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 25 (click to view)
User Manual BDS4223V
6. BASIC FUNCTIONS
6.1 POWERING ON/OFF
Make sure the monitor is plugged into the wall outlet and the main AC switch located in the rear of the monitor is switched to ON position. If the power is plugged in and the AC switch is on, the STATUS LED will illuminate in orange color.
Using Front Panel or Remote Control 1 Press the POWER button on the front panel or the remote control. => The monitor will now turn on after a brief pause. The STATUS LED will now turn green to indicate power on status.
2 Turn off the power by pressing the POWER button on the monitor panel or remote control again.
Using Discrete Power ON/OFF Keys The discrete POWER ON/OFF keys sends two discrete signals to the monitor.
1 Turn on the power by pressing the POWER ON button. If the monitor is turned on already, pressing this button will have no effect. 2 Turn off the power by pressing the POWER OFF button. If the monitor is already turned off, pressing this button will have no effect.
Status LED: â� Not Illumated = No AC Power detected If the main power switch (rear of panel) is turned off, this LED will not illuminate.
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Orange = Standby (Power OFF) with AC power detected The LED will illuminate in orange color if the monitor is in standby mode. Solid Green = Power ON