Question about Casio Watches

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After change the battery for my Casio AQF -100,how to find the AC and - points to reset the watch? Thanks

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  • Casio Master
  • 531 Answers

Https://support.casio.com/en/manual/manuallist.php?cid=009

Enter the 4 digit caliber number on the back of your watch

Posted on Aug 26, 2018

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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upajos
  • 24 Answers

SOURCE: please help me to replace battery on my casio F-91W

This reset trick works with other Casio Alarm Chrono digital watches, such as my old Model W-720, similar to your F91-W. After the new lithium coil cell is installed and secured with the spring clip, the watch may show random segments in the LCD display or may simply be blank. Insert a sewing needle, paper clip, or blade of a small jeweler's screwdriver into the hole on the back of the movement stamped "AC" (All Clear) to momentarily connect the gold plated contact at the bottom of the hole to the stainless steel battery clip. The battery clip in most such Casio watches is connected to the "+" terminal of the coin cell. This will reset the CMOS chip and it should start up with the watch displaying 12:00 and the date at 1-1. Then, use the control buttons to set the time and date in the normal fashion.

Posted on Oct 29, 2008

escapement
  • 2338 Answers

SOURCE: Battery Replacement

Do not lay the tweezers across any contacts as you may damage the watch.
First you need to examine your watch movement and find an AC point (contact). It is embedded on movement. Use an eyeglass, as the writings can be very tiny.
When found, touch an AC point with one arm of tweezers and battery+ with another arm simultaneously.
Some watches needs to do that twice, so, to be sure, do that twice.
If you are not comfortable with tweezers, you can use a thin wire, connecting one end of the wire to AC point and another to battery+.
Each shortcut should last for 3 seconds.

Do not forget to rate, please.

Posted on Jan 27, 2009

escapement
  • 2338 Answers

SOURCE: Battery Replacement

Do not lay the tweezers across any contacts as you may damage the watch.
First you need to examine your watch movement and find an AC point (contact). Use an eyeglass, as the writings can be very tiny.
When found, touch an AC point with one arm of tweezers and battery+ with another arm simultaneously.
Some watches needs to do that twice, so, to be sure, do that twice.
If you are not comfortable with tweezers, you can use a thin wire, connecting one end of the wire to AC point and another to battery+.
Each shortcut should last for 3 seconds.

Do not forget to rate, please.

Posted on Feb 10, 2009

escapement
  • 2338 Answers

SOURCE: new battery can not reset watch CASIO #2735 Atomic wave ceptor

Did you try this?:

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

Rate, please.

Posted on Mar 28, 2009

  • 8081 Answers

SOURCE: Casio Waveceptor 2734 WVA-105H watch not working

You can use the manual to manually reset the time. After you succeed in setting UK time zone, wait until midgnigth: it should synchronize itself with the time signal from Germany. If unsuccessful to do so, it will keep attempting to synchronize itself at 1, 2, 3, 4, and 5.

Read the manual to figure out how to place the watch on a window sill. It might be better to be outside.
Keep in mind that the success of the operation depends on meteorological conditions.
Good Luck.

Posted on Feb 05, 2010

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Those batteries are compatible. The reset isn't working right. You may need to send the watch in, or take it to a repair shop that is familiar with that watch. You can probably find one in any large mall...

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this video is only an example as to what to do hope this helps you..
http://www.youtube.com/watch?v=ogCz2vjUKVg

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The battery on my Casio Waveceptor watch - model 4723 - has just been replaced, but the jeweller did not know how to reset it to the correct time. I have downloaded the user operations guide, but the watch...


Your watch probably needs a reset after the battery change.
Take the back off the watch. Examine the movement carefully - you should find a small electrical contact point marked 'AC' (which could be quite small). To perform a reset you will need to temporarily connect 'AC' to the '+' terminal of the battery (basically, the upper side of the battery). If you have some fine point tweezers they are ideal, but a bent paper clip (not a plastic coated one) will do.
Be very careful not the make metal contact with any other part of the movement!
Place one end of the paper clip on the 'AC' contact and, for 3 seconds, place the other end on the battery '+'. As watches sometimes need to be reset twice, there's no harm in repeating the operation while you have the back off the watch.
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Hope this helps.

Aug 29, 2017 | Casio Watches

1 Answer

I have a Casio DBC-60. I changed the battery because was not working for long time, but the watch stil is not working


This is an old problem, but maybe this will help someone changing a battery on a Casio. Many Casio watches must be "zeroed out" by putting an pointed tweezers between the back of the battery and the AC terminal off to the side of the battery. On my old Casio Telememo 50, the AC terminal is in a very small hole just above the battery. On the Baby G force, it was in a wider opening, way at the edge of the watch. It has something to do with resetting the watches circuitry so it will operate again. Good luck!

May 14, 2009 | Casio Watches

1 Answer

How do I rest my Casio PAG-40 after I replaced the batteries?


You need to shortcut AC point and battery. Take tweezers and touch AC and battery (+) simultaneously. Use an eyeglass to find AC point. It is marked on the movement with letters AC.
Here is the link for easy watch setting:

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

Rate me, please.

Apr 04, 2009 | Casio Watches

2 Answers

Battery Replacement


Do not lay the tweezers across any contacts as you may damage the watch.
First you need to examine your watch movement and find an AC point (contact). Use an eyeglass, as the writings can be very tiny.
When found, touch an AC point with one arm of tweezers and battery+ with another arm simultaneously.
Some watches needs to do that twice, so, to be sure, do that twice.
If you are not comfortable with tweezers, you can use a thin wire, connecting one end of the wire to AC point and another to battery+.
Each shortcut should last for 3 seconds.

Do not forget to rate, please.

Feb 10, 2009 | Casio Twincept Databank ABX238BV Wrist...

1 Answer

ABX-66


On most casio watch you can see AC (all clear) point , youy need to resset clock connecting this point with + on battery about 5 sec.

I have same problem but on my watch I do not see AC point. :)

regards
ststefan

Aug 14, 2008 | Casio Twincept Databank ABX238BV Wrist...

2 Answers

Please help me to replace battery on my casio F-91W


This reset trick works with other Casio Alarm Chrono digital watches, such as my old Model W-720, similar to your F91-W. After the new lithium coil cell is installed and secured with the spring clip, the watch may show random segments in the LCD display or may simply be blank. Insert a sewing needle, paper clip, or blade of a small jeweler's screwdriver into the hole on the back of the movement stamped "AC" (All Clear) to momentarily connect the gold plated contact at the bottom of the hole to the stainless steel battery clip. The battery clip in most such Casio watches is connected to the "+" terminal of the coin cell. This will reset the CMOS chip and it should start up with the watch displaying 12:00 and the date at 1-1. Then, use the control buttons to set the time and date in the normal fashion.

Aug 14, 2008 | Casio F91W-1 Wrist Watch

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