AYRE TK-8150 - Manual (Page 12)

Volume Control
The volume level may be controlled with either the right-hand
knob or the remote control handset, and the volume setting is
displayed on the front panel. There are 60 individual levels,
each with a step size of 1.0 dB, allowing for precise selection of
the desired volume setting.
If the volume control is advanced beyond the highest available
level, the front panel will briefly display the message “Max”.
Mute
The mute button on the right side of the unit provides an easy
way to temporarily turn the volume of the KX-R to “zero”
while retaining the current volume setting in memory. Pressing
the mute button a second time restores the volume to the
previous level.
When the mute function is activated, the memorized volume
control setting will be shown in inverted colors (black text on a
blue background).
Display Brightness
The brightness of the front-panel display may be controlled via
the remote control. There are three brightness levels and a
“display off” setting. Each press of the remote control button
scrolls through the four available brightness settings.
A small blue light indicates that the display is turned off.
When further commands are received, either from the
front-panel buttons or the remote control, the normal display
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