According to my research, the tracks can effectively only be controlled individually. In addition, USB sticks only work up to 128 GB. Here is a review from Just Media Things: https://www.youtube.com/watch?v=5CP1a2zWHjM On this video you can see a bit of the operation. However, not in the USB area.

Tried again today and lo and behold, it works, without RTS.

The size of the DAB radio is approximately 210 mm in width, 120 mm in depth, and 115 mm in height.

According to the operating instructions, this should work with the star button (bottom left on FB): Press and hold to open the preset memory menu; Press briefly to open the preset menu. Alternatively, perform a reset as described on page 26: "Delete all settings (reset) This function allows you to reset all customised all customised settings to the factory settings. In this case, all settings will be lost. 1 Open the menu by pressing and holding the pressing and holding the "MENU/INFO" BUTTON. 2 Select the "System settings" option with "r e" and confirm by pressing "OK". 3 Select the "Factory reset" option with "r e" and confirm by pressing "OK". - A security confirmation is displayed 4 Press "r" to select the "Yes" option. Note: 7 To cancel the function, select the "No" option by pressing "e". 5 To confirm the setting, press "OK". - Display: "Restarting".

Yes, the Grundig DTR 5000 X displays both the date and the time. The user can set the time and date manually or automatically and the display will show this information.

Yes, the Grundig DTR 5000 X supports the playback of music from a USB stick. You can connect the USB stick via the USB port on the device and play your MP3 music files.

Yes, but sideways not in front like usual radios. It works great for me because I have placed it in a corner which reverberates the sound beautifully.