What are the features of the Casio G-Shock GA-100 and how can you switch between them? The GA100 has 5 modes: local time, stopwatch (STW), countdown timer (TMR), world time (WT) and alarm (ALM). Switches between modes using the (MODE) button. From the last mode, you get back to the first.

Troubleshooting Module No. 5513 G-SHOCK - Support - CASIO Troubleshooting Q1 I've never been able to establish a (pairing) connection between the watch and phone. I can't reconnect the watch and phone. Q1 The watch will not re-connect with the phone after they are disconnected.
SOLUTION. To get your controller working again, it's important to give it a good clean and make sure it's completely dry. Start by taking the controller apart and getting rid of any liquid or moisture you can see. Use a dry, clean cloth to absorb any remaining moisture. Once that's done, reassemble the controller and let it air dry Changing the Time. Push the MODE button three times when the watch is in timekeeping mode. You will pass through the stopwatch and alarm modes of the watch and get to the timekeeping mode, but with seconds blinking. Push the MODE button to highlight hours. Push the START button to change the hour value.
The Casio G-Shock GWM850-1 has a weight of 56 g. The product can still be used safely after proper cleaning. Remove the battery with gloves and clean the battery compartment with a toothbrush and vinegar. After drying, new batteries can be inserted into the device.
The size and weight of the GB-6900 — about 50 x 50mm (2 x 2 inches) and 64 grams (2.26 ounces) tend toward the big-and-heavy end of the G-Shock spectrum, but not overly so. It only outweighs the iTqW. 143 216 50 470 286 365 89 121 44

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