National Geographic NG752 SERIES, Инструкция по эксплуатации

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- Press push button A to start
the chronograph.
- Press push button B to
engage split mode. The
display will stop, but the
chronograph will keep
running.
- Press push button B and the
display will indicate the time
elapsed (total elapsed time
since the beginning of the
operation).
- Press push button B to
reengage split mode.
2) Split time function
D A
C
B
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