Sending a test email message........................................ ................60
Reading your test email message............... ..................................62
Setting the date and time........................... ....................................63
Locking your handheld........................................................... .......64
Placing emergency calls............................. ....................................66
Product information........................................................................... 69
Mechanical properties........................................... .........................69
Display and control features................... ......................................69
Power................................................... ............................................. 70
Recommended temperature parameters..................................... 70
Radio specifications for the BlackBerry 5810 Wireless
Handheld.......................................................................................... 70
Radio specifications for the BlackBerry 5820 Wireless
Handheld.......................................................................................... 71
Regulatory conformance..................................................... ...........72
Index.....................................................................................................73