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CONTROLS
Front panel
1.
CLEAN / DRIVE
footswitch for selecting CLEAN or DRIVE;
2.
DRIVE
channel operation indicator;
3.
FREQ. NOTCH
– cutout frequencies switch (rejecter filter) 500Hz, 330Hz,
230Hz (see graph 1);
4.
BLEND
– signal level balance adjustment between channels CLEAN and
DRIVE;
5.
HIGH
– adjusts high frequency range of DRIVE channel;
6.
LEVEL
– adjusts signal volume level of DRIVE channel;
7.
LEVEL
– adjusts signal volume level of CLEAN channel;
8.
HIGH
– adjusts high frequency range of CLEAN channel;
9.
MID
– adjusts middle frequency range of DRIVE channel;
10.
MID
– adjusts middle frequency range of CLEAN channel;
11.
DC-18V
(located on rear panel) for connection of power adaptor;
12.
LOW
– adjusts low frequency range of CLEAN channel;
13.
GAIN
– adjusts sensitivity level of CLEAN channel;
14.
GAIN
– adjusts sensitivity level of DRIVE;
15.
LOW
– adjusts low frequency range of DRIVE channel;
16.
MASTER VOLUME
– BC-1’s overall output level adjustment;
17.
PRE.NOTCH
– rejecter filter switch before Drive stage. 700Hz, 400Hz (see
graph 2);
18.
DRIVE channel operation indicator in
HIGH
mode;
19.
Footswitch
HI/LO
– Drive channel increased sensitivity on/off;
20.
Battery compartment screw.
Left panel
21.
OUTPUT
– direct output to power amp;
22.
CTRL OUT
– AMT TS-2MIDI aux convertors control output;
23.
CAB.SIM.
– direct output to mixer’s line input;
24.
DI OUT
– balanced output intended for connection of devices equipped with
balanced inputs.
Right panel
25.
INPUT
– instrument input of the preamp;
26.
RETURN
– aux effect signal return (-10dB);
27.
SEND
– signal send to aux effect (-10dB).
Graph 1
– FREQ.NOTCH switch specification
Graph 2
– PRE.NOTCH switch specification
WARNING! All cable connections must be made ONLY
WITH PREAMP SWITCHED OFF!
BATTERY REPLACEMENT
WARNING! AMT BC-1 requires two 9V 6F22 batteries.
Never use old and new batteries simultaneously. Replace
both batteries if necessary. Do not mix batteries from
different manufacturers
To use (replace) the batteries:
1.
Loosen the screw (20), lift the battery compartment cover to access
the batteries;
2.
Carefully picking one battery with your finger lift it from th
у
compartment and pull it toward yourself;
3.
Repeat 2 for the second battery;
4.
Insert new batteries using the reverse sequence with correct polarity
(battery «+» upwards);
5.
Tightly close the battery compartment cover. Tighten the screw (20)
slightly pressing the cover..
Note
in order not to lose the screw (20) do not remove it from the cover, just use it to
loosen the cover.
