Alto BK 2.0 User Manual page 9

11. PROCESS control
This control renews any high frequencies lost through the compression process for natural sounding dynamics control, which
can be varied from off to 6. Please note that the enhancer control is only used when compression is taking place.
3.4 The Back Panel
12
AC INPUT
95-120V/ 210-240V6 0-50Hz
Rated Power Consumption 8W
FUSE:
210-240V: T100mAL 250VAC
95-120V: 200mA 250VAC
REPLACE FUSE WITH
CORRECT TYPE ONLY
13
12. Fuse holder / Voltage Selector
This is a dual voltage unit. Before you attempt to connect and operate the unit, please make sure that your local
voltage matches the voltage on the fuse-holder cover.
Caution: The fuse protecting the AC supplies circuits of this unit. The fuse can only be changed by a qualified
technician, in the event of a fault or changing the supply voltage. If the fuse continues to blow after replacing,
discontinue use of this unit before repaired.
The fuse-holder above the AC connector on the rear of the chassis has 3 triangular markers(please refer to the above
pictures), with two of these triangles opposing each other, your unit is set to the operating voltage printed next to these
markers.
To change, pull fuse-holder out and rotate 180 , then push in again.
13. AC Inlet
This connector is meant for the connection of the supplied main cord. Do not insert power cable into unit until voltage
has been correctly set. Do not plug power cable into AC power until voltage has been correctly set.
14. Audio In
These connectors are used to input the signal source. You can input the signal via the balanced 1/4" TRS phone jack
or XLR connector.
15. Audio Out
These connectors are used to output the signal. You can output the signal via the balanced 1/4" TRS phone jack or
XLR connector.
16. Sidechain Insert
The connector can be regarded as insert point, which allows the unit to be controlled externally, of course the con-
nector must be stereo (Ring output/Tip input). You can also use the connector as a control input (mono connector).
MODEL
SERIAL
Pic.5: The Back Panel Layout Of The BK 2.0
110-120V
220-240V
THIS IS SET FOR
110V AC TO 120V
AC OPERATION
OUTPUT INPUT
CHANNEL 2
15 14
220-240V
THIS IS SET FOR
220V AC TO 240V
AC OPERATION
8
OUTPUT
TIP = INPUT
RING = OUTPUT
SLEEVE=GROUND
SIDECHAIN CHANNEL 1
16
110-120V
INPUT
TIP = INPUT
RING = OUTPUT
SLEEVE =GROUND
SIDECHAIN