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 39 (click to view)
see page 63.
MONITOR switch
The audio input in the shooting mode can be monitored through an earphone or headphones connected to the EARPHONE jack. The audio monitor output signal is monaural. * In the shooting mode, sound is not output from the built-in speaker. Select the audio channel to be monitored using the MONITOR switch. �CH-1� : The signal input to the CH-1 channel is output. �MIX� : The sound input to the CH1 and CH2 channels is output mixed. �CH-2� : The signal input to the CH-2 channel is output. The volume of the monitor sound in the shooting mode is set with the EARPHONE LEVEL item on the TOP MENU screen. (