1 / 15

Taking Cave Rescue Telephones Forward

WHY? Single-wire field telephones remain the most reliable and straightforward comms tool for cave rescue in Wales. The 1988 version. Second-hand BT 4T" earpieces as mic/spkrDPDT toggle switch for PTT functionSTDT toggle switch for on/off9 volt PP3 batteryNo call tone facilityPCB potted but s

aphrodite
Download Presentation

Taking Cave Rescue Telephones Forward

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    More Related