The call button that designates the up direction shall be located above the call button that designates the down direction. Exception: Reserved....
Search Results "Down Direction"
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11B-407.2.1.4 Location
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11B-407.2.2.3 Audible signals
Audible signals shall sound once for the up direction and twice for the down direction, or shall have verbal annunciators that indicate the direction of elevator car travel....