HOW TO RESCAN ON DIFFERENT BRANDS OF TV
ELEMENT JVC
Menu,TV settings, Autoscan, then press ok to start scan Menu, Settings, Channel,  selec "Antenna", enter to start
EMERSON    see FUNAI others: Menu, Autotuner, start
FUNAI LG
Menu Menu, Channel, Auto Tuning, then enter to start
Channel Set(use up down arrow, use VOL button on some models) Magnavox
Automemo(may need to use VOL buttons on some models) Menu, Installation, Autoprogram, select "Antenna"
Press up arrow to start scan select "Start now"
when Automemo is completed,lowest channel  appears PANASONIC
HAIER Menu, then arrow down to "wrench" symbol
TV mode, Menu or Set-up
then use left/right/up/down arrow  to select CHANNEL, then OK Autoprogram, then OK
Select AIR(if not yet in AIR)  "ANT/cable" -must be  ANT
highlight AUTOSCAN PHILIPS
select OK to start scan Menu, installation, Channels, Autoprogram, START now
HISENSE HISENSE H5 SERIES PROSCAN(RCA)
TV menu Quicksetup MENU button Menu, channel, Autoscan,  enter. Air/cable must be "Air"
Antenna Channel SAMSUNG
Autochannel search Tuner mode, Auto channel scan Menu, Channel,  Autoprogram Air/cable must be "Air"
Samsung SMART TV
HITACHI ROKU TV LCD Menu, Broadcasting, Autoprogram, start
Home Menu, Channels SANYO
Settings, TV input, Antenna Source- select "AIR" Menu, Channel, Autoscan, ok. Air/cable="Air"
Scan for channels down arrow to "New Channel scan" other models : Menu, Set-up, Autoprogram, ok
PLASMA or "Autochannel scan" SCEPTRE
Menu, Channel Manager Menu, TV, Tuner mode, select "Air",
Autochannel scan arrow down to Channel scan
Select "AIR" other: Menu, Channel, Auto CH search
INSIGNIA SHARP
Menu (button with 3 lines) Menu, initial set-up, Broadcast settings, 
Channels, Auto channel scan Channel Setup, Channel search, enter
(select "AIR" if not yet in "AIR", also in CH Setup)
SONY
Menu (or Home), Set-up(or Settings), Channels(or system), Program channels, 
Autoprogram(or Digital scan), then Select or OK
BRAVIA Menu, Channel settings, Autoprogram,  press OK
Other Model: On the top of the monitor, presse INDEX (if applicable)
Menu, TV, Settings, TV/Video, Channel Settings, Auto Program
In the "Starting automatic scan", tap OK
SYLVANIA similar to FUNAI except it uses "Autopreset" instead of "Automemo"
SYMPHONIC - similar to FUNAI except it uses "Autopreset" instead of "Automemo"
TCL
LCD- Menu, Set-up, Channel scan, press OK or right arrow to start
ROKU- Home,antenna, start finding channels(skip scanning cable TV)
TOSHIBA
Menu, Setup, Installation, channel program, start scan
VIZIO
Press Menu (other models press "OK" at the center of remote) 
TV settings,  Tuner settings, Auto channel scan(or autosearch)
make sure input source is "TV", Tuner mode is "antenna"
WESTINGHOUSE
 Menu, TV program, Autosearch, Air
ZENITH
Menu, Setup, Autotuning, start