Electro-Voice ZLX Series Installation Manual page 30

30 en | Troubleshooting
Problem
6. Sound is distorted
front LED is OFF,
LCD screen LIMIT is
ON
7. Microphone
produces acoustic
feedback when
input level is
amplified
8. DSP menu is locked The Menu Lock
9. No streaming audio STREAMING is set to
2018.04 | 01 | F.01U.349.854
Possible Cause(s) Action
Excessive input level Reduce the input level or loudspeaker level knobs to
prevent limit.
Incorrect gain Verify level controls of the source are properly structured
structure or source by using the VU meter indicator on the LCD screen. If the
input (mixing VU meter bar is solid or the system indicates LIMIT, the
console/preamp) is input or source level is too high.
overdriven
Incorrect gain Reduce the microphone levels at the mixing console or
structure input source. If the microphone is connected directly to
the speaker, reduce the input level on the speaker.
Positioning the microphone close to the sound source
increases gain-before-feedback. See problem 6.
MODE is set to Change the MODE to LIVE or SPEECH.
MUSIC
Microphone position Whenever possible setup the loudspeakers so the
is too close to the microphone is behind them. If using the loudspeaker in a
front of the monitor position, aim the loudspeaker to the back of the
loudspeaker microphone.
Press and hold the MASTER VOL knob for 5 seconds.
function has been
turned on. A lock
symbol displays on
the LCD screen.
Set STREAMING to PAIRING and initiate the Bluetooth®
OFF pairing process on your mobile device.
Mobile device is If you have previously paired to a different Bluetooth®
paired to the wrong enabled ZLX loudspeaker, you may be pairing with the
speaker. wrong device. Try deleting all saved connections labeled
EV ZLX BT and try the pairing process again.
Input level is too low While music is playing, turn up the volume on the paired
mobile device. You will see the BT VU Meter receiving
signal. Reduce if you see a CLIP notification.
Output Gain is too Increase output gain by setting your LEVEL with the
low MASTER VOL knob, paying attention to CLIP and LIMIT
notifications.
Installation manual
ZLX Powered Loudspeaker Series
Electro-Voice