delay timer การใช้

In the United States many B . F . Electronics delay timers were sold Nationwide.
If a beacon arrives before the random delay timer has expired, the station cancels the pending beacon transmission and the remaining random delay.
Each station calculates a random delay uniformly distributed in [ 0, w ] and is scheduled to transmit a beacon when the delay timer expires.
The plan was to drop a team of saboteurs by parachute; they were to break into the transformer station, attach bombs and incendiaries with delay timers.
These modes typically turn off the electronic displays, disable oven and refrigerator lights that turn on automatically, and utilize delay timers that allow for permitted temperature controls.