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4 Testing and maintenance
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555-4001-110 Standard 09.03 July, 2002
Response: LCD 6 comes on.
Press Function Key 7.
Response: LCD 7 comes on.
Press Function Key 8.
Response: LCD 8 comes on.
Press Function Key 9.
Response: LCD 9 comes on.
Press Function Key 10.
Response: LCD 10 comes on.
Press Function Key 11.
Response: LCD 11 comes on.
Press Function Key 12.
Response: LCD 12 comes on.
Press Function Key 13.
Response: LCD 13 comes on.
Press Function Key 14.
Response: LCD 14 comes on.
Press Function Key 15.
Response: LCD 15 comes on.
Press Function Key 16.
Response: LCD 16 comes on.
Press Function Key 17.
Response: LCD 17 comes on.
Press Function Key 18.
Response: LCD 18 comes on.
Press HOLD key.
Response: The system provides dialtone, and LCDs 1 through
5 come on.
Take the handset off-hook.
Response: The system provides dialtone from the handset only,
and all LCDs flash.
Put the handset on-hook.
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