Polk Audio XRt112 User Manual

TROUBLESHOOTING

Your XM Reference Tuner is designed and built to provide trouble-free performance without the need for 
service. If it does not appear to be functioning correctly, please follow these troubleshooting tips.

1. Make sure all connectors are properly attached to the rear panel of the XM Reference Tuner and 

to your home audio system.

2. Make sure that the unit is plugged into a standard 120V home current. You may also plug the Power 

Cord of the XM Reference Tuner into the switched AC Outlets of your pre-amp/receiver, if available. 

3. Make sure you have activated your XM Satellite Radio subscription. You must activate your XM Satellite 

Radio service in order to use this product. To activate your XM Satellite Radio service, make sure you   
have a major credit card and your XM Satellite Radio ID Number handy and contact XM at 
http://activate.xmradio.com. You can also activate your service by calling 1-800-852-9696. 

NO SIGNAL
Cause: The XM signal is out of range.

Reposition your High-Gain Antenna.

ANTENNA

Make sure your antenna is securely attached to the 
rear of the unit, that the antenna cable is unkinked 
and undamaged. Turn the XM Reference Tuner off 
and then back on to reset this message.  

OFF AIR

Tune in to another channel.

Cause: The channel selected is not 
currently broadcasting.

You can only receive XM channels 0 and 1. 

Contact XM as described in the 

Cause: Your XM Reference Tuner is not activated.

ACTIVATING YOUR XM SYSTEM section.

The audio sounds distorted.

Reduce the audio output level as described in the 
Menu Commands and Settings Line 
Level Out section.

The audio level is too low.

Increase the audio output level as described in the 
Menu Commands and Settings Line 
Level Out section.

You cannot tune in to a channel.

1. Make sure the channel has not been “skipped.”

(See “Channel Skip/Add.”)

2. Verify that you are authorized to receive that 

channel as part of your subscription with XM and 
that you have not asked XM to block that channel 
on your XM Reference Tuner.

No song title or artist name displays.

Nothing is wrong with your receiver. This is normal 
on many talk and news channels where there is no 
song playing. Also, this information may not yet be
in the database for some music channels. 

10

Contact Polk Audio Customer Service 1-800-377-7655 (Outside US: 410-358-3600) Monday-Friday, 9:00 AM-6:00 PM Eastern Time, polkcs@polkaudio.com

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XM REFERENCE TUNER SPECIFICATIONS

Signal to Noise Ratio

>80dB

Total Harmonic Distortion + Noise

<0.1%

Channel Separation

>50dB

Dimensions (with feet)

17” W x 2.3” H x 10.5” D
432mm x 58.4mm x 266.7mm

Remote

2.25" W x 5.375" H x .9" D

Product Weight

6.5 lb.; 2.9 kg

Inputs

XM Antenna – 1 SMB connector
RS-232C Controller Port

Outputs

Analog Audio – RCA plugs
Digital – Coax and Optical/Toslink
Video – Composite video

Color

Black

CONTACTING CUSTOMER SERVICE

Subscription Issues
If you still need assistance, contact XM Satellite Radio by calling 

1-800-XM-RADIO (1-800-967-2346)

. 

Hardware Issues
Contact Polk Audio Customer Service 9am-6pm EST 1-800-377-7655, or email polkcs@polkaudio.com.

Use only a soft dry cloth to clean cabinet of your XM Reference Tuner.
Do not use any solvents, chemicals or cleaning solutions containing alcohol, ammonia or abrasives. 
Do not allow liquids to spill on the unit.
Do not use sprays near your XM Reference Tuner.
Keep your XM Reference Tuner out of direct sunlight or other sources of extreme heat.
Make sure your XM Reference Tuner has adequate ventilation.
Failure to follow these instructions may result in damage to your XM Reference Tuner and may 
void the warranty.