Pioneer PD-41 Service Manual page 24

PD-41, PD-93700
Key name Function in test mode Explanation
TRACK REV Carriage reverse Moves the pickup position toward the inner
(inwards) diameter of the disc.
When this key is pressed with the tracking servo
in a closed loop, the tracking servo
automatically goes into an open loop. Since the
pickup does not automatically stop at the
mechanical end point in test mode, be careful
with this operation.
TRACK FWD Carriage forward Moves the pickup position toward the outer
(outwards) diameter of the disc.
When this key is pressed with the tracking servo
in a closed loop, the tracking servo
automatically goes into an open loop. Since the
pickup does not automatically stop at the
mechanical end point in test mode, be careful
with this operation.
Initializes and the disc rotation stops.
The pickup and disc remain where they are
when this key is pressed.
OPEN/CLOSE Disc tray open/close Opens /closes the disc tray.
This key is a toggle key and open/close tray
alternately.