Specifications cr-100: model : CR100; modified item: No; custom bundle: No; type: Clock Radio; features: Alarm; brand: ZENITH; non-domestic product:Zenith Model B471R Solid State AM AFC FM Alarm Clock Radio Vintage Rare. $37.00 Buy It Now or Best Offer. See Details Zenith z 212 B alarm clock radio. Zenith Clock Radio Z212B. 1 Solutions. Owners Manual for Zenith Z139S Clock Radio need to know how to change radio station presets. Zenith Clock Radio Alarm Clock for Bedroom, 2 Alarms Loud LED Big Display Clock with USB Charging Port, Adjustable Volume, Dimmable, Snooze, Plug in Simple Basic Digital Clock Zenith Z213W AM/FM Alarm clock radio If it's at all possible to obtain a user instruction manual/handbook, Press the desired Preset button