How do you cancel a cycle to start over? Also the manual is lost, how do I get another one or download one online?

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

• 
  

  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.
  
  ..

The cancel light is on because the cycle maybe paused or canceled. The lit red button should say Cancel/Drain. If you already tried to press start and if it won't finish the cycle then try pressing the Cancel/Drain to drain and start over.

"PF" flashes if the washer loses power during a running cycle. The washer does not flash "PF" when it is first plugged in. Press START to continue the cycle from the moment that power was lost
-OR-
Press STOP/CANCEL to clear the display and completely cancel the cycle.

“F” Variables [other than FH, F02, and SUD] (Electrical
Problem)
Select PAUSE/CANCEL twice to cancel the cycle. Select
DRAIN/SPIN if there is excessive water in the washer.
Re-select cycle and select HOLD TO START. If the problem
remains, call for service.

You can download the manual here:

http://shared.whirlpoolcorp.com/assets/pdfs/literature/Use%20and%20Care%20Guide%20-%208182748.pdf

Press STOP/CANCEL to clear the display and completely cancel the cycle

flashes if the washer loses power during a running cycle. The washer does not flash "PF" when it is first plugged in.
Press START to continue the cycle from the moment that power was lost

flashes if the washer loses power during a running cycle. The washer does not flash FH" when it is first plugged in.
Press START to continue the cycle from the moment that power was lost

-OR-

Press STOP/CANCEL to clear the display and completely cancel the cycle.

go the the sears site and they have manuals there online most of the time and i believe you can even download and print them.

PF Power failure "PF" flashes if the washer loses power during a running cycle. The washer does not flash "PF" when it is first plugged in.

Press START to continue the cycle from the moment that power was lost.

OR

Press STOP/CANCEL to clear the display and completely cancel the cycle.

Changing Cycles, Options and Modifiers
Not all Options and Modifiers are available with all cycles. Cycles,
Options and Modifiers can be changed anytime before HOLD TO
START is selected.
Options and Modifiers can be changed anytime after HOLD TO
START is selected and before the start of the selected Option or
Modifier.
To cancel a cycle and select a new cycle
1. Select PAUSE/CANCEL twice.
2. Select desired cycle.
3. Select the desired OPTIONS.
4. Select HOLD TO START (for approximately 1 second) to
restart the washer at the beginning of the new cycle.
To cancel a cycle
1. Select PAUSE/CANCEL twice.
2. The washer powers down, the door unlocks, and clothes can
be removed.
NOTE: If the water level or the temperature is too high, the
washer will drain automatically before the door unlocks.
To change Options or Modifiers after the cycle has started
1. Select PAUSE/CANCEL.
2. Select the desired OPTIONS or MODIFIERS.
3. Select HOLD TO START (for approximately 1 second) to
continue the cycle.
To drain the washer manually
1. Select PAUSE/CANCEL.
2. Select DRAIN/SPIN.
3. Select HOLD TO START (for approximately 1 second) to
begin the drain.
4. When the spin is complete, the door unlocks. Items can be
removed from the washer.

OL on my washing machine