Shack 12 150 Manual — Radio

Inside, the manual is surprisingly thorough. Unlike today’s "Quick Start Guides" that consist of three pictures and a URL, the 12-150 manual walks you through every aspect of the device.

The manual began with a standard checklist, reminding users to verify the driver, mounting screws, and (if purchased as a kit) the horn flair (12-151 for 90° x 90° dispersion). It warned users not to test the driver without attaching a horn, as doing so could damage the diaphragm due to lack of acoustic loading. Radio Shack 12 150 Manual

The manual highlights several design choices that make this a staple for emergency kits: Inside, the manual is surprisingly thorough

Do you still remember your two-digit code? reminding users to verify the driver