Suunto D9 Instruction Manual page 22

Long continuous push (> 2 sec.):
To activate the electroluminescent backlight in the other modes
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Select (S) Button
Short push:
To select a sub mode
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To accept the settings in the Setting Mode
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To select the active segment in the Setting Mode
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To switch page the Logbook Mode
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To lock a bearing in Compass mode
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To make special bookmark in the profi le memory during a dive.
•
Long continuous push (> 2 sec.):
To activate the Compass in the Watch and Dive mode.
•
Up (UP) Button
Short push:
To toggle between date, second or dual time display in the Watch mode.
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To change submode
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To increase the value in the Setting Mode
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To change dive in the Logbook Mode
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To toggle between Dive time, Compass heading, Temperature, PO2, OLF%,
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and dive number in Dive and Compass modes
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