Nikon D50 Manual De Usuario

Choose from:

At the default setting of On, a beep will sound 
while the release timer is running in self-timer and 
delayed remote modes (

 22), when a photograph 

is taken in quick-response remote mode (

 22), or 

when the camera has focused in single-servo AF (

 

88).  The beep will not sound when Off is selected.  
The current setting is shown in the control panel:   
for On and   for Off.

AF-A 

(default)

Camera selects AF-S or AF-C mode automatically according to shoot-
ing conditions and whether the subject is moving.

Single-servo AF

.  

Focus locks when shutter-release button is pressed 

halfway.  Use with stationary subjects.

Continuous-servo AF.  Camera focuses continuously while shutter-re-
lease button is pressed halfway; AF-assist illuminator turns off.  Use 
with moving subjects.

This option takes effect only in P, S, A, and M 
modes.  The current autofocus mode is shown in 
the control panel when AF-S or AF-C is selected.  
No icon is displayed in AF-A mode.

The 

 button can be used to lock focus when AF-C is selected.