Table of Contents
Advertisement
100-05-0/F, LIB 2/6/01 9:26 AM Page 1
Troubleshooting Guide
Having trouble with the sound system?
Condition
No sound
(power LED not lit):
Charge indicator doesn't light:
No sound
(power LED lights):
Shortened battery life:
Distorted sound:
Excessive hum or noise:
Having trouble with the wireless system?
Condition
No sound
(TX ON indicator lights):
No sound
(TX ON indicator off):
ANCHOR Audio, Inc. (310) 784-2300
100-0005-000 / Revision F, 03/97
Possible Cause
• power switch OFF
• batteries fully discharged (LED flashes briefly)
• blown fuse
• no output from source
• input cable unplugged
• input volume control low or off
• plug inserted into switched speaker output,
but no speaker connected
• short in external speaker cable or speaker
• total external speaker impedance < 4Ω
• batteries not fully charged
• batteries need replacement
• poor connection on input cable
• input signal too strong
• input cable not shielded
• not using balanced microphone
Possible Cause
• mute switch set to 'mute' position
• wireless volume control low or off
• no mic plugged into belt-pack transmitter
• sound system not turned on
• transmitter power switch turned off
• low battery or no battery in transmitter
Liberty
Owner
s Manual
'
Advertisement
Table of Contents
Summary of Contents for Liberty 4500
- Page 1 No sound • sound system not turned on (TX ON indicator off): • transmitter power switch turned off • low battery or no battery in transmitter Liberty Owner s Manual ’ ANCHOR Audio, Inc. (310) 784-2300 100-0005-000 / Revision F, 03/97...
-
Page 2: Specifications
100-05-0/F, LIB 2/6/01 9:26 AM Page 3 Important Safeguards Specifications MPA-4500 CAUTI ON Rated power output: 70 watts @ 4Ω continuous RISK OF ELECTRIC SHOCK 120 watts @ 4Ω dynamic DO NOT OPEN Max SPL @ rated power: 119 dB project mode, 109 dB music mode CAUTION: To reduce the risk of electric shock, do not remove the cover. -
Page 3: Quick Use Guide
David Jacobs, President on behalf of all Anchor employees MP-4501 Companion Speaker Dual function (music/project) unpowered speaker which can be connected to the speaker outputs of a Liberty for increased crowd coverage. Speaker cable not included. Quick Use Guide SC-50 Speaker Cable Heavy duty 50' speaker cable. -
Page 4: Getting Started
*Duracell shipping carton MN1604 or BODY-PACK: Press the “OPEN” end of the battery cover, and packing • Liberty sound system equivalent. materials. They slide it back and lift the cover. Install a fresh 9 Volt alkaline • Warranty registration card were specially battery* being sure to observe proper polarity. -
Page 5: Feedback Information
100-05-0/F, LIB 2/6/01 9:26 AM Page 9 Wireless Operation Feedback Information Setting up the wireless system What causes feedback? Feedback is a ringing, howling, or shrill sound that is self- Checking the Frequency Code: generated by the sound system. It is the result of sound from Before proceeding, you must first verify that the wireless Now Featuring the speakers being picked up by the microphone(s) in use... -
Page 6: Set-Up
CHARGER Plug cord into AC outlet. front. The Liberty is easily and safely elevated above Light On = charging. When the batteries are fully charged (about 6-8 hours), Flashing = fully charged. -
Page 7: Operation
The audio signal is fed directly into the mixing bus be used during setup to minimize feedback, which is caused so the sound can be mixed with other inputs of the Liberty. by the microphone ‘hearing’ the sound reflected back from... -
Page 8: Liberty Control Panel
Use the unswitched output to power a companion speaker in SPKR OUT Speaker Output (switched) addition to the speakers in the Liberty (for broader sound SPKR OUT coverage and distribution). Use a speaker rated at 8Ω, such as SPKR OUT (switched) Anchor’s MP-4501.
Need help?
Do you have a question about the 4500 and is the answer not in the manual?
Questions and answers