Siemens OPTIPOINT 420 ECONOMY 사용자 설명서

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페이지 129
Step by Step
Checking the telephone
116
Checking the telephone
Checking its functionality
You can test the functionality of your telephone. This in-
cludes the following checks:
Are all the key lamps operating properly?
Is the display operating properly?
Do all the keys function?
Are there any problems with the speaker, handset, 
ringing tone volume, ringing tone pitch, alerting tone 
or speakerphone function (only available with 
optiPoint 420 standard)?
Otherwise, if necessary, for servicing:
the terminal ID (identity) of the telephone
the software version of the optiPoint 420 telephone
the power level of the line.
Precondition: The telephone is in the idle state.
Press the key. The lamp lights up.
m
Enter the service code.
or
>
 
 
:
Select and confirm.
and
>
 
 
:
Select and confirm the required test function. Follow 
the user prompts on the display.
Press the key. The lamp goes out. The test is ended.
Prog./Serv. 
Phone test?            >
                       >
Prog./Serv.