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ALTIMASTER SERIES
ALTIMETER
Owners Manual
40-06095-99
Issue F
Sport parachuting is a hazardous activity that can result in injury or death. An altimeter is a mechanical device and may
malfunction, even when properly designed, built, assembled, maintained and used. Do not rely upon an altimeter for your
safety. Your altimeter must only be considered as an aid when checking your altitude.
"The needle can stick during both ascent and descent – a visual cross reference with the ground should be used in
combination with the altimeter": USPA Skydivers Information Manual 8-5.03.C.2.
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Summary of Contents for Alti-2 Altimaster Series
- Page 1 ALTIMASTER SERIES ALTIMETER Owners Manual 40-06095-99 Issue F Sport parachuting is a hazardous activity that can result in injury or death. An altimeter is a mechanical device and may malfunction, even when properly designed, built, assembled, maintained and used. Do not rely upon an altimeter for your safety.
- Page 2 Replace or repair ANY defective, or deteriorated component parts. Check all altimeters and spare parts before each use. Never attempt to use equipment assembled by someone other than Alti-2 Inc, or an Alti-2 Inc approved service agent. Information supplied in this document does not substitute for a training course. You...
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Page 3: Theory Of Operation
An Altimeter is a mechanical device and may malfunction, even when properly designed, built, assembled, maintained and used. Failure to be aware of such malfunctions may result in serious injury or death. THEORY OF OPERATION Altimaster Altimeters do not measure altitude! The altimeter relies upon the relationship between air pressure and altitude (air pressure decreases as altitude increases, and vice versa), and the fact that this relationship does not change significantly during the time period taken to perform a normal skydive. - Page 4 DO NOT use this equipment unless you are on, or have passed an approved skydiving training course. Alti-2 Inc. highly recommends at LEAST one of the following be used as a backup device for your altimeter: • use more than one altimeter.
- Page 5 Altimeter Adjustment An altimeter is an AGL device sensing air pressure and needs to be adjusted to account for the following variable conditions: • Barometric Pressure • Drop Zone Altitude Adjustment for Barometric Pressure The capsule in the altimeter senses air pressure, therefore, an altimeter also needs to be adjusted to account for changes in barometric pressure.
- Page 6 0 ft MSL Airport elevation relative to DZ -5,000 ft Alti-2 Inc strongly recommends that you plan to pull higher on any skydive where this method has been used to calibrate your altimeter as a safety precaution. WARNING If the DZ elevation is lower than the airport, the airport elevation relative to the DZ is always a positive number.
- Page 7 Altitude Determination - Considerations for Safety Use other methods for determining your altitude It is HIGHLY RECOMMENDED to ALWAYS USE OTHER METHODS in addition to an altimeter to determine the current situation, use common sense, and act appropriately- Some methods are listed below: •...
- Page 8 Test your altimeter on the ground using an altitude test chamber. Compare your altimeter performance to other altimeters during the climb to altitude. Visit Alti-2, Inc. at various events throughout the United States for a free Calibration Check on your altimeter. Events are listed at www.alti-2.com Base jumping Altimaster altimeters are designed to be useful in the range of altitudes typically used by skydivers.
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Page 9: Maintenance & Servicing
MAINTENANCE / SERVICING Altimeter Alti-2 does not recommend that the user disassemble the altimeter. Special equipment is required for re-assembly. Unless specifically described here, all maintenance on your altimeter should be performed by Alti-2. NOTE: Disassembling your Altimaster voids all warranties. -
Page 10: Model-Specific Information
If it is damaged or you find that the calibration knob turns too easily or is difficult to turn, you should return the altimeter to Alti-2 for service. If the lens becomes scratched excessively, it will obscure your view of the needle and faceplate, you should return the altimeter to AltiI-2 for service. -
Page 11: Spare Parts
Chest mount The Altimaster II can be mounted on the chest using a U-Bracket Kit and a chest mount. The Altimaster II can also be mounted on a chest mount without the U-Bracket. To mount the Altimaster II on a pillow, or other similar chest mount, remove the hand mount and stitch the instrument to the pillow using the four small holes provided in the corner of the case Altimaster III... -
Page 12: Technical Specifications
Altimeters. The kit contains mounting screws, Cyalume light Retension Sleeve, and two mini-Cyalume light sticks. Check with Alti-2 Inc. for the part number for the Cyalume Retension Sleeve Kit applicable to your altimeter. Usage of this kit requires an Altimeter equipped with a U-Bracket or Wrist mount Kit. - Page 13 ® Altimaster is a registered trademark of SSE Incorporated used under license by Alti-2 Inc. -- VELCRO is a registered trademark of Velcro Ind. B.V. -- CYALUME is a registered trademark of American Cyanmid Company exclusively licensed to Omniglow Corporation.
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