Nidek Medical LM-1800P, Инструкция по интерфейсу

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9
RS-232C Communication and USB Communication
:
Communication Format
2
MLM26*RTZ002F
(4)CL command (Computer → LM)
Command for the computer to request the LM to clear the data in it.
The command corresponds to the actuation of the clear button of the LM. This com-
mand also releases the fixed data indication.
(5)AB command (Computer
→
LM)
Command for the computer to request the LM to set the abbe number in accordance with
the material of the measured lens. This command should be sent before measurements.
When the LM receives the AB command from the computer, the screen of the LM changes
to yellow frame (base color)
If the abbe number is not specified, the LM measures lenses with the abbe number that is
set internally. The abbe number specified by the AB command is in effect until it is reset on
the LM.
nn = Abbe number (20 to 60)
e.g.) 34H, 31H for number 41
(6) CH command (Computer
→
LM)
Command for the computer to request the LM to specify the lens.
The command corresponds to the actuation of the R/L selection button of the LM.
n = S, R, L
S: Single measurement
R: Measurement of the right of the lens
L: Measurement of the left of the lens
(7) MD command (Computer → LM)
Command for the computer to change the measurement screen of the LM.
n = A, N, P, C
A: Auto measurement screen
N: Normal measurement screen
P: Progressive power lens (PPL) measurement screen
C: CL measurement screen
SOH C L M STX C L n ETB EOT CR
01H 43H 4CH 4DH 02H 43H 4CH 17H 04H 0DH
SOH C L M STX A B n n ETB EOT CR
01H 43H 4CH 4DH 02H 41H 42H 17H 04H 0DH
SOH C L M STX C H n ETB EOT CR
01H 43H 4CH 4DH 02H 43H 48H 17H 04H 0DH
SOH C L M STX M D n ETB EOT CR
01H 43H 4CH 4DH 02H 4DH 44H 17H 04H 0DH