becomes 
,
which is the button used to enter programming mode. To identify these buttons
while programming, place the appropriate programming overlay provided with the
system over the dialpad of the phone at extension 10 or 11. During System Programming, the normal functions of several buttons on the phone
at extension 10 (or 11 if available) change. For example, left
becomes ,
which is the button used to enter programming mode. To identify these buttons
while programming, place the appropriate programming overlay provided with the
system over the dialpad of the phone at extension 10 or 11.
Use the following special buttons while programming:
and 
cycle forward and backward through the programming procedures.
and 
cycle forward and backward through a procedure's parameters. A parameter is
typically an outside line, an extension, or a telephone list entry.
and 
cycle forward and backward through the valid list entries. These buttons work
only for fixed data, such as a line or extension number. They do not work
for variable data such as date, time, password, telephone numbers, or doorphone
assignments. 
returns the current setting to the factory setting. 
ends
an entry of variable length, such as a telephone number in an Allowed Phone
Numbers List.
starts the System Programming process. 
starts the Centralized Telephone Programming process (that is, customizing
individual telephones centrally from extension 10 (or 11 if available). 
,
when followed by 
,
enters or exits programming mode.
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