Sony PSP-1003 - Manual (Page 22)

22 Part names and functions
System left side
System right side
A Memory Stick Duo™ slot B WLAN switch
Turns on the wireless networking
feature
A POWER/HOLD switch
Turns the system on and off, puts in
Sleep Mode (
pages 28, 30) and
locks the system buttons
(
page 34)
R:WLAN on
r:WLAN off
R:POWER switch
r:HOLD switch