ID Tech EzWriter User Manual page 55

E (45H) Load Custom data for encoding track 1
F (46H) Load Custom data for encoding track 2
G (47H) Load Custom data for encoding track 3
FORMAT These commands may be either 2 or 3 bytes long.
2 byte command – Used to load custom data with no internal null characters allowed. The
command character is followed by an ASCII number (3,4,5,6 or 7) which specifies the
number of bits per custom character.
3 byte command – Used to load custom data with internal null characters. The command
character is followed by the underline character ("_" 5FH) and the ASCII number (3,4,5,6
or 7) which specifies the number of bits per custom character.
ACTION The unit performs the following sequence: Clear the Encode Data storage
for the specified track. If an invalid track number is sent the unit sends an Invalid
Command ("!" 21H) response. Transmit Command acknowledge ("^" 5EH)
Wait for download of the Encode Data string in ASCII, terminated by the ASCII EOT
character (04H). If data is good, transmit Acknowledge ("^" 5EH). Else, transmit "*" error
response.
Density Commands: Use these commands to set the bit density of the encoded data
; (3BH) Set Write Density
FORMAT 3-byte command - ";TD" where:
; = Command character (3BH)
T = ASCII character (1, 2 or 3) representing the track number being configured.
D = ASCII character (H or h) for 210bpi; ASCII character (L or l) for 75bpi
ACTION The unit performs the following sequence: Set density for the specified
track. If an invalid track number or density parameter is sent the unit sends a "*" reply.
Transmit Command acknowledge ("^" 5EH). This command allows for full independence
in setting the densities for each track. Tracks 1 and 3 are not forced to be the same as in
previous models.
Notes (1) On Power-up/Reset, Tracks 1 and 3 default to 210bpi and Track 2 to 75bpi.
(2) These commands must be sent prior to any Load Data commands. Errors may occur
otherwise.
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