Commodore C2N Operating Instructions Manual page 8

OPERATIONS TEST
To test the operation of your new DATASSETTE™ , write a short program,
SAVE it on to the cassette, and LOAD it back into the computer.
Get a blank cassette (a standard 1/8'' audio cassette is all you need) and
place it in the DATASSETTE™ . Always press REWIND to ensure that you are
starting at the beginning of the tape.
NOTE: Use a tape with playing time of 0 to 30 minute Lu NOT use anything
longer than this, because it strains your machine.
The following program shows the displays for the VIC and PET/CBM; if you
are using a different Commodore computer your display may vary slightly,
STEP 1 On the keyboard type: 10 PRINTTHIS IS A TEST"
STEP 2 press (uae
STEP 3 Type: SAVE" TEST"
STEP 4 Press
The display will show:
for VIC PRESS RECORD & PLAY ON TAPE
for PET/CBM PRESS PLAY & RECORD ON TAPE
No. 1
Do that by pressing the
RECORD arid PLAY buttons
until both keys lock.
The display will show: OK
for VIC SAVING TEST
for PET/CBM WRITING TEST
The red LED light will come
on, and then after a few
moments, the display will
show: READY
The LED light will go off.
The light stays on only during
the SAVE operation. Your
program has now been SAVEd.
Let's verify this.