The CM-7000 does not have a signal strength "meter" on screen. Looks like the newer generation CM-7001 may have this along with lots more bells & whistle features (including HDMI output). There's a few of the CM-7000's out there on ePay now for ~~ $40-$50 or so; about what they listed for in 2007.
http://www.ebay.com/itm/Channel-Mast...item4622e15eda
http://www.ebay.com/itm/Channel-Mast...item4ad57a31ea
Tom (PK)