Reference Manual (complete instructions)

110 P, S, A, and M Modes
A ML-L3 Remote Controls
If you will be using an ML-L3 remote control, select one of the
following remote control modes as described on page 95: "
(Delayed remote (ML-L3)) or # (Quick-response remote (ML-L3)).
Note that pictures will be taken in “Time” mode even when “Bulb”/
A is selected for shutter speed.
The exposure starts when the
shutter-release button on the remote control is pressed and ends after
30 minutes or when the button is pressed again.