AT&T 5845 - Manual (Page 8)

5
About Handset Registration
1 The cordless handsets that came with your system are automatically
registered as Handset 1,and Handset 2.There is no need to re-register.
2 You may register up to a total of six Expansion Handsets to this
telepnone system(Model 5800 handset Sold Separately).
3 Additional handsets will be assigned Handset 3,handset 4,Handset5,
and Handset 6.
4 When you install the handset battery pack,the handset will display
SEARCHING FOR BASE (if it’s registered) or ENTER BASE ID (If it
has not been registered).
Register an additional Handset(Model 5800 handset)
1 Make sure the handset battery pack has been charged for at least 12
hours and that the power cord is plugged into the base unit.
2 At the base display press softkey.
3 Use to select DISPLAY BASE-ID.
4 Press .The base screen will display the 15 digit Base ID code
for approximately 30 seconds,the return to the idle screen.
5 Using the handset keypad,enter the 15 digit base ID code(including
# or *).
6 Use the softkey to select OK.The screen displays PLEASE WAIT!! and
then SEARCHING FOR BASE.
7 After about 45 seconds the handset should find the base,The screen
will display the appropriate handset and it is ready for use.if the
handset displays BASE BUSY TRY THE LATER,the base is in use.
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