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HEADPHONE VOLUME DOWN/UP AND HEADPHONE INPUT
The up and down buttons control the headphone volume independently of the main volume. When adjusting the
headphone volume, the OSD shows the relative difference (volume offset) compared to the main volume. It does not
show the absolute level. All speakers will be turned off when a set of headphones are plugged in.
SOURCE SELECT BUTTONS
The buttons labeled DVD, Laserdisc, VCR 1, VCR 2, Satellite, Video 1, CD, Audio 2, Audio 3–AM/FM and Audio 4 can be used
to directly access the audio and video sources. You can access all sources directly from these keys. For example, when
you press the DVD key, DVD audio and video signals are selected and they are then processed and fed to the appropriate
outputs for listening/viewing. Each of these inputs can be assigned to access whatever sources are connected.
INPUT SEARCH
Pressing this button searches all the inputs and stops on the first active input it sees. This is useful if you don’t know
what sources are currently “on.”
AUDIO MONITOR 1
By pressing the AUDIO MONITOR 1 button, you can hear the output signal coming from a recorder connected to the
TAPE PLAY sockets on the rear panel. The switch is of toggle type: When you press it once, it will engage and when you
press it again, it will disengage. The TAPE MONITOR input also disengages if you select a new source from the front
panel or from the remote handset. The AUDIO MONITOR 1 button has no effect on the other select buttons. The signal
source you have selected with the SOURCE ▲ and ▼ buttons will be fed to the TAPE REC output sockets; whether the
TAPE button is engaged or disengaged has no effect. If you have a three-head tape recorder that permits off-tape
monitoring, you can use the TAPE button to compare the source signal to the off-tape signal. Thus you can check the
level and the quality of the recording while the recording takes place. If you press the AUDIO MONITOR 1 button, it
does not have any effect on the operating mode of the ATP 8500. The mode remains as currently selected. Note: If you
engage the AUDIO MONITOR 1 button with no signal source connected to the TAPE PLAY, or with no tape running,
you will hear only silence.
ZONE 2
Press the ZONE 2 button. Quickly, while the Zone 2 LED on the front panel is on, press a source button (DVD for
example), then adjust the volume level. Now don’t touch anything until the Zone 2 LED goes off. You’ve now set a
different source (or the same source if you prefer) AND volume level for a second zone.
7.1 CHANNEL INPUT
The 7.1 CHANNEL INPUT is intended for future multi-channel formats. When you press this button, it will access the
7.1 CHANNEL INPUT. You may deselect it by changing the source using the SOURCE SELECTION buttons or by pressing
the 7.1 CHANNEL INPUT button. In the latter case, the ATP 8500 will return to the input that was previously selected
before the 7.1 CHANNEL button was pressed. In both cases, the similarly named buttons on the remote control handset
function in exactly the same way (SRC+ , SRC– and 7.1 CH).
MUTE
When you press the MUTE key, it will engage mute mode and the ATP 8500’s line outputs will be muted. MUTE is a
toggle function, so when you press the key again it will disengage the mute mode. Mute mode is also disengaged when
you increase the volume setting by using the VOL ▲ key on the remote handset.
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