LB Altimeters ALFA Manual

Also see for ALFA: QUICK START & ROAD MAP Manual

Contents

LB Altimeters ALFA Manual Manual pdf 14 page image

ALFA - Rev. 1.15 Page 14 of 18MAINTENANCER eset A LFAA reset may be necessary for troubleshooting and firmware verificationLocate the small hole on the side of the battery coverInsert a paper clip or similar into hole, press and releaseBattery system calibratesThe firmware version will be displayed after resetB attery Ch an geOnly use Renata CR-2325 batteries (2 ea.)Battery cover screw specs: M3/T6 head (4.5mm length)Remove the screws and battery coverRemove both batteries and note the polarityInstall 2 new batteriesInstall battery cover, and ensure rubber seal is in correct placementPlace and tighten screws, using a torque screwdriver set at0.8 NmRestart ALFAafter battery changeto calibrate battery systemAll settings and logbook is kept in a non-volatile memory and will not be lost, however time may need to be set again after battery changeWARNING: The battery cover and seal must be installed correctly, using correct screws and torque, before any water jumps are madeA ir Filter Ch an geThe ALFA is waterproof to a depth of 5 feet, for 24 hoursIf the ALFA is submerged into water, allow the unit and air filter to dry in a warm place for 48 hoursThe air filter must be replaced if jumping is to be resumed immediately, or if the air filter is suspected to be contaminatedRemove the screws and battery coversRemove air filter from battery coverInstall new air filter into battery coverInstall battery cover, and ensure rubber seal is in correct placementPlace and tighten screws, using a torque screwdriver set at0.8 NmRestart ALFAafter air filter changeto calibrate battery systemAir filter, and filter removal tool, are accessories that can be purchased separatelyTro u b le Sh o o tin gIf the ALFA detects an issue, an error symbol is shown (ERR) with a number at the top of the screenError codes:1: Transducer defective2: Transducer out of range3: Transducer Time Out too long4: Crystal defective5: Communications error to flash100: Flash defectiveAlways restart ALFAto attempt to remedy a single ERR codeIf the ERR code persists, then also perform battery changeAfter unsuccessful restart of the ALFA, a Factory Reset is necessary:Press and hold during reset, to perform Factory ResetWARNING: All logbook data will be lost with Factory ResetIf the ALFA is still faulty after Factory Reset, it must be serviced by an LB Altimeters Service Center