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11
Dimmer Control
You can lower the brightness of the display by
using the dimmer function.
Press the [DIM] button for at least 1 second.
Each time you press the button for 1 second, the
Dimmer contol turns ON or OFF.
When the Dimmer control is ON, "DIM ON" is
displayed.
Theft Deterrent Faceplate
The faceplate of the unit can be detached and
taken with you, helping to deter theft.
Removing the Faceplate
Press the Release button.
The faceplate unlocks, allowing you to detach it.
• The faceplate is a precision piece of equipment and
can be damaged by shocks or jolts.
• Keep the faceplate in its faceplate case while
detached.
• Do not expose the faceplate (and the faceplate case)
to direct sunlight or excessive heat or humidity. Also
avoid places with too much dust or the possibility of
water splashing.
Reattaching the Faceplate
1 Align the projections on the unit with the
grooves on the faceplate.
Projections
Grooves
2 Push the faceplate in until it clicks.
The faceplate is locked in place, allowing you to
use the unit.
TEL Mute
The audio system automatically mutes when a
call comes in.
When a call comes in
"CALL" is displayed.
The audio system pauses.
Listening to the audio during a call
Press the [SRC] button.
The "CALL" display disappears and the audio
system comes back ON.
When the call ends
Hang up the phone.
The "CALL" display disappears and the audio
system comes back ON.
• To use the TEL Mute feature, you need to hook up
the MUTE wire to your telephone using a commercial
telephone accessory. Refer to <Connection Wires to
Terminals> (page 27).