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Aeris A300 AI Manual

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A300 AI OPERATING MANUAL
© 2002 Design, 2011 Doc. No. 12-7265-r01 (12/28/11)
Battery Removal
• Remove the Retaining Bar located across the lower portion of the Battery (Fig. 108a).
• Remove the Cover O-ring (fig. 108b). DO NOT use tools.
It may have come off with the cover.
• Using care not to damage the Battery Contacts (Fig. 108 c, d), slide the Battery up and out of the right side of the Battery
Compartment.
DO NOT allow a metal object to short circuit the top of the Battery which is positive (+) to the negative
( - ) contact of the Compartment.
Inspection
• Closely check all of the sealing surfaces for any signs of damage that might impair proper sealing of the Cover.
• Inspect the buttons, lens, and housing to ensure they are not cracked or damaged.
• Inspect the Cover O-ring for any signs of deterioration or deformity.
• Closely examine the inside of the Battery Compartment for any signs of corrosion indicating entrance of moisture.
WARNING: If damage, moisture, or corrosion is found, return your A300 AI to an Authorized AERIS
Dealer, and DO NOT attempt to use it until it has received factory prescribed service.
Battery Installation
• Slide a new 3 volt CR2450 Lithium Battery, negative ( - ) side down into the cavity of the battery compartment. Slide it in
from the right side (Fig. 109) and ensure that it slides under the contact clip on the left rim of the cavity.
• Orient the Retaining Bar across the lower portion of the Battery (as in Fig. 108) and carefully push it down into position.
• Replace the Cover O-ring with a new one which must be a genuine AERIS part* that can be purchased from an Authorized
AERIS Dealer.
O-ring replacement is highly recommended each time the Battery is replaced.
*Use of any other O-ring will void the warranty.
• Lightly lubricate the new Cover O-ring with silicone grease and place it on the inner rim of the Battery Cover (Fig. 110a),
and ensure that it is evenly seated.
• Slide the Cover Ring, top portion first (small opening), onto your thumb.
• Carefully place the Cover (with O-ring) into position on the rim of the Battery Compartment, then press it completely and
evenly down into place with your same thumb.
• Maintain the Cover securely in place (Fig. 111a), and using your other hand, slide the Cover Ring off your thumb and into
position around the Cover.
The tabs on the Ring fit down into the slots located at the 2 and 9 o'clock positions.
• Using your fingers, turn the Ring counterclockwise 5 degrees until the tabs engage, then tighten it 5 more degrees by turning
it counterclockwise with the aide of a small blade screwdriver or spanner tool (Fig. 112).
Testing
> Ensure that the LCD is clear and sharp in contrast. If any portions are missing or appear dim, or if a Low Battery condition is
indicated, return the A300 AI to an Authorized AERIS Dealer for evaluation before use.
> During 24 hours after completion of a dive, the graphic DATA with selections SAVE ? and CLEAR ? will be displayed (Fig.
113) giving you the option to retain or delete settings and Ni-O2 calculations for repetitive dives.
• A (< 2 sec) to toggle between SAVE and CLEAR.
• S (< 2 sec) to save the selection.
> Graphics DATA SAVED (or CLEARED) with CAL COMPASS appear for 3 seconds (Fig. 114), then operation reverts to the
Compass CAL screen.
> Calibrate the Compass.
Refer to page 38.
> Verify all Set Points prior to diving.
• Connect the A300 AI to the HP hose by coupling the HPQD, then pressurize the Regulator assembly.
• Verify that Pressure is displayed and that there are no air leaks.
Fig. 109 - INSTALLING
BATTERY
Fig. 111 - POSITIONING
COVER RING
a
Fig. 112 - TIGHTENING
COVER RING
Fig. 113 - SELECT ITEM
Fig. 114 - DATA HAS BEEN
SAVED
Fig. 108 - COVER REMOVED
a
c
b
Fig. 110 - COVER O-RING
INSTALLATION
… 43 …


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