Spectrum Brands SPECTRUM PLUS SP-550 - Manual (Page 65)

Handset Volume Control
The SpectrumPLUS TM is equipped with an
ADA/FCC compliant handset volume
control located on the front of the phone.
When the right end of the “VOLUME”
key is pressed, the volume of the handset
receiver is increased.
When the left end of the “VOLUME” key
is pressed, the volume of the handset
receiver is decreased.
The “VOLUME” key is an eight-step
volume control.
65
Volume Lock Feature — When the handset, speaker, or headset volume
feature is selected, the volume will automatically stay at that setting in the
next use.
f
Volume
Contrast