Yep. cjmartin315 is right. It worked for mine, too... Until I got the GEX-P910XMT.
It doesn't do more than 16 characters on the display, though...
AND... your clock will only be shown when it is in "HIDE" mode, like with the current XM tuner system you have... When in hidden mode, the display will NOT show the title like yours (probably) does (if its like the older 910 and 903). It will only show the genre (Hits, etc).
In other words, no song information is shown while using the clock while using the AV display. Comparatively, no clock is shown while song information is di