The indicated heading should not be relied on ___. A: until the gyrocompass has settled B: Until the "Ready “lamp will be lit C: When the alarm is generated D: When the red "power” lamp RCU illuminates

Which statement about the gyrocompass is FALSE（）. A: Its accuracy remains the same at all latitudes B: It seeks the true meridian C: It can be used near the Earth's magnetic poles D: If an error exists，it is the same on all heading