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Warranty and Liability Statement---------------------------------------------
1. General Information------------------------------------------------------------------- 3
1. Description --------------------------------------------------------------------- 3
2. Models covered --------------------------------------------------------------- 3
3. Specifications ------------------------------------------------------------------ 4
4. Front Panel Description ------------------------------------------------------- 5
2. Operation -------------------------------------------------------------------------------- 6
3. Calibration Procedures ---------------------------------------------------------------- 7
1. Altimeter Calibration ---------------------------------------------------------- 7
2. Airspeed Calibration ----------------------------------------------------------- 10
4. Maintenance and Troubleshooting --------------------------------------------------12
1. Annual Maintenance ----------------------------------------------------------- 12
2. Troubleshooting ---------------------------------------------------------------- 12
PRESTON PRESSURE LLC
ALT-621/ASP-621
USER AND MAINTENANCE MANUAL
TABLE OF CONTENTS
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