IMR-4 I/O Interface Module
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1095 Mearns Rd. Warminster PA 18974 TEL (215) 675-7805
poly-planar
Waterproof Marine Audio
d. In some instances it may be necessary to connect your source
equipment to the vehicle DC ground. Especially for AC
powered devices such as many TVs and VCRs.
19) Signal is too quiet / too loud from external subwoofer or powered
speakers
a. Be sure that you have connected the output of the IMR-4 to
the LINE level input of your woofer or amplifier. If input switch
settings are available then set them to ‘LINE’ or ‘low level
input’
b. In order to achieve proper balance from an externally
connected subwoofer or amplified speaker system you will
need to adjust the gain control on the external device. With
music playing at a moderate level, adjust the gain (volume)
control until the desired sound balance is achieved.
WARRANTY
Poly-Planar marine audio systems are warranted to be free of defects in
materials and workmanship for a period of two years. Warranty is subject to
proper installation and operation within published specifications. Poly-Planar
will repair or replace, at its discretion, any unit returned prepaid to its factory
and determined to be defective. Poly-Planar Inc. is not liable for consequential
damages.
