Charge by computer, Option (a 150) in the camera’s setup menu is, A 150 – Nikon S3100 User Manual
Page 162

150
Setup Menu
Basi
c Came
ra Setup
Charge by Computer
Choose whether or not the battery inserted in the camera is charged when the
camera is connected to a computer via USB cable (
B
Notes on Connecting the Camera to a Printer
• The battery cannot be charged with connection to a printer, even if the printer complies with the
PictBridge standard.
• When Auto is selected for Charge by computer, it may be impossible to print pictures with
direct connection of the camera to some printers. If the
PictBridge startup screen is not displayed
in the monitor after the camera is connected to a printer and turned on, turn the camera off and
disconnect the USB cable. Set
Charge by computer to Off and reconnect the camera to the
printer.
d button M z (Setup menu) M Charge by computer
Auto (default setting)
When the camera is connected to a computer that is running, the battery inserted
into the camera is automatically charged using power supplied by the computer.
Off
The battery inserted into the camera is not charged when the camera is connected
to a computer.