3. A circuit as set forth in claim 2 which further includes: a continuous rewind bistable which can be set by one of said control lines and reset by said read command; a continuous rewind relay having switch contacts and a coil; and wherein the switch contacts of said continuous rewind relay are paralleled with the switch con acts of the relay driven by the rewind signal, said continuous rewind relay having its coil driven by the output of said continuous rewind bistable.
3. A circuit as set forth in claim 2 which further includes: a continuous rewind bistable which can be set by one of said control lines and reset by said read command; a continuous rewind relay having switch contacts and a coil; and wherein the switch contacts of said continuous rewind relay are paralleled with the switch con acts of the relay driven by the rewind signal, said continuous rewind relay having its coil driven by the output of said continuous rewind bistable. 4. A circuit as set forth in claim 3 which further includes: a continuous fast forward bistable which can be set by one of said control lines and reset by said read command; a continuous fast forward relay having switch contacts and a coil; and wherein the switch contacts of said continuous fast forward relay are paralleled with the switch contacts of the relay driven by the fast forward signal, said continuous fast forward relay having its coil driven by the output of said continuous fast forward bistable.