, one minute
• approximately 12.45 pm: "all clear" signal - continuous, steady-pitch tone, one minute

 www.wien.at