DAPAudio CA-4500, Manual

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15
Ordercode: D4515
CA-4500
5.1. HP and LP Filters
Apart from the 8 EQ bands, you can also adjust the FREQ and Q of the HP (high-pass filter) and the LP
(low-pass filter).
01)
If the HP is set to its minimum value, the HP filter is OFF. If the LP is set to its maximum value, the LP filter
is OFF.
02) When adjusting the Q of the LP and HP, you can choose one of the following crossover patterns:
BPSS (bypass), BW6, BE6, BW12, BE12, LR12, BW18, BE18, BW24, BE24, LR24, BW30, BE30, BW36, BE36,
LR36, BW42, BE42, BW48, BE48 and LR48.
Note: BW stands for Butterworth filters. BE stands for Bessel filters. LR stands for Linkwitz-Riley filters.
5.2. Allbypass
01)
Turn the menu control (03) to select ALLBYPASS. Press the menu control (03) to start editing.
02) Turn the menu control (03) to select N or Y and press the menu control (03) to confirm your choice.
03) If set to N, the device will use the EQ settings. If set to Y, the EQ settings will not be used and it will not
be possible to adjust any EQ settings.
04) Turn the menu control (03) to select EXIT and press the menu control (03) to return to the previous
menu.
05) Again, turn the menu control (03) to select EXIT and press the menu control (03) to return to main
menu.
6. Compressor
In this menu, it is possible to set the compression parameters of the 4 output channels (1-4).
01)
Turn the menu control (03) to select the desired output channel (1-4). Press the menu control (03) to
confirm your choice.
02) Turn the menu control (03) to select one of the 5 options:
●
THRES (compression threshold for the selected channel): If the amplitude of an audio signal
exceeds a certain threshold, the compressor will reduce the signal level, using the preset ratio. If
the amplitude of an audio signal is lower than the preset threshold, the compressor will not be
activated and the signal will flow directly to the next block.
● RATIO (compression ratio for the selected channel): The ratio determines the ratio of gain
reduction. For example, a ratio of 4:1 means that if the input level exceeds the threshold by 4dB,
the output signal will exceed the threshold by 1dB.
● ATTACK (compressor’s attack setting for the selected channel): It is the period in which the
compressor reduces gain to reach the level determined by RATIO.
● RELEASE (compressor release time): It determines the amount of time that it takes for the
compressor to return to its initial gain, once the signal level drops below the threshold.
● BYPASS: If set to YES, the compressor is OFF. If set to NO, the compressor is ON.
03)
Press the menu control (03) to start editing. Turn the menu control (03) to adjust the settings.
04) Press the menu control (03) to save your settings.
05) Repeat steps 2-4 to adjust the remaining settings.
06) Turn the menu control (03) to select EXIT and press the menu control (03) to return to step 1.
07) Again, turn the menu control (03) to select EXIT and press the menu control (03) to return to main
menu.