When General recall, RC boat will displayed First Substituteflag plus Two sound signal.
全体召回时，竞委艇升起代一旗并发出音响信号二声。
2
But the flag raised at the opening ceremony of the Olympics is only a substitute. The host city treasures it after it receives the flag.
但在奥运会开幕式上升起的那面旗只是一面代用品，主办城市接旗后都把它珍藏起来了。
3
Yellow Flag must be hauled up for vessels from foreign countries daytime and be hauled down only after free pratique granted. Three red lights should be switched on during nighttime as substitute.