Front Panel Information Display
ABitstream Indicators B Optical Source Indicators C DTS Mode Indicator D Dolby Digital Indicator
E Coaxial Digital Input Indicators F Dolby Pro Logic II Indicator G Analog Input Indicator
ABitstream™ Indicators: When the input is a digital source, one of these indicators will light to display the specific type of signal in use.
BOptical Source Indicators: These indica- tors light to show when a Optical Digital Input has been selected.
CDTS Mode Indicator: This indicator illumi- nates when the DTS mode is selected.
DDolby Digital Indicator: This indicator illuminates when Dolby Digital mode is selected.
ECoaxial Digital Input Indicators: These indicators light to show when a Coaxial Digital Input has been selected.
FDolby Pro Logic II Indicator: This indica- tor lights when the Dolby Pro Logic II mode has been selected.
GAnalog Input Indicator: This indicator lights when an analog input source has been selected.
HDolby 3 Stereo Indicator: This indicator lights when the Dolby 3 Stereo Mode has been selected. Only ST (Stereo) will light when "Surround Off" has been selected. Then all Surround Modes are turned off and the unit will play in pure stereo mode.
IRDS Indicator: This indicator illuminates when the station tuned is transmitting RDS data.
HDolby 3 Stereo Indicator I RDS Indicator
J DSP Mode Indicator K Traffic Program Indicator L Tuned Indicator
M Main Information Display N Night Mode Indicator
JDSP Mode Indicator: This indicator lights when any of the surround modes created by Digital Signal Processing, or DSP are in use. These modes include Hall 1, Hall 2, Theater and 5 Channel Stereo.
KTraffic Program Indicator: This indicator illuminates if the RDS station tuned sometimes transmits traffic information (see page 24 for more information on RDS).
LTuned Indicator: This indicator illuminates when a station is being received with sufficient sig- nal strength to provide acceptable listening quality.
MMain Information Display: This display shows messages relating to the status, input source, surround mode, tuner, volume level or other aspects of unit’s operation.
NNight Mode Indicator: This indicator lights when the AVR 1550 is in the Night mode, which preserves the dynamic range of digital program material at low volume levels.
OAuto Indicator: This indicator illuminates when the tuner’s Auto mode is in use.
PSpeaker/Channel Input Indicators: These indicators are multipurpose, indicating either the speaker type selected for each channel or the incoming
OAuto Indicator
PSpeaker/Channel Input Indicators Q Preset Number/Sleep Timer
R Preset Indicator S Sleep Indicator T Memory Indicator U Stereo Indicator
QPreset Number/Sleep Timer: When the tuner is in use, these numbers indicate the spe- cific preset memory location in use. (See page 24 for more information on preset stations.) When the Sleep function is in use, these numbers show how many minutes remain before the unit goes into the Standby mode.
RPreset Indicator: This indicator lights when the tuner is in use to show that the Preset Number/Sleep Timer Qis showing the sta- tion’s preset memory number. (See page 24 for more information on tuner presets.)
SSleep Indicator: This indicator lights when the Sleep function is in use. The numbers in the Preset/Sleep Number Indicators will show the minutes remaining before the AVR 1550 goes into the Standby mode. (See page 19 for more information on the Sleep function.)
TMemory Indicator: This indicator flashes when entering presets and other information into the tuner’s memory.
UStereo Indicator: This indicator illuminates when an FM station is being tuned in stereo.
