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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