ARMTEL ARMT.665230.139, Руководство пользователя

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TDA-500 DIGITAL POWER AMPLIFIER
User Manual
page 18/28 armtel.com
© Armtel info@armtel.com
ENG
2.5.2.2 Before operation of TDA-500:
−
check for damage of TDA-500;
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using a screwdriver, set the potentiometers «BASS», «TREBLE» and «VOLUME»
to the extreme left position corresponding to the minimum level;
−
make sure the TDA-500 is connected to the mains and to an auxiliary 48 V DC
power supply;
−
make sure indication «MAINS» is present when the TDA-500 is connected to a
230 V, 50 Hz power supply network, or indication «BATTERY» is present when
the TDA-500 is connected to a 48 V DC power supply.
Note - In the event of a 230 V power failure, the TDA-500 will automatically switch to
backup power from a 48 V DC power supply.
−
make sure that there is no indication «FAULT».
2.5.3 Using TDA-500
2.5.3.1 Connect TDA-500 in accordance with 2.4.4.
2.5.3.2 Make sure that there is an indication «SIGNAL» on Channel A and Channel B.
2.5.3.3 Make sure there is an indication «OK» on Channel A and Channel B.
2.5.3.4 Turning the potentiometers «BASS» with a screwdriver, adjust the level of low
frequencies of Channel A and Channel B.
2.5.3.5 Turning the potentiometers «TREBLE» with a screwdriver, adjust the high
frequency levels of Channel A and Channel B.
2.5.3.6 Turning the potentiometers «VOLUME» with a screwdriver, set the sound
volume, thus adjusting the output signal level on the speaker connected to the terminal
block «Channel A».
2.5.3.7 Make sure that there is no continuous activation of the indication «CLIP».
Note – Only short-term activation of the indication «CLIP» is allowed at peak values of
the signal level.