Thanks to Owner-Manuals.com! This manual was exactly what I needed. As Amana was purchased by Maytag and later by Whirlpool, there was no way to receive it from their websites. I was lucky to find this resource.
Great to be able to set channels again, on an old but stoll fine working TV
Text excerpt from page 27 (click to view)
If the upgrade is cancelled or any error is occurred during the loading process, a warning message is displayed and user is asked to press the SELECT button for returning the last watched channel.
After loading the software into memory (SDRAM), it will be written permanent memory (flash).If the STB power is down while new software is being written into the flash memory then new software will not run and old software will be cleaned also. The restoring code is G-O-L-F (3-5-4-2).To restore the receiver software please power off the stb from mains. When you power on the stb again you will recognize that the led at the front panel is first green for some time and then it is turning into red colour. To open the zipped software
which is stored in the factory you should at least press the G button of the remote control