Cal. No. F158
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Time/calendar is abnormal.
Time/calendar is incorrect.
Below may be possible causes. Try the following remedies in sequence.
| Cause | Remedies |
|---|---|
| The world time setting is incorrect. | Check and correct the world time setting. |
| The summer time setting is incorrect. | Check and correct the summer time setting. |
| Time adjustment is not executed for a certain time. | Receive satellite signals to adjust the time and calendar. |