Vertical Communications Impact SCS 8212S - Manual (Page 16)

Above the SPEAKER button:
• On steady (with telephone on hook and busy) = speakerphone mode
is active.
• On steady (with telephone on hook and idle) = background music is
turned on.
• Flashing = feature viewing and programming is in progress.
Above the MUTE button:
• On steady = called party cannot hear your conversation.
Above the SHIFT button:
• On steady = shift mode is activated to allow access to second level
speed dial numbers programmed at DSS button locations.
Introducing The Telephone GCA70–313
1 – 10 Station User's Guide