Manual inflation handle for slide?

Date:         25 Jan 98 03:27:41 
From:         Joktan Lo <joktanlo@macau.ctm.net>
Organization: Macau CTM InterNetNews site
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There is a manual inflation handle for each aircarft door to inflate
the evacuation slide manually incase the slide could not be inflated
automatically after the door is opened.

1. Should the cabin crew pull the manual inflation handle once after
the door is opened to minimise the inflation time?

2. Or it depends on the type of the aircraft, 737, 747, A321 or A320?