DAPAudio D2141 Manual - Halaman 10

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10. Mic / Line Switch

This switch is used to set the input impedance, either low (mic) or high (line).

11. GAIN

With the Gain control you can adjust the MIC or LINE input-sensitivity, while

optimally matching the incoming signals to the mixer's internal operation level.

When dealing with very low input levels (example vocal recordings or distant

sound sources) the high gain is extremely profitable.

How to set the Input level:

1) Set the gain control and the corresponding channel fader to their minimum

setting.

2) Connect the desired sound source (CD player, microphone, ect) to the

corresponding MIC or LINE input.

3) Play the sound source at its highest volume setting; respectively, sing or

speak as loud as possible directly into the microphone.

4) While doing so, adjust the input level using the gain control, so that during

the loudest passages the PEAK LED is just not lit, but the SIGNAL-LED

lights constantly.

This basic channel setting leaves you at least 8dB headroom. This means, you

have at least 8dB before signal clipping. If you want to make further

adjustments to the channel's EQ setting, you should repeat step 3 and 4

again.

12. Level Indicator

This indicates the cue prefader level.

13 / 14 / 15. Equalizer SECTION (HI / MID / LOW)

The mixer's Equalizer section allows shaping of the incoming audio signal. All

mono input channels are fitted with 3-band EQ. The upper (13) and lower (15)

shelving controls have their frequencies fixed at 12 Khz and 80 Hz

respectively. The Mid range control (14) has a peaking response frequency at

1.2 Khz. All 3 bands have up to 26 dB cut and up to 12 dB cut and boost, with

a centre detent for "OFF". Turning the Equalizer level control to the right

amplifies the frequency range, turning to the left attenuates the signal. Minor

changes to the Equalizer control usually produce the best results. Try to avoid

excessive enhancement of the MID band.

16. PFL

The PFL button (pre fade listening) is designed to override the main signal, so

although an individual channel is heard, it is not in complete isolation. If you

push the PFL button, regardless of the Aux rotary control, you will get the

complete signal in your headphone/monitors. This is useful, because the

recording engineer hears some of the main signal. So the channel is not only

heard, but also in context. Pressing this button assigns a channel's audio

signal to the PFL bus. Simultaneously assigning more than one channel to the

PFL bus is possible, while the individual channel's volume fader setting is not

recognized (PRE FADER LISTEN). Once a PFL button is pressed, the master

display automatically enters PFL/PGM mode. This allows you setting a signal's

correct level or making special EQ-adjustments without the need of including it

in the main mix.

17. Channel Fader

A high-quality true logarithmic 58mm fader, which controls the volume of a