JVC KD-R720 Instructions Manual page 31

Symptom
Sound quality changes when receiving HD
Radio stations.
No sound can be heard.
"RESET 8" appears on the display.
"UNSUB CH" appears on the display while
listening to the SIRIUS Satellite radio.
No sound can be heard. "UPDATING"
appears on the display.
"NO SIG" or "NO SIGNAL" appears on the
display.
"NO ANT" or "ANTENNA"appears on the
display.
"INVLD CH" appears on the display for
about 5 seconds, then returns to the
previous channel or default channel while
listening to the SIRIUS Satellite radio.
Blank display appears.
"NO CH AV" or "CH UNAVL" appears on
the display for about 2 seconds, then
returns to the previous channel while
listening to the XM Satellite radio.
"OFF AIR" appears on the display while
listening to the XM Satellite radio.
"LOADING" appears on the display while
listening to the XM Satellite radio.
"RESET 8" appears on the display. /
Satellite radio does not work at all.
Remedy/Cause
Fix the reception mode either to <ANALOG/ DIGITAL>.
(page 20, 27)
<ANALOG> is selected when receiving all digital broadcast of
HD Radio station. Select <AUTO/ DIGITAL>. (page 20, 27) /
<DIGITAL> is selected when receiving weak digital signals or
receiving conventional radio broadcast. Select <AUTO/ ANALOG>.
(page 20, 27)
Reconnect this unit and the HD Radio tuner box correctly, then reset
the unit.
SIRIUS Satellite Radio is connected but does not have an active
subscription. See page 22 for information on how to subcribe.
The unit is updating the channel information and it takes a few
minutes to complete.
Make sure your Satellite Radio antenna is mounted outside the
vehicle. Move the vehicle to an area with a clear view of the sky.
Check your Satellite Radio antenna connection and be sure it is
firmly attached.
No broadcast on the selected channel.
Select another channel or continue listening to the previous
channel or default channel.
No text information for the selected channel.
Selected channel is no longer available or is unauthorized.
Select another channel or continue listening to the previous
channel.
Selected channel is not broadcasting at this time.
Select another channel or continue listening to the previous
channel.
The unit is loading the channel information and audio.
Text information are temporarily unavailable.
Reconnect this unit and the satellite radio correctly and reset this
unit.
ENGLISH 31