
Page 7
Doc. 13301-Tec-RevB (2022-05-25)
Technical Modes
Operating Instructions
2.3. Buttons
Two titanium piezo-electric buttons are used to
change settings and view menus�
All Perdix 2 operations are simple single button
presses�
MENU (left)
button
Button Hints
When in a menu, button hints indicate the function of
each button:
In the example above, the hints tell us:
• Use MENU to change the brightness value
• Use SELECT to save the current value
Don’t worry about remembering all the button rules
below� Button hints make using the Perdix 2 easy�
SELECT (right)
button
SURFACE
hr mn
15
Save
Brightness Med
Change
2
0
DEPTH TIME
1.2
PPO2
MENU hint
SELECT hint
MENU (Left) button
From main screen
Brings up menu
In a menu
Moves to the next menu item
Editing a setting
Changes the setting’s value
SELECT (Left) button
From main screen
Steps through info screens
In a menu
Performs command or starts
editing
Editing a setting
Saves the setting’s value
BOTH BUTTONS
When Perdix 2 is off pressing MENU and SELECT
at the same time will turn the Perdix 2 on� No other
operation requires pressing both buttons at the same
time�