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F S q n [xL xH yL yH d1…dk] 1… [xL xH yL yH d1…dk] n
[Function] Defining the download NV bit image
[Code] <1C>H<71>H<n>[<xL><xH><yL><yH><d1...dk>]1
...[<xL><xH><yL><yH><d1...dk>]n
[Range] 1 n 255, 0 xL 255,
0 xH 3 but, 1 (xL + xH × 256) 1023
0 yL 255
0 yH 1 but, 1 (yL + yH × 256) 288
0 d 255
k = (xL + xH × 256) × (yL + yH × 256) × 8
Total definition area = 2M bits (256K bytes)
[Outline] This command defines the specified NV bit image.
• “n” denotes the number of bit images to be defined.
• xL and xH denote the horizontal size of one NV bit image as (xL + xH × 256) × 8 dots.
• yL and yH denote the vertical size of one NV bit image as (yL + yH × 256 ) × 8 dots.
[Caution] • Because all the NV bit images previously defined by this command are deleted, it is
not possible to redefine any one of the previously defined multiple data. All the
data must be resent.
• From the execution of this command until the completion of the hardware reset,
any mechanical operation such as opening the cover, initializing the printer head
position, or using the paper-feed switch etc.
• The NV bit image refers to a bit image that is defined by the FS q command in the
non-volatile memory and printed by the FS p command.
• When the STANDARD MODE is selected, this command is only valid when it is
written at the head of a line.
• This command is invalid when PAGE MODE is selected.
• This command becomes valid after the 7 bytes of <FS q n xL xH yL yH> are processed
as normal values.
• When data which exceeds the remaining capacity of the defined area is specified
by xL, xH, yL, yH, outside-defined-area arguments will be processed.
• When outside-defined-area arguments are processed for the first bit image data
group, this command becomes invalid.
• If outside-defined-area arguments are processed for the second or subsequent NV
bit image data groups, the processing of this command is suspended, and a writing
process into the non-volatile memory starts. At this time, the NV bit image being
defined becomes invalid (Undefined), but the preceding NV bit images are valid.
• “d” denotes the definition data. Bits which correspond to dots to be printed are
represented as “1”, and those not to be printed as “0”.
• The definition will start from NV bit image number 01H and n-number bit images
will be defined in ascending order. Therefore, the first data group [xL xH yL yH
d1… dk] becomes NV bit image number 01H, and the last data group [xL xH yL yH
d1… dk] becomes NV bit image number 0nH. These numbers of NV bit images
coincide with those specified with FS p.
• The definition data of one NV bit image consists of [xL xH yL yH d1… dk]. Therefore,
when only one NV bit image is defined, n = 1; the data group [xL xH yL yH d1… dk]
is manipulated once, and ([Data: (xL + xH × 256) × ( yL + yH × 256 ) × 8 ] + [Header:
4]) bytes of non-volatile memory is used to store it.