INSTRUMENT BOOT NOTE: The Installation Procedures for the Navcon and Combo style INSTALLATION/REMOVAL INSTRUCTIONS Consoles is similar. Install the Dive Computer first, then the Pressure Gauge, then the Compass (or Slate). REMOVAL OF INSTRUMENTS FROM WRIST BOOTS: INSTALLING INSTRUMENTS IN NAVCON OR COMBO BOOTS: Peel the lips of the Boot downward off the Module while applying pressure from underneath, working the Module out slowly.