Operator`s manual
TABLE OF CONTENTS 
NOTICE TO HEALTH CARE PROVIDERS ........................................INSIDE FRONT COVER 
INTRODUCTION ......................................................................................... 1 
COMPONENT LIST ............................................................................................ 1 
ADDITIONAL ACCESSORIES ................................................................................ 1 
WARNINGS ................................................................................................ 2 
AUDIO VISUAL ENTRAINMENT (AVE) .................................................................. 2 
CRANIO-ELECTRICAL STIM (CES) ........................................................................ 3 
PRECAUTIONS ................................................................................................. 3 
WARRANTY AND CARE .............................................................................. 4 
RETURNING FOR REPAIRS .................................................................................. 4 
FOR UNITED STATES AND INTERNATIONAL CUSTOMERS .......................................... 5 
CARE AND MAINTENANCE ................................................................................. 5 
DISCLAIMER OF LIABILITY .................................................................................. 5 
THE DAVID EXPERIENCE ............................................................................. 6 
RECOMMENDED READING ................................................................................. 6 
ABOUT CES ................................................................................................ 7 
ICON DESCRIPTIONS .................................................................................. 8 
HEART RATE VARIABILITY (HRV) .............................................................. 10 
QUICK START (AVE) .................................................................................. 11 
SESSION CONTROLS ................................................................................. 12 
VOLUME ...................................................................................................... 12 
INTENSITY .................................................................................................... 12 
TONE SELECTION ........................................................................................... 12 
HEARTBEAT SELECTION ................................................................................... 12 
SAVING PREFERENCES .................................................................................... 12 
AVE OPERATING INSTRUCTIONS .............................................................. 13 
SETUP ......................................................................................................... 13 
POWER ....................................................................................................... 13 
TURN ON/TURN OFF ..................................................................................... 14 
BATTERY LEVEL ............................................................................................. 14 
SELECTING A SESSION ..................................................................................... 14 










