Unpairing the Watch from a Phone
To unpair the watch from a phone, delete the pairing information from the GBA-400+ phone app, the phone, and the watch.
Deleting Pairing Information from GBA-400+
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1. If the watch is connected with a phone, hold down (B) for about 0.5 seconds to terminate the connection.
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2. In the upper right corner of the GBA-400+ top screen, tap to display the “Connection settings” screen.
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3. In “Previously registered watch”, tap the watch you want to unpair.
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4. Tap “Delete pairing registration”.
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5. Tap “Yes”.
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This deletes the pairing information from the GBA-400+ phone app.
Deleting Pairing Information from a Phone
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1. On the Home Screen, tap “Settings” “Bluetooth”.
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2. Next to “CASIO GBA-400”, tap .
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3. Tap “Forget this Device”.
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This deletes the watch’s pairing information from the phone.
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1. On the App screen tap: “Settings” “Bluetooth”.
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2. Tap next to “CASIO GBA-400”.
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3. Tap “Unpair”.
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This deletes the watch’s pairing information from the phone.
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4. Scroll the status bar downwards and open the notification panel.
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5. Tap (Bluetooth) to disable Bluetooth, and then re-enable it.
Deleting Pairing Information from the Watch
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1. Hold down the (C) button for about two seconds.
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2. Press (C) five times to enter the Setup Mode.
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[SETUP] will appear on the display followed by the watch device name.
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3. Hold down the (A) button for about two seconds.
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Deleting pairing information causes the message [NOT YET PAIRED!] to scroll from right to left on the watch display.
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4. Press (C) to return to the Timekeeping Mode.