UNIT CONNECTIONS AND CONTROLS:
1. Power supply selection switch.
◦
Central
position : power off
◦
On
position (to the right): preamp on, 48V
phantom power off
◦
P
position (to the left): preamp on, 48V
phantom power on
2. Low cut filter selection switch.
◦
HP
position: filter in line
◦
Left
position: filter off line
3. Push button link selection switch.
◦
Switch
engaged
: button link is not
active ; each potentiometer controls the
preamplification level of each mic input
◦
Switch
disengaged
: button link is active ; the right potentiometer controls the audio level of
both mic inputs. The left potentiometer is disactivated.
4. Low battery level LED indicator. This LED turns on when the battery level is too low. The user
should then replace the batteries as soon as possible. The low voltage threshold is set to 13V (2 x
6.5V). This threshold is compatible with iPOWERUS 9V rechargeable Lipo batteries. The LED will
also turn on if an external power source with a voltage lower than 13.5V is applied to the external
DC IN power input jack.
5. Audio modulation LED indicators. The LEDs
luminosity is proportionnal to the audio level.
6. Batteries compartment. This compartment is
designed to receive 9V 6LR61 or PP3
batteries. Audioroot recommends using
alcaline or high power rechargeable lipo
batteries. Please respect the + and –
polarities. Never leave batteries in the unit
during storage. Use only first choice alcaline
or rechargeable batteries.
7.
Left
input gain level adjustement
potentiometer. Gain can be adjusted from
-50dB to +65dB. This potentiometer is
desactivated when the "link" push button is engaged (3).
8.
Right
input gain level adjustement potentiometer. Gain can
be adjusted from -50dB to +65dB. This potentiometer also
controls the gain level of the left input when the link
function is activated for stereo operation.(3).
9.
Left mic input
connector. This connector has the following
pinout : 1-ground, 2-hot signal, 3-cold signal. Mating
connector : Switchcraft TA3F.
10.
Right mic input
connector. This connector has the following
pinout : 1-ground, 2-hot signal, 3-cold signal. Mating
connector : Switchcraft TA3F.
11. Asymetrical stereo output connector: This connector has the
following pinout : 1-ground, 2-left, 3-right. Mating connector
: Switchcraft TA3F.
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