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Vo/.5, No.6. June 1992
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THIS MULTI-STATION headset
intercom is designed to provide
clear communications in highnoise environments. Find out how
to build it by turning to page 16.
FEATURES
42 SuperMac - Video Editing On the Small Screen by Darren Yates
It runs on any Apple Macintosh computer
53 What's New In Oscilloscopes? by Leo Simpson
A look at the latest models and their features
PROJECTS TO BUILD
SOLVE YOUR video dubbing
problems with this 3-way video
switcher. It's specifically
designed for use with camcorders
& VCRs. Details page 68.
16 A Multi-Station Headset Intercom by Marque Crozman
Build it for high-noise environments
24 lnfrared Remote Control For Model Railroads, Pt.3 by John Clarke
Third article completes the construction details
68 Video Switcher For Camcorders & VCRs by John Clarke
Let's you dub from any of three video sources
82 Build A 15-Watt 12-240V Inverter by Darren Yates
Use it with telescope drives & camcorder battery rechargers
SPECIAL COLUMNS
6 Vintage Radio by John Hill
The basics of receiver alignment, Pt.3
32 Computer Bits by Paul Lynch
A look at hard disc drives
THE SERVICEMAN made a 3course meal out of a snack this
month. So what went wrong? The
story starts on page 36.
36 Serviceman's Log by the TV Serviceman
From a snack to a 3-course meal!
DEPARTMENTS
2 Publisher's Letter
4 Mailbag
41 News
61 Product Showcase
65 Subscriptions Page
66 Circuit Notebook
88 Back Issues
90 Ask Silicon Chip
92 Notes & Errata
93 Order Form
94 Market Centre
96 Advertising Index
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YOU CAN USE THIS 15W
12VDC-240VAC inverter with a
camcorder battery recharger or
to control a telescope drive
motor. Turn to page 82
JUNE
1992
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