TOY-0047 - Dual-Tone Multi - Fequency Signaling module

I m looking for the User Manual for my TOY-0047 - Dual-Tone Multi - Frequency Signaling Module I just purchased. The docs I received with the purchase was just a product description sheet and a data sheet for the integral chip.
2015-06-19 22:21:48 hey
all the manuals could be find below the product page: https://www.dfrobot.com/index.php?route= ... YO0RPkQjj8
Leff
all the manuals could be find below the product page: https://www.dfrobot.com/index.php?route= ... YO0RPkQjj8
