The operating instructions refer to the visual SERVICE REQUEST indicator only. ... control is on, the NIGHT ALARM will sound simultaneously with the glowing of the visual SERVICE REQUEST indicator. 3-5. ... Verify that line is not working.
|Title||:||Operator's and Organizational Maintenance Manual Including Repair Parts and Special Tools Lists for Converter, Telephone Signal CV-1919A/G (FSN 5805-229-5417).|