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M40 FRONT PANEL FEATURES
FRONT PANEL
1. ON/STANDBY - Press this button to turn the M40 ON/OFF. In Standby, the button is surrounded by a red backlight to indicate
that the M40 main power is ON. To turn the unit ON, press the button. The backlight turns blue and the Front Panel Display
illuminates. The M40 will go through a power up sequence of about five seconds after which the receiver is ready for use. To
return to Standby, press the button and all the audio signal will be cut, the amp will turn off, the Front Panel Display will turn
off after a short delay and the ON/Standby button backlight will illuminate red.
2. SOURCE SELECT BUTTONS - In Standby or with the M40 power ON, press the desired Source Select button. When selected,
the source name will appear in the Front Panel Display to indicate the selected source.
3. TONE CONTROLS - Turn these knobs to adjust the bass (low frequencies) or the treble (high frequencies) in the speaker and
Pre-Out level outputs. Turn counterclockwise to lower or turn clockwise to increase bass or treble. Center detente (click) is flat
bass and treble EQ. Range: ±10dB.
4. BALANCE - Turn this knob to adjust the relative audio level between the left and right speakers. If the speakers are positioned
so that they are not an equal distance from the Ideal Listening Zone, adjust the balance so the amount of sound coming from
the left and right speakers is equal. Turn counterclockwise (left) to reduce right channel level; turn clockwise (right) to reduce
left channel level.
5. PHONES - Connects to a standard stereo 1/4 inch phone plug for listening through stereo headphones. The Speaker A and B
Outputs are automatically turned off when headphones are connected to this jack. When headphones are connected, the
Front Panel Display 'SP.AB' (Speaker A/B) Indicator will turn off. HP-IN will appear briefly and then the display will return to the
selected source.
6. VIDEO 3/L-AUDIO-R - These Front Panel convenience jacks connect to an audio/video device such as a video game, MP3
Player, still or video camera, etc that is not a regular system component. This eliminates having to pull the receiver out of its in-
stalled position to get to the rear panel connections. These inputs are selected by first selecting VIDEO 3. A second press of the
VIDEO 3 button (Front Panel or remote) will switch to the Front Panel VIDEO 3 Inputs. When selected, VIDEO 3 (rear) or VIDEO
F (front) will appear in the Front Panel Display to indicate the selected input. The VIDEO 3/VIDEO F Inputs can be toggled by
repeatedly pressing the VIDEO 3 button.
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Diagram 1 M40 Front Panel Features
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