Hi Satisfair,
Ken is correct re the Test/Normal switch when on test gives free play.
I would switch the Playmaker Mode switch to off that way your selections will not be interrupted by the playing of a random B side record ( this mode should only come into operation if a selection had not been made by the keyboard with the setting defined by the playmaker mode) this feature was used in sites to get the customers to play some descent music.
If your CCC has the Order of Play switch on site it would have been set to STD rather than As Selected to cut down the down time of scanning the mechanism (carousel) to find each record as it was selected.
This CCC was used on the R-84 through to the R-88 and included the RI-3 to RI-5 and CTI-2.
Regards
Alan Hood
ami-man
UK