Tusa ZEN - Page 7

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CONTENTS (continued)
GAUGE OPERATING MODE ......................................................................................................................................... 95
DIGITAL GAUGE MODE ........................................................................................................................................... 96
FREE DIVE OPERATING MODE ................................................................................................................................... 99
FREE SURFACE MAIN AND ALT ............................................................................................................................ 100
FREE COUNTDOWN TIMER (CDT) ....................................................................................................................... 102
SET FREE CDT ....................................................................................................................................................... 103
FREE ELAPSED DIVE TIME (EDT) ALARM .......................................................................................................... 105
SET FREE EDT ALARM .......................................................................................................................................... 105
FREE DEPTH ALARMS (DAs) ................................................................................................................................ 106
SET FREE DAs ........................................................................................................................................................ 106
FREE DIVE MAIN AND ALTs ................................................................................................................................... 108
FREE DIVE ALARMS .............................................................................................................................................. 109
REFERENCE ................................................................................................................................................................. 113
CARE AND CLEANING ........................................................................................................................................... 114
INSPECTIONS AND SERVICE ............................................................................................................................... 114
BATTERY REPLACEMENT .................................................................................................................................... 115
ALTITUDE SENSING AND ADJUSTMENT ............................................................................................................ 119
CHARTS OF NO DECOMPRESSION LIMITS AT ALTITUDE ................................................................................ 120
CHART OF OXYGEN EXPOSURE LIMITS ............................................................................................................ 121
ERROR (RESET) DURING A DIVE ......................................................................................................................... 122
SPECIFICATIONS ................................................................................................................................................... 123
TUSA INTERNATIONAL .......................................................................................................................................... 130
INSPECTION/ SERVICE RECORD ......................................................................................................................... 131