FWIW, Another scan for IRL-1000 and also one for IRL-500 are on my manuals page along with HAL, Dovetron, Frederick, Info-Tech, etc scans. 
https://www.navy-radio.com/manuals-ttycorp.htm
Cheers
Nick K4NYW 


On Tue, Apr 4, 2023 at 12:18 AM Harold Hallikainen via GreenKeys <greenkeys@mailman.qth.net> wrote:
Thanks to Lawrence Godek for the paper copy. The IRL FSK-1000 manual is
now available at https://w6iwi.org/rtty/IrlFsk1000.pdf . The schematic was
across several pages. I've pasted them back together using GIMP. Some
misalignment, but I think it's readable.

Harold
https://w6iwi.org

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