User`s guide

SET DZ
(DZ)
Sets the DZ diskette handler (RX50 diskettes for Professional 300 series).
Format
SET DZ condition
Condition
RETRY=n
Specifies the number of times the device handler attempts to recover from an I/O
error. The value n must be an integer in the range 1 through 127. The default
value for n is 8.
[NO]SUCCES
(Valid only with error-logging support) SUCCES, the default, logs successful I/O
transfers as well as errors when running the Error Logger. NOSUCCES logs
only I/O errors.
234 RT–11 Command Descriptions