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DETAILED FRONT PANEL FUNCTIONS
INPUT SELECTION KNOB: This knob, located on the left side of the faceplate, controls several functions.
Upon startup, it defaults to its basic function of changing the input on your Stingray iTube. The selected input is
visible according to which of 4 LEDs are lit on the knob itself. For example, seeing a lit LED at 9:00 on the knob
means that Input 1 is selected. Seeing an LED at 10:00 means Input 2 is selected, and so on and so forth. Input 4
(the 12:00 LED on the knob) refers to the Apple iPod interface on top of the unit. To change inputs, simply turn the
knob until the desired LED is lit.
In addition to selecting the input, this knob also controls the Main Menu functions of the Stingray iTube. To
enter the Main Menu, press and hold the Input Selection knob for about 2 seconds, then release it. The LEDs will
begin to pulse when you are in the Main Menu. To access each of the functions in this Menu, turn the knob, and
LEDs will follow the rotation of the knob. The Main Menu functions are as follows:
1. DIM adjustment (9:00 LED lit): This is the first Menu function upon entering the Main Menu. On
the remote control, there is a button labeled "DIM". When pressed, this button lowers the volume to a
predetermined level. This is useful when the phone rings, when someone comes to the door, or when
you think you can hear a neighbor saying something to the effect of, "If you don't turn down that %$&#
music, I'll...". The DIM button is an excellent way for you to clearly hear your neighbor's colorful lan-
guage and intentions.
The control ranges from 0dB (no attenuation at all) to 23dB of attenuation. Your Stingray iTube
has been factory-set at 12dB of attenuation. To adjust the DIM level, just turn the Volume/Balance knob
on the right-hand side of the faceplate. Turning it fully counter-clockwise will give you 0dB attenuation,
meaning the volume will stay the same even if you press the DIM button. Turning the Volume/Balance
knob fully clockwise will give the maximum attenuation of 23dB. Each LED movement clockwise is
equal to +1dB of attenuation.
2. [no function at time of publication]
3. Input Level Adjust (11:00 LED lit): This menu option allows you to individually adjust the gain
of each input. This might be necessary if one of your sources is much louder or softer than the others.
Again, the Volume/Balance knob adjusts the gain in this mode. The range of gain adjustment runs from
-12dB in the fully counterclockwise LED position to +11dB fully clockwise. Default is unity (0dB ad-
justment), and that is signified by the 12:00 position LED on the Volume/Balance knob.
Before you enter the Main Menu, select the input whose gain you wish to change. When you
enter the Main Menu and select Menu Function 3, you will be adjusting the gain for that input.
Note: This gain change is controlled by the microprocesser than feeds the signal to the preamp.
It is not happening in the preamp itself, but rather just before the audio reaches the preamp. This means
that the REC OUT output level will not be affected by any changes you make in this menu mode.
4. Remote Control Configuration (12:00 LED lit): This Menu option allows you to change what type
of signal your Stingray iTube will accept from the included remote control. The default mode is both RF
(radio frequency) and IR (infrared) signals. Red LEDs on the Input Selection knob show which mode(s)
are active. The 2:00 LED signifies RF control, the 3:00 LED signifies IR control. If neither light is lit, all
remote functionality is disabled.To cycle through the modes, turn the Volume/Balance knob.
STANDBY BUTTON: When the unit is turned on, it defaults to Standby Mode. Pushing this button will then
bring it out of standby mode into regular operation. You can also use this button to RESTORE DEFAULT SET-
TINGS if you get lost in menus or just feel the need to reset your Stingray iTube to factory settings. To do this, just
turn off power to the unit with the back-panel power switch. Then, while pressing the STANDBY button, switch the
Stingray iTube back on again. Continue to hold the STANDBY button until all the front-panel lights have stopped
flashing and moving, and the unit will be restored to factory settings.
VOLUME/BALANCE KNOB: This knob, located on the right side of the faceplate, controls the volume and
balance of your Stingray iTube during normal operation. VOLUME MODE is the default on startup. Volume of the
unit is displayed with LEDs encircling the knob. More LEDs, more level. To enter BALANCE MODE, push and
hold the knob for 2 seconds, then release. Turning the knob clockwise decreases the volume of the left channel,
counterclockwise decreases the volume of the right channel. Each LED segment is equivalent to a 1dB change in
both Volume and Balance modes. Press and quickly release the knob to exit BALANCE MODE.
Main Menu Functions
9
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