Marantz SR7500 - Multi-Room Speaker Mode and Status; Feedback Signals; Serial Communication Feedback; Power and Input Status Feedback

Partner: Marantz
Model: SR8500 + SR7500
Device Type: Surround Receiver
mr_tuner_preset_scan_start/stop D Pulse to start and stop the preset scan function.
mr_tuner_preset_num_call D Pulse to call the tuner preset number.
mr_tuner_freq_num_direct_set D Pulse to directly set the tuner frequency.
ms_power_on/off/toggle D Pulse to turn the multi-room speaker on and off.
ms_volume_up/down D Press and hold to adjust the multi-room speaker volume.
ms_audio_mute_on/off/toggle D Pulse to turn the multi-room speaker volume mute on and off.
ms_volume_variable/fixed/toggle D Pulse to change the multi-room speaker volume mode to variable or fixed.
auto_status_on/off D Pulse to turn the auto status function on and off.
FEEDBACK:
TX$ S Serial signal to be routed to a 2-way serial com port.
power_on/off_fb D High to indicate the current power state for the main zone.
video_input_*_fb D High to indicate the currently selected video input.
audio_input_*_fb D High to indicate the currently selected audio input.
input_analog/digital_autoselected_fb D High to indicate the currently auto selected input type.
input_analog/digital_fixed_fb D High to indicate the currently manually selected input type.
volume_bar
A
Analog value indicating the current volume level. To be displayed using a bar
graph on a touch panel.
volume$
S
Serial signal indicating the current volume level in dB. This is the same as the front
panel of the receiver.
audio_mute_on/off_fb D High to indicate the current state of the volume mute.
attenuator_on/off_fb D High to indicate the current state of the attenuator function.
bass/treble_bar
A
Analog values indicating the current bass or treble level. To be displayed using bar
graphs on a touch panel.