Alarm clock GE model no. 7-4894A but no manual

There is no manual. This unit is considered vintage from a time before the Internet and its repository of manuals.

These that the closest.

Ge 7-4837 Manuals ' ManualsLib

https://www.manualslib.com > ... > Clock Radio
Ge 7-4837 Pdf User Manuals. View online or download Ge 7-4837 Instructions Manual.
Missing: 4839A ‎' Must include: 4839A

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  Ge 7-4894A Manuals ' ManualsLib

  https://www.manualslib.com > ... > Alarm Clock
  Ge 7-4894A Pdf User Manuals. View online or download Ge 7-4894A User Manual.
  
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GE 7 4853 Clock Radio

Also, video showing buttons and how to turn it off.
How To Turn Off The Alarm On The RCA Talking Clock

SETTING THE WAKE TIME You can select two different wake times for music or alarm to turn on automatically. WAKE 1 and 2 controls are located on top of the unit behind the SNOOZE bar.

1. Slide switch to SET position. The display will change to wake time.
2. Use the FAST FORWARD, FORWARD and REVERSE buttons as needed until you reach your desired AM or PM wake time. For music, select an AM or FM station and then turn the radio off. Set wake time and then slide the switch to MUSIC. For Alarm, set wake time and then slide switch to ALARM position. If a wake time is set, an indicator in the display lights and the unit turns on in the chosen mode (alarm or music) at the set time for approximately one hour. To turn off the wake mode, slide the switch to OFF or press the OFF button. NOTE: If both Wake 1 and Wake 2 controls are in the SET position, the time of day is displayed. GE 7 4825 User Manual

If it has a wake button, push and hold the wake button while you push the hour and minute buttons to set the time to wake. It may have an alarm button instead of a wake button. Then there should be a switch to set to wake to alarm sound or music.

Download the manual here: http://www.manualslib.com/manual/1056350/Ge-7-4809.html

You can download copy of the user manual for this device from this link , just click HERE and you can follow the steps there on how to set the time on it and make sure to save a copy of the manual for future use.

To set the clock: 1. Press the SET button, the" : " will flash on the display 2. Press REV or FWD to set the time 3. AM or PM icon will show beside the time
The full manual can be found here, http://www.manualsonline.com/mdownloads/f8c57200-2d5f-c184-7944-ec02d8f9e065.pdf

Press the SET button
The ":" will flash.
Press REV or FWD to set time.

Entire manual:
http://www.manualsonline.com/mdownloads/f8c57200-2d5f-c184-7944-ec02d8f9e065.pdf

The manual is at http://ec1.images-amazon.com/media/i3d/01/A/man-migrate/MANUAL000045591.pdf

What I have found with my alarm clock like this one is that you CANNOT be soft on it. When setting the time, hold down the F or R button extra hard. I know that seems odd, but it works!