Nikon D80 Manual page 51

Using the Built-in Flash
If the fl ash is required, the camera will only respond to the shutter-release button on the ML-L3 once
the fl ash has charged. In
or quick-response remote mode is selected; once the fl ash is charged, it will pop up automatically if
required when the shutter-release button on the ML-L3 is pressed. In P, S, A, and M modes, raising the
fl ash during the two-second count-down in delayed remote mode will cancel the two-second timer.
Wait for the fl ash to charge and then press the shutter-release button on the ML-L3 to restart the
timer.
In fl ash-sync modes that support red-eye reduction, the red-eye reduction lamp will light for about
one second before the shutter is released. In delayed remote mode, the self-timer lamp will blink for
two seconds and then light for one second before the shutter is released.
1 — Beep ( 86)
This option controls the beeps that sound when the remote control is used.
30 — Remote on Duration (
Choose length of time the camera will remain in stand-by before remote control mode is cancelled.
, , , and modes, the fl ash will begin charging when delayed remote
99)
Reference: More on Photography (All Modes) / Choosing a Shooting Mode 39