42
Speaker Line Indicators
When the “SPEAKER” key is
activated, the in-use light
illuminates steadily RED above
the “SPEAKER” key. The LCD
will display “SPEAKER” when
active.
Headset Key Indicators
When the “HEADSET ON/OFF”
key is activated, the Headset in-
dicator will be steadily RED. The
LCD will display “HEADSET”
when active.
Hold Key Indicators
When the “HOLD” key is
activated, the light above the
HOLD KEY will be steadily
RED. The LCD will display
“HOLD” when active.
Summary of Contents for Spectrum Plus LP550
Page 2: ...This page is intentionally left blank...
Page 6: ...TOP PANEL 6...
