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Portable
Touch-Tone Decoder
The new Hand Held 16 Digit Touch-Tone
Decoder with built in microphone, decodes touch tones from any on-air source, scanner or
cassette tape. It also has a line level input jack for decoding from any audio
source via 3.5 mm patch cord (not included). The resulting tape from your Telephone Recording System has many touch
tones that sometimes need to be identified. With the Portable Decoder, simply play the
tape and the numbers will immediately appear on the LCD.
LCD Display and built in Microphone.
Powered by 9 volt battery (not included).
Dimensions 5-1/2" x
2-7/8" x
1-1/8".
See
pttdspec.pdf for
complete details, including schematic and theory of operation. Requires
Adobe Acrobat Reader available at
www.adobe.com
for FREE!
View Users Manual in Adobe Format
pttduser.pdf
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