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Vol.8, No.6; June 1995 Contents FEATURES 4 Electronically-Controlled LPG System For Fuel Injected Engines It retains the fuel injectors & features an advanced electronic control unit for maximum performance – by Julian Edgar 86 Review: The Audio Precision One Analyser Computer-controlled audio test set is fully automated – by Bob Flynn SATELLITE TV RECEIVER – PAGE 16 PROJECTS TO BUILD 12 Build A Satellite TV Receiver; Pt.2 It’s based on a pre-aligned tuner module to make assembly easy – by John Clarke 26 A Train Detector For Model Railways This circuit detects trains even when no track voltage is present & uses easy-to-obtain parts – by John Clarke 34 A 1-Watt Audio Amplifier Trainer Build it as an ideal introduction to electronics – by John Clarke 56 A Low-Cost Video Security System It’s based on a low-cost CCD camera & a surplus computer monitor. You build the interface card – by Leo Simpson LOW-COST VIDEO SECURITY SYSTEM– PAGE 56 62 Build A digital Multimeter For Only $30 You buy it as a kit & put it together in a couple of hours – by Leo Simpson SPECIAL COLUMNS 40 Serviceman’s Log Faults that don’t obey the rules – by the TV Serviceman 72 Remote Control A multi-channel radio control transmitter for models; Pt.1 – by Bob Young 76 Vintage Radio The 5-valve Darelle superhet receiver – by John Hill DEPARTMENTS 2 Publisher’s Letter 25 Mailbag 53 Order Form 44 Bookshelf 54 Circuit Notebook 82 Product Showcase 91 Ask Silicon Chip 94 Market Centre 96 Advertising Index BUILD THIS DMM FOR ONLY $30 – PAGE 62 June 1995  1