Sony SLV-N51 Operating Instructions Manual page 22

_ Press t/'_ to set the month.
5 _ Press "_ to flash the day and press t/,_ to set
the day.
D_rg YEAR
6 Set the year, hour, and minutes in the same way as the day.
'lhe day of the week is set automatically.
7 _ Press OK or MENU to start the clock.
MENU
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Setting the clock