Suunto D4 User Manual page 16

Table 3.1. Button symbols and functions
Symbol Button
MODE
MODE
SELECT
UP
DOWN
Press Main functions
Switch between main modes
Short
Switch from submode to main mode
Activate backlight in DIVE mode
Long Activate backlight in other modes
Select a submode
Short
Select and accept settings
Displays Day History in FREE mode (free dive mode)
Toggle between alternative displays
Short
Change submode
Increase values
Change shortcuts in TIME and DIVE modes
Toggle between alternative displays
Short
Change submode
Decrease values
Change shortcuts in TIME and DIVE modes
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