AEQ BC-2500
Radio Broadcast Mixing Desk
12
5. MODULE DESCRIPTION
5.1. BC-2511 MICRO/LINE MONO INPUT MODULE.
5.1.1. Functional description.
The micro/line mono input module BC-2511 permits the connection of two independent
inputs; one microphone level (21) and the other line level (22), selection being carried-out by
means of the switch (1) MICRO/LINE.
Push-bottom (3) HFF activates a radiofrequency filter. (100 Hz)
Once the input type is selected, the level is adjusted by the potentiometer (2) GAIN, an external
signal can then be introduced through the connector (20) INSERT, subsequently the equalization
can be adjusted by the potentiometers (4, 5, 6 and 7) TREBLE, MID/FREQ, MID/GAIN and
BASS, corresponding to the treble level, mid frequencies gain and bass level respectively,
whenever the equalization circuit is activated by the switch (8) EQ ON.
With the aim of avoiding saturation an LED indicator (9) CLIP illuminates on reaching
maximum signal level. If required this signal can be monitored by activating Push-button (16) PFL
ON, to send it to the pre-listen bus. This status is confirmed by the illumination of led indicator
(17).
Potentiometer (12) BALANCE regulates the left/right channel output signal balance.
The output signal can be directed to the following outputs whenever the operative channel
selector (18) CHANNEL ON is activated:
Master 1, adjusts the send level with fader (19) and pushing the switch (13) MASTER 1
Master 2, adjusts the send level with fader (19) and pushing the switch (14) MASTER 2
Telephone buses 1 and 2, adjust the send level with fader (19) and pushing the switch (15)
PHONE.
This signal can also be sent to the following auxiliary outputs:
Auxiliary 1, the send level is adjusted with potentiometer (10) AUX 1 if working with the Auxiliary 1
send programmed pre-fader or the send level is adjusted with fader (19) once the send level to
Auxiliary bus 1 is set with potentiometer (10) AUX 1 when working with the send to auxiliary 1
programmed as post-fader and whenever the channel operative switch (18) CHANNEL ON is
activated.
Auxiliary 2, the send level is adjusted with potentiometer (11) AUX 2 if working with the Auxiliary 2
send programmed pre-fader or the send level is adjusted with fader (19) once the send level to
Auxiliary bus 1 is set with potentiometer (11) AUX 2 when working with the send to auxiliary 1
programmed as post-fader and whenever the channel operative switch (18) CHANNEL ON is
activated.
The position of the programming bridges and their functions are described in Section 7 of
this manual.
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