Dear Sean/Jose

It's nice of you to reply to the suggestions; However I was curious in
your response to my comments, about the significance of the bingo caller
being a young lady?

> Geoff

>>My guess is the only simple, cheap solution to this problem is the
>>humble
>>numeric keypad that the bingo ball operator uses to key in the number.

>The problem is that the operator (who will be a young lady) who extracts
>the ball, announces the number through the microphone and lights the
>corresponding digit on a panel by pushing the right button.Consider the
>case that a ball appears and she announces a different number than is on
>the ball and lights a different light on the panel. We try to avoid such
>errors by automating the process.