Answer :
Final answer:
The delay between the entry of a valid access code on a cabin keypad and the door unlocking can range between 5 to 60 seconds based on the system's settings. The door can unlock immediately or after an additional delay.
Explanation:
The exact delay between a valid access code being entered on the cabin keypad and the unlocking of the door can vary. For instance, option (A) suggests a delay of 5 seconds, with the door unlocking immediately. On the contrary, options (B) explains a delay of 15 seconds, and the door then unlocks after 30 seconds. Meanwhile, (C) illustrates another scenario where the delay is 30 seconds, but the door unlocks right away. Lastly, in situation (D), the longest delay is described - 60 seconds, and then the door unlocks after a further 5 seconds.
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