Instruction Manual
1352 Charwood Road, Suite D, Hanover, MD 21076 Tel (410) 761-4000 Fax (410) 761-6274 
  www.polyplanar.com 
3 
Connecting to a multi-zone audio system with the MRD-70 radio: 
1.  Connect the plug on the IXM-10 marked “Control Panel/Amplifier” 
to the “Network Source” plug on the RT-20 router. 
2.  Follow steps 2-6 from page 2, “Connection to the MRD-70 
CD/MP3 Radio” 
3.  Connect up to three other zones using MZ series amplifiers. 
4.  All zones can access the XM tuner by changing “Source” to XM. 
IXM-10 
RT-20 
MRD-70 
MZ 
Amplifier 
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