Controls - AKG HEARO 999 AUDIOSPHERE II Manual De Instrucciones

2151_03_Hearo999_fsch
2 Description

2.6 Controls

2.6.1 Front Panel
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1. ON: This pushbutton switches the unit on and off. The green LED next to the ON switch
lights to indicate the unit is ON.
2. DIGITAL: This pushbutton switch toggles between the analog and digital inputs. The green
LED next to the DIGITAL switch lights to indicate the digital input has been selected.
3. INPUT: This rotary control sets the level at the audio output.
The bi-color LED next to the control indicates the signal level at the input to the audio cir-
cuitry: flickering/lighting green indicates optimum level range, red indicates overload.
Selecting the digital input disables the INPUT control.
4. FREQ.: This four-step rotary switch selects three different channels within the carrier fre-
quency band of the integrated transmitter or switches the transmitter off ("0" position).
The LED next to the FREQ. selector lights to indicate the transmitter is ON.
5. PHONES: 1/4" stereo jack for connecting a pair of hardwire stereo headphones.
6. VOLUME: This rotary control sets the volume of the headphones connected to the
PHONES jack (5). The VOLUME setting does not affect the volume of the wireless head-
phones.
7. SURROUND: This five-step rotary switch is located in the signal path between the input
stage and the MODE switch. It switches the Dolby decoders on and off or adds one of
three different reverb programs to normal stereo signals. The output signal of the SUR-
ROUND selector passes through the MODE switch and on to the IVA or VMAx processor
or directly to the output.
AUTO: This mode automatically activates the Dolby Surround Pro-Logic or Dolby Digital
decoder depending on whether a Pro-Logic or Dolby Digital signal is present at the
input. One green LED each will light to indicate which decoder is currently active.
Note:
If a normal stereo signal is present at the input, we recommend that you set the
SURROUND selector to "OFF" in order to avoid undesired sonic results.
OFF: Both Dolby decoders are out of circuit and the input signal passes to the MODE
selector (9) unchanged. The DOLBY DIGITAL and the PRO-LOGIC LEDs will extin-
guish.
CLUB, HALL, STADIUM: Acoustic simulations of three different venues of different
sizes.
8. STEREO: This green LED indicates the following modes:
Stereo signal at the input and SUR-
ROUND selector (7) in "OFF" position:
SURROUND selector (7) in "CLUB",
"HALL", OR "STADIUM" position:
SURROUND selector (7) in "AUTO"
position:
MODE selector (9) in "DIRECT" position:
MODE selector (9) in "IVA-PHONES" or
"VMAx" position and SURROUND selec-
tor (7) in "AUTO" position:
9. MODE: This three-step rotary switch selects the following modes:
IVA-PHONES: The IVA processor is active and affects the signal at the PHONES and
LINE outputs as well as the signal transmitted to the wireless headphones. In this
mode, the green LED below the IVA-PHONES label will be illuminated.
DIRECT: In this mode, all signal processors are out of circuit and all controls and indi-
cators to the right of the MODE selector are disabled. You will hear the unchanged
stereo input signal in the hardwire and wireless headphones and the loudspeakers
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STEREO LED on
STEREO LED off