10Operating A TV/VCR Combo UnitSpecial OperationsRCA, GE and PROSCAN Brand Devices:Many of these devices (TVs and VCRs) will not need to beprogrammed. In the event that programming is required,the code search method is suggested.Note: With these brands, the device button (TV, VCR1, VCR2•LD,AUDIO) will usually turn the units on. The POWER button will onlyturn off the device, if you used the TV, VCR1 or AUDIO button to turnthe unit on.SCIENTIFIC ATLANTIC Cable Boxes:This brand of cable box can be programmed using the code searchmethod by using the CHANNEL UP key rather than POWER duringCode Search. NOTE: The device must be turned on prior to beginningthe code search. Once the device turns off, press and release ENTER.In most cases this cable box can be turned on and off using theCHANNEL UP key not the POWER button. If the unit will not turnon using the CHANNEL UP key, then manually turn it on andonly partial compatibility will be achieved.JERROLD or GENERAL INSTRUMENTS Cable Boxes:These units can be programmed using the code search method.In some cases, these devices will change channels during thecode search. Continue until the unit turns off, then pressand release ENTER.ZENITH and OAK cable boxesSome Zenith and Oak Cable Boxes require pressing CHANNELDOWN rather than ENTER after numeric entry.Some TV/VCR combination units may be controlled by using acombination of TV and VCR codes. For example, the Samsung TV/VCRcombo unit may be controlled by both the Samsung TVcode and the Samsung VCR code.