Panasonic FP7 Series Command Reference Manual page 605

12.1 HMSS (Conversion: Time Data (Hours, Minutes and Seconds) →
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Flag operations
Name Description
SR7 To be set in the case of out-of-range in indirect access (index modification).
SR8
To be set when the time data range is exceeded.
(ER)
WUME-FP7CPUPGR-12
Seconds Data)
12-3