SIGNAL/TUNING INDICATOR
The SIGNAL/TUNING indicator is to the right of the sta-
tion display area. The vertical column of LED indicators
show the relative signal strength of an AM or FM station
being received. The greater the number of dots il-
luminated, the greater the received station's signal
strength.
AFL
While tuning, the automatic frequency lock (AFL) circuit
is deactivated. When properly center channel tuned, the
center tuning arrow lights and the AFL circuit activates to
lock on to the broadcast stations precise frequency
preventing any detuning or drift from the broadcast sta-
tion. The locking action of the AFL circuit makes tuning
easy. Mclntosh AFL will give the best FM and AM recep-
tion with lowest background noise, lowest distortion and
highest FM stereo channel separation.
Although the tuner can be tuned very slightly off the sta-
tion's frequency without degrading the program material,
this "near" tuning can cause the station to be 'lost' when
power is turned off and then turned on again. To prevent
this, always rotate the manual tuning knob until the
center tuning arrow only is lighted.
The MANUAL AFL switch is on the back panel, behind
the AM loopstitch antenna. Set this switch to NORMAL for
most listening. To make it easier to tune a weak station
next to a strong station use the manual tuning knob with
the MANUAL AFL switch in the OUT position.
POWER OUTPUT INDICATORS
The amplifier POWER output indicators are to the left of
the station display area. There are two vertical colums of
red Light Emitting Diode (LED) bar indicators; one for each
channel.
The left column represents the output from the left
channel and the right column the right. Each row is in-
dependent of the other. As power output increases, more
bar indicators are turned on. The power indicators pro-
vide constant and instant information on the amount of
power being fed to your speakers.
When the POWER GUARD* circuit is activated, the top
bar on each side will light and the other POWER in-
dicators turn off.
*U.S. Patent #408573
14 FRONT PANEL CONTROLS
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