Specifications

500AI

TO SET: FO2 50% DEFAULT ON/OFF (described on page 35)

'ON' - FO2 value set point reverts to 50% after dives (must be set each dive)

'OFF' - FO2 value set point remains at the % set until changed or shut down

• press BOTH buttons simultaneously, while in Surface Mode

• FO2 50 appears with 'On', or 'Off', flashing (Fig. 19)

• press Select (Right) button to toggle between 'On' and 'Off'

• press Advance (Left) button to accept the setting displayed, and either -

• revert to Surface Mode (if this setting was changed), or -

• advance to Set:Audible Alarm (if this setting was not changed)

TO SET: AUDIBLE ALARM ON/OFF

'ON' - alarms will be sounded for all conditions as listed on pages 15 - 17

'OFF' - alarms are silenced, except for immediate danger (see page 16)

• press BOTH buttons simultaneously, while in Surface Mode

• press Advance (Left) button 1 time

• the Audible Alarm icon appears with 'On', or 'Off', flashing (Fig. 20)

• press Select (Right) button to toggle between 'On' and 'Off'

• press Advance (Left) button to accept the setting displayed, and either -

• revert to Surface Mode (if this setting was changed), or -

• advance to Set:Depth Alarm (if this setting was not changed)

Fig. 20 - Set Audible

Fig. 19 - Set FO2 Default