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Summary of Contents for LB Altimeters ALFA
- Page 1 ALFA™ MANUAL...
- Page 2 WARNING The ALFA™, even when used as your primary means of maintaining altitude awareness, may fail. Always use your eyes to determine your approximate altitude. Altimeters may give erroneous readings if you are tumbling or the altimeter is in a burble (wake).
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Page 3: Table Of Contents
Settings............... 6 Automatic Off ............ 14 PERFORMING ACCESS ........6 MAINTENANCE ..........15 Quick Buttons ............. 6 Reset ALFA™ ........... 15 Logbook and Jump Info ........6 Battery Change..........15 Settings............... 6 Air Filter Change..........15 QUICK BUTTONS ..........7 TROUBLESHOOTING ........ -
Page 4: Introduction
INTRODUCTION The ALFA™ is the most high-end, accurate, and reliable visual digital altimeter developed by LB Altimeters to date. The ALFA™ software includes second-to-none error correction to ensure correct live altitude readings in any application Features Functions ■ Large high contrast, non-flicker, LCD display ■... -
Page 5: Altitude Window
Altitude window Shortly after take-off, the ALFA™ will enter Flight Mode. The main window will automatically display the current altitude when entering Flight Mode.The displayed altitude increments (feet / meter) depend on the current altitude. 0-990 1.000-9.990 10.000 and above... -
Page 6: Menu Overview
MENU OVERVIEW The ALFA™ menu system consists of 3 separate areas, which include the following (use road map for reference). Quick Buttons Logbook and Jump Info Settings ■ Turn ON unit ■ Daily Jump Counter ■ Year ■ Altitude Offset ■... -
Page 7: Quick Buttons
Note: If using Altitude Offset during flight use the aircraft altimeter for reference. Note: When performing an Altitude Offset, the ALFA™ enters Flight Mode and will retain any offset for 14 hours if no jump is made. After 14 hours the unit will calibrate itself to the field elevation where it is... -
Page 8: Ir Mode
To enable/disable the backlight, press and hold for 5 seconds. The backlight will turn off automatically after 10 minutes, if ALFA™ is not in Flight Mode. The backlight will remain on while ALFA™ is in Flight Mode. Note: If an Altitude Offset is present, the backlight will stay on until the Altitude Offset is cleared by a jump, times out (14 hours), or the unit is restarted. -
Page 9: Logbook And Jump Info
Perform ACCESS to enter the first entry of Logbook and Jump info. Press to scroll through all the entries. ALFA™ exits Logbook and Jump info if no button is pressed within 15 seconds after ACCESS. Daily Jump Counter Displays daily jump counter individual dates. -
Page 10: Average Freefall Speed
Note: Freefall time must be a minimum of 6 seconds to store a speed profile. Exit Logbook and Jump Info is flashing. Allows manual exit from menu. Press to exit from menu. Press to start from the beginning. ALFA™ MANUAL Rev. 2.00, April 2024... -
Page 11: Settings
Window, press and hold for 5 seconds to access Settings. Press to scroll through all settings. ALFA™ will exit Settings if no button is pressed within 15 seconds after performing ACCESS. Year Sets current year. Press to select next year. -
Page 12: Units - Altitude
WARNING: If the counter is set at ‘19’, cannot be used to scroll through settings and will delete the entire logbook. Once deleted, the logbook data is lost. Press to continue. ALFA™ MANUAL Rev. 2.00, April 2024... -
Page 13: Turn Off
Turn off Turns the ALFA™ off. To avoid unintentionally turning the ALFA™ off, the counter at the top of the screen must be set to ‘5’ Press to match counter to ‘5’ Press to accept turning ALFA™ off. Warning: If the counter is set at ‘5’, cannot be used to scroll through settings and will turn ALFA™... -
Page 14: Functionality
Automatic Calibration / Flight Mode After the ALFA™ is turned on, it will continue to automatically calibrate itself to the field elevation where it is currently located. This will continue after each jump / landing, to ensure the unit is always zeroed before jumps are made and will take into account weather related pressure changes. -
Page 15: Maintenance
The ALFA™ is waterproof to a depth of 5 feet, for 24 hours. If the ALFA™ is submerged into water, allow the unit and air filter to dry in a warm place for 48 hours. The air filter must be replaced if jumping is to be resumed immediately, or if the air filter is suspected to be contaminated. -
Page 16: Troubleshooting
TROUBLESHOOTING If the ALFA™ detects an issue, an error symbol is shown (ERR) with a number at the top of the screen. Error codes: Transducer defective Transducer out of range Transducer Time Out too long Crystal defective Communications error to flash 100: Flash defective Always restart ALFA™... -
Page 17: Specifications
SPECIFICATIONS Mechanical: Casing: Rugged and precision machined aircraft aluminum Screen glass: 2mm thickness - Hardened glass lens Dimensions: 64mm x 44mm x 15mm Weight: LCD viewing area: 34mm x 29.5mm Backlight intensity steps: ALTISET II™ IrDa compatible: Altitude Adjustment: Altitude in mbar offset: Altitude mbar offset range: 200 to 1075 mbar (20,67 to 31,74 In Hg) Present mbar steps:... - Page 18 Electrical and electronic equipment (EEE) and materials can be dangerous or hazardous to either health or the environment and must be disposed of correctly. Device must not be disposed of as general household waste but must be collected separately. ALFA™ MANUAL Rev. 2.00, April 2024...
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Page 19: Warranty
WARRANTY The following conditions apply to the ALFA™ warranty: If within 24 months of the purchase of ALFA™ a defect or damage is identified by faulty manufacture, LB ALTIMETERS will repair the unit at no cost to the end user.
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