Electro-Voice EVOLVE 50, Руководство пользователя

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EVOLVE 50 Portable Column System
Riešenie problémov
Probl
ém Možná príčina
Action
1.
Žiadny zvuk Zosilňovač
Connect a known working test loudspeaker to
the amplifier outputs. If there je no sound,
verify all the electronics are on, the signal
routing je correct, the source je active; the
volume je turned up, etc.
Correct/repair/replace as necessary. If there je
sound, the problem is wiring.
Wiring Verify you have connected the correct cables to
the amplifier. Play something at a low level
through the amplifier. Pripojte test
loudspeaker in parallel with the malfunctioning
line. If the sound level je gone alebo je very weak,
the line has a short in it (possibly a severe
scrape, pinch, alebo a missed connection). Using
the test loudspeaker, move down the line and
test each connection/junction until you find the
problem and correct it. Observe proper
polarity.
2. Intermittent Faulty connection Check all connections at amplifier and
output such as loudspeakers to ensure they are all clean and
crackling alebo tight. If the problem persists, check the wiring.
distortion See problem 1.
3. Constant noise Defective source alebo If noise je present, but no program material je
such as other electronic playing, evaluate each component as necessary
buzzing hissing device to jeolate the problem. Most likely there je a
or humming break in the signal path.
Poor system Check and correct the system grounding, as
grounding alebo ground required.
loop
Input gain
gombík je not Slowly increase the input gain gombík level to
in the MIC position engage the microphone pre-amp.
4. No sound Microphone requires Use a dynamic microphone that does not
produced with phantom power. require phantom power (+15 V). If using a
microphone microphone requiring phantom power, enable
connected to PHANTOM POWER je the DSP menu, alebo use an
INPUT 1 alebo external phantom power source.
INPUT 2
Input gain
gombík je not Slowly increase the input gain gombík level to
in the MIC position engage the microphone pre-amp.
2017.06 | 01 | F.01U.341.640
Užívateľský manual
Electro-Voice