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CABLE REQUIREMENTS
Output cabling need not be shielded in most cases and should be of sufficient gauge to minimize
losses due to the resistance of the wire over long runs (insertion loss). Cable thinner than 18
gauge is not recommended. Long runs require 16 gauge or heavier.
In some cases, where the output cable is run in close proximity to unshielded intercom cables,
electrical cables, radio transmission antennas or other sources of interference or when the
amplifier is being used for paging from a telephone system, the amplifier may require shielded
output cabling to prevent audio feedback or interference.
PRIORITY PAGE:THE AMPLIFIER FEATURES A VOICE ACTIVATED PRIORITY PAGE CIRCUIT
AND AUTOMATICALLY MUTES ALL PROGRAM MATERIAL (TUNER/TAPE/CD, ETC.) FROM THE
AMPLIFIERS OUTPUT AND PERMITS MICROPHONE # 1 AND THE TELEPHONE INPUT TO
OVERRIDE FOR PAGING ANNOUNCEMENTS.
TELEPHONE LINE: A TELEPHONE LINE INPUT OF 600 OHMS IS PROVIDED.
THERE ARE MANY OTHER FEATURES OFFERED. PLEASE READ MANUAL COMPLETELY.
WHENEVER IN DOUBT ABOUT INSTALLATION, CONSULT WITH A PROFESSIONAL
INSTALLER OR TECHNICIAN OR PERSONAL INJURY, DAMAGE TO THIS AMPLIFIER
AND/OR SPEAKERS MAY RESULT AND YOUR WARRANTY MAY BE VOIDED.
PHANTOM POWER JUMPER POSITIONING
These adjustments are to be made by qualified technical personnel – Be
certain unit is disconnected from A/C power source prior to removing unit’s
cover or electrical shock or injury may result. The unit provides a Phantom
Power DC 15V for electret condenser microphone use.
Jumper location is to enable (ON) or disable (OFF) Phantom Power feature.
Note: Units come with Phantom Power enable (ON).
JUMP-1
ON OFF
JUMP-3
JUMP-4
ON
OFF
ON OFF
ON
OFF
(MIC-1)
(MIC-2)
(MIC-3)
(MIC-4)