Scientific Atlanta AT8420TM User Manual
If you program codes to control devices,
record your codes here:
CBL: _____________________
TV: _______________________
VCR: _____________________
AUX: _____________________
AT8420™ AllTouch
®
Remote Control
User’s Guide
1
In This Guide
Welcome to the Ultimate Control Experience! ............................................................................ 3
How Does a Universal Remote Control Work? ........................................................................... 3
Where Do I Start?............................................................................................................................ 3
Important Information About Power Control ............................................................................... 3
Quick Reference ............................................................................................................................. 4
What Devices Can I Control? ........................................................................................................ 6
What Devices Do I Want to Control? ............................................................................................ 6
Reassign Mode Keys ...................................................................................................................... 6
Program the Remote to Control My Devices ............................................................................... 7
What If None of the Codes Work? ................................................................................................ 8
Which Code Worked?..................................................................................................................... 9
Change Power Control ................................................................................................................. 10
Change Volume Control ............................................................................................................... 12
Change Channel Control ............................................................................................................. 13
Put It Back the Way I Got It .......................................................................................................... 14
Code Tables .................................................................................................................................. 15
FCC Compliance ........................................................................................................................... 20
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Welcome to the Ultimate Control Experience!
Your new AT8420™ AllTouch® Universal Remote Control (remote) is a true universal
remote, functioning as four remotes in one. As one example, you can use this remote to
operate your TV, VCR, cable box, and receiver.
How Does A Universal Remote Control Work?
You tell the remote which type of device you want to operate using the four keys arched
across the top of the remote. These keys, known as mode keys, are labeled CBL, TV,
VCR, and AUX. Each mode key is associated with a specific device. As an example, if
you want the remote to operate your TV, you simply press the TV key. Other keys you
press on the remote thereafter should operate your TV. Want to switch the remote to
operate a different device? Just press the mode key for the next device you want to
operate. In this guide, you will learn which types of devices you can control and how
to program the remote to control your specific devices.
Note: Some remote keys may not operate in all modes. You can even program your
remote to assign specific functions, such as channel control, to operate one device only.
You will learn more about these advanced functions later in this guide.
Where Do I Start?
Before you begin programming your remote, complete the following initial setup tasks.
Install the Batteries
The remote requires two AA batteries (alkaline recommended). A diagram in the battery
compartment of the remote indicates proper placement of the batteries. When batteries
are properly installed, the light on the remote blinks each time a key is pressed.
Visit the Quick Reference
Timing is often important when you program advanced features. Therefore, knowing
where certain keys are on the remote gives you an edge in pressing the right key at the
right time.
Find a Place to Store Your Remote
Keeping up with one remote is much easier than keeping up with four remotes. However,
it is still a good idea to find a storage location for your remote. The AT8420 AllTouch
Remote Control is not a toy. It should be kept out of the reach of children under the age
of 6 years.
Important Information About Power Control
Scientific-Atlanta strongly recommends that you turn off your cable box every time you
turn off your TV. To make this easier, you can program your remote to turn both devices
on or off at the same time. After you program the remote to control your four favorite
entertainment devices, see Change Power Control to learn more about programming
your remote to control power for the TV and cable box at the same time.
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Quick Reference
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T10765
Device Control
Viewing and Browsing Control
1 Powers on or off
28 AUX Mode key
29 VCR Mode key
2 TV Mode key
3 Cable Mode key
14 Selects the video source
Sound
22 Adjusts volume
21 Mutes sound
VCR/VOD (Video On Demand) Control
Note: In VCR mode, these keys control
your VCR.
26 Displays the program guide
27 Displays the Applications
Menu
4 Displays channel and
program information
5 Navigates through settings
or the program guide
25 Moves through selections
7 Selects and deselects
screen item
24 Displays the General
Settings or Quick settings
menus
6 Exits settings, menus,
and guides
23 Selects options in menus
and the program guide
8 Selects channel, up or down
19 Rewinds VCR/VOD
10 Plays VCR/VOD
11 Fast forwards VCR/VOD
18 Stops VCR/VOD
17 Pauses VCR/VOD
12 Records program
20 Views favorite channels
9 Returns to last channel
viewed
16 Enters channel numbers
and remote codes (also
enters your parental
control PIN)
15 Reserved for future use
13 Reserved for future use
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What Devices Can I Control?
The mode keys arched across the top of the remote tell the remote which device you
want to operate.
Each mode key is associated with different groups of devices. You can use each mode
key to control one of its associated devices:
Mode Key Associated Devices
CBL .......... cable boxes and satellites
TV............. TVs and HDTVs
VCR ......... VCRs, DVD players, and CD players
AUX ......... receivers, amplifiers, and tuners
What Devices Do I Want to Control?
Record the devices (including brand) you want to control here:
1_____________________________ 3_____________________________
2_____________________________ 4_____________________________
Does each mode key relate to only one of your devices? If yes, go to Program the
Remote to Control My Devices. Otherwise, reassign mode keys to match your
combination of devices.
Reassign Mode Keys
If you are a big movie fan, you may want to control two video recording devices.
Perhaps you have a DVD player and a VCR, or a VCR/DVD combination device. How
can you control both the VCR and the DVD player when you only have one VCR key?
With the AT8420, you can reassign a mode key to operate in a different mode. For
example, you can reassign the AUX key to operate in VCR mode. Then, you can
program the AUX key to control your DVD player. You can reassign the AUX key, the
VCR key, or both. The TV key and the CBL key cannot be reassigned.
Reassigning Mode Keys
(Program Code 9 9 2)
1. Press and hold SELECT and CBL until all mode keys blink twice.
2. Press 9 9 2. The CBL mode key blinks twice.
3. Press the mode key associated with the type of device you want to control, and then
press the mode key that you want to change. All mode keys blink three times.
Some Common Examples
• To program the AUX key to operate in VCR mode, press VCR and then AUX.
• To program the VCR key to operate in TV mode, press TV and then VCR.
4. When finished, go to Program the Remote to Control My Devices.
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