The main HF Fleet receiver from the mid 1960's and fitted in all ICS 2 ships [STANDARD 3C].  It was also fitted into Mixed Fits and thus into STANDARD 3D ships. After the introduction of the FTA is became the main Fleet receiver capable of receiving all frequencies.

Click here CJM.pdf  for a description, and here 

Click to enlarge

for a picture.

See also the 'COMIST/ICS' scuttle in the TRANSMITTER section matrix.