I programed a RCA universal remote to my emerson ewc20d3 television . but it is in antena mode and i need to get it in cable mode and when i press the menu button on the remote nothing comes up

Instructions

1. • 1Remove the battery cover and insert new batteries into the remote. Press the "Power" button on the television to turn it on.
   • 2 Press the "PRM" button that is in the lower left corner of the remote control. You should see the signal indicator light come on.
     
   • 3 Click the DTA800 TV Codes link in the resource section to view a list of program codes for the converter box. Enter the 3-digit code for your television by pressing the number keys on the keypad. Press the "OK" button when finished. You should see the indicator light turn off.
     
   • 4 Point the remote at the television and press the volume keys on the remote control. If the volume for the television changes, the remote has been programmed successfully.
     
   • 5 Enter another 3-digit code for your television if the first code fails to program the remote
     
   • CODES : Emerson
     • The RCA Universal Remote has 17 different codes for Emerson televisions. These codes are 011, 026, 027, 028, 029, 030, 031, 032, 037, 042, 053, 064 065, 067, 075, 076 and 079. There are 18 different Emerson VCR codes. These codes are 008, 009, 010, 013, 015, 020, 023, 027, 034, 041, 042, 047, 057, 062, 065, 067, 068 and 070. There are no codes for Emerson cable boxes.
     
     
     Hope this helps. =)

Hello
Setup codes for Emerson TV with "Comcast On demand Custom-3 Universal remote control are:

0154, 0236, 0463, 0180, 0282,
0178, 0179, 0038, 0177, 0280

The Comcast Custom 3-Device universal

remote control is preprogrammed at

the factory to operate the Cable Box

supplied by your Comcast system, an

RCA TV, and an RCA VCR (in the AUX

mode). To control devices other than

default brands (excluding the Cable

Box), perform the below steps; otherwise
skip this section:

1* Turn on a device (e.g., VCR or DVD

Player) and, if applicable, insert

media, (e.g., video cassette or disc).

NOTE: Please read steps 2 to 6 completely

before proceeding. Highlight or write

down the codes and device you wish to
program before moving on to step 2.

2* On the remote control, press a

device key once (i.e., AUX or TV).

NOTE: Use the AUX key to program

control of an Audio Amplifier or

Receiver, a DVD Player, a Home-

Theater-In-A-Box Device, a PVR (or
DVR), or a VCR.

3* Press and hold Setup until the

selected mode key blinks twice,
then release Setup.

4* Locate the code for your device in

Manufacturer's Codes on the back

of this user guide. Brands are listed

in alphabetical order with the
most popular codes listed first.

5* Enter the first four-digit code for

your device. If you perform this

procedure correctly, the selected

mode key will blink twice.

NOTE: If you enter an invalid code, the

selected mode key will display one long

blink and exit the programming mode.
Repeat steps 2 to 5 with a valid code.

6* Aim the remote control at your

device and press Power once. The

device should turn off. If it does

not respond, repeat steps 2 to 6,

trying each code listed for your
brand until you find one that

Searching For Your Code.

NOTE: If the device does not have a
Power key, press the (Play) key
OK

Hello
There are so may RCA model remote controls with black colour. If you send the model number of your RCA remote control I will try to send the codes for Emerson. Its model number will be either on its front or back cover, or inside the battery stop lid. Anyway I hereby give you some universal remote control codes for RCA with Emerson TV. Just try them.

011, 026, 027, 028, 029, 030, 031, 032, 037, 042, 053, 064, 065, 067, 075, 076, 079
Four digit universal remote codes for RCA are:
0031 0004 0048 0054 0094 0100 0102 0107 0129 0191 0005 0009 0000 0162 0163 0342 0003 0015 0022 0096 0113 0125 0179 0187 0188
Direct Code Entry

1. Press and hold the SETUP button until the red indicator stays on, then release the SETUP button.
2. Press and release the desired Mode button (TV, VCR, etc.). The red indicator blinks, then stays lit.
3. Enter the 4 digit code from the code tables. Note: after a valid code entry, the red indicator turns off. For an invalid code, the red indicator flashes.
4. With your device on, press CHANNEL UP. If the device responds, no further programming is required. Note: If some buttons do not operate your device, try one of the other codes for your brand

Here are some codes for your Emerson TV.

065,067,075,076,079
011,026,027,028,029,030
031,032,037,042,053,064

Here are some instructions as well for your RCA Remote:
Programming a device using the Code Lists:

1. Find codes for each device and brand below.
2. Press and "HOLD" CODE SEARCH.
3. Press and release the TV, VCR or Cable button you want to set up. If programming AUX for a device, press and release AUX first and then the device to be programmed (TV, VCR or Cable). When the selected device button flashes proceed to the next step.
4. Enter the three digit code from the TV, VCR or Cable Box code lists.
   
   
5. Release CODE SEARCH.
6. With the device on, press another button, for example CHANNEL UP. If the device responds, no further programming is required. If the device does not respond, repeat steps 1-5 using another code number from the lists.

Hope that helps.

go to remote manufacturers website click support you can download manual

Enter 4737

To see RCA's code list you probably need their website but Emerson is one of several names now owned and built by Funai, who also builds Symphonic & Sylvania. 
You might want to try those codes with your set.  

RCA Universal Remote Control Programming Codes Programming Your Universal Remote.

The remote may already be set up to operate your brand of TV, VCR, or Cable Box. It is pre-programmed with following codes:

• TV-000
• VCR-000
• Cable Box-000
• AUX is programmed with VCR code 037

For brands that require programming, there are two ways to program: Using Code Lists or Code Search. Use Code Search if the code lists are not available or if the codes from the lists do not operate a device.

Programming a Device using Code Search:

1. Manually turn ON your device (TV, VCR, Cable Box)
2. Press and "HOLD" CODE SEARCH
3. Press and release the device button you want to set up (TV, VCR, Cable Box) However, if you are using AUX for a device, press and release AUX first and then the device button for the type of device to be programmed (TV, VCR, or Cable). The selected device button will flash once.
4. Release CODE SEARCH.
5. Press OFF/ON repeatedly until the device turns off (you may have to press up to 100 times at a rate of once per second).
6. Once the device turns off, press and release ENTER.
7. With the device on, press any other button. If the device responds, no further programming is required. If the device does not respond, repeat steps 1-6.

Programming a device using the Code Lists:

1. Find codes for each device and brand below.
2. Press and "HOLD" CODE SEARCH.
3. Press and release the TV, VCR or Cable button you want to set up. If programming AUX for a device, press and release AUX first and then the device to be programmed (TV, VCR or Cable). When the selected device button flashes proceed to the next step.
4. Enter the three digit code from the TV, VCR or Cable Box code lists.
   
   
5. Release CODE SEARCH.
6. With the device on, press another button, for example CHANNEL UP. If the device responds, no further programming is required. If the device does not respond, repeat steps 1-5 using another code number from the lists.

Emerson CODES 011,026,027,028,029,030 031,032,037,042,053,064 065,067,075,076,079

ive got the same problem.
Did you ever solve it

here is a website that can help you https://www.rca.com/secure/service/contactrca/1,,,00.html