GRAVITAR SELF TEST ERROR CODES

RAM TEST:  Indicated by a series of tones and an "R" on the screen.
 
      # of tones                 Failing RAM
        1 or 2                     N/P1
        3 or 4                      K7

ROM TEST: 

       Displayed #               Failing ROM
           0*                        L7
           1*                       M/N7
           2*                       N/P7
           3                         R7
           4                         D1
           5                        E/F1
           6                         H1
           7                         J1
           8                        K/L1
           9**                       M1

* If this ROM is bad you will hear a constant low tone, and the program may
      be unable to display a screen image.
** If this ROM is bad, the screen may be blank.

Other Errors:

        Displayed                Location
            E                   EAROM @ M2
            P                   Pokey @ C/D3
            Q                   Pokey @ B3

All Information Copyright Atari Games.