Casio Dual Time Illuminator - stop it beeping on the hour

Deron, Check the attached links,manual,instruction and guides, Good luck .
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Casio 91W User Guide Quick guide to set the time and use all the functions
How do you turn off hourly beep on casio 91w
Casio F91W Module No 593 Watch

You can download the manual from the link below. The information you requested can be found on page 2 (left column).
http://support.casio.com/en/manual/009/qw3768.pdf

From memory you either press the A + C buttons at the same time or it will give you the option to turn it off during the time setting function. Most Casio instructions are available online through Casio

I have the answer how to stop the hourly beeping on watch f91w you press c button on left bottom and right button at same time as pressing left bottom button and that will remove the alarm pic at top and it will then turn off the hourly beeping. About the watch f91w.

http://world.casio.com/wat/download/en/manual/

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There are so many aplications use of the manual will be manditory.

Use the four numbers on the back of your watch and you will have a PDF version of your instruction manual.

Hope this tip helps
R/
David
http://antiqueclock.clockstop.com/

http://world.casio.com/wat/download/en/manual/

Use the four numbers on the back of your watch and you will have a PDF version of your instruction manual.

Hope this tip helps.

R/
David

Hold down all four buttons to reset the watch. My time didn't reset but the beeping FINALLY stopped.

Not a direct solution but you can get the electronic manual for free from http://world.casio.com/wat/download/en/manual/

Hold down the "Adjust" button (top left) for three seconds. It won't adjust unless you hold the button down.

Press "Mode" (bottom left) to change what you're adjusting, seconds, hour, minute.

Press the top right and bottom right buttons to adjust the number up and down.

Press "Adjust" again when you're done setting the watch.

To change date, alarm, alternate time, etc, press "Mode" to get to those functions before hitting "Adjust."

I hope that helps.

I used the online CASIO web site to locate the appropriate manual and followed directions. Use the bottom left (C) button of the watch to keep pressing between the various modes until I was in the ALARM Mode. Then PRESS the upper right (B) button to toggle the DAILY ALARM and HOURLY CHIME to "OFF", "DAILY", "HOURLY" and "BOTH" on/off.

http://ftp.casio.co.jp/pub/world_manual/wat/en/qw1950.pdf

http://support.casio.com/manual.php?rgn=1&cid=002