Is there a device made to signal tech team to advance a screen to the next slide? Don't want electronic remote

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2007-02-05 03:12:53 · 2 answers · asked by Anonymous in Consumer Electronics ➔ Other - Electronics

Your hand
Your voice ("next")
A walkie talkie
A flash light
It all depends, how far you are and how discreet you want to be

2007-02-05 03:52:57 · answer #1 · answered by TV guy 7 · 0⤊ 0⤋

Arrange a discrete signal, like every time you touch your elbow.

2007-02-05 13:26:13 · answer #2 · answered by Steve71 4 · 0⤊ 0⤋