Tektronix LumaColor II J18, Instruction Manual

Page: 49 / 114

J18 Photometer Instruction Manual 3–7
Commands
The J18 LumaColor

II Photometer recognizes ten commands that
duplicate the function of the front panel controls. These commands
are summarized in Table 3–4.
NOTE
. The J18 is a case-sensitive device, so all RS-232 commands
should be made in capital letters (upper-case), for example: !NEW.
Table 3–4: J18 Command Set
Command Function
!INI{CR} Initializes the instrument. Puts the J18 in the initial
powerup state with no valid data for the attached sensor
head.
!ALT{CR} Same as the ALT DISP button.
!BKL{CR} Same as the BACKLIGHT button.
!DIF{CR} Same as the DIFF/REF button.
!HLD{CR} Same as the HOLD button.
!RGE{CR} Same as the RANGE HI/LO button.
!STR{CR} Same as the STORE button.
!UNT{CR} Same as the UNITS button.
!NEW{CR} Causes the J18 to report the last measurement taken.
!NEW n {CR} Causes the J18 to report the specified number
(n = sample size) of measurements beginning with the
last one taken. The sample size may be from 1 to 255. A
value of n
≥
128 or greater causes the J18 to report
measurements continuously until another command is
sent.
J18 Photometer Instruction Manual 3–7
Commands
The J18 LumaColor

II Photometer recognizes ten commands that
duplicate the function of the front panel controls. These commands
are summarized in Table 3–4.
NOTE
. The J18 is a case-sensitive device, so all RS-232 commands
should be made in capital letters (upper-case), for example: !NEW.
Table 3–4: J18 Command Set
Command Function
!INI{CR} Initializes the instrument. Puts the J18 in the initial
powerup state with no valid data for the attached sensor
head.
!ALT{CR} Same as the ALT DISP button.
!BKL{CR} Same as the BACKLIGHT button.
!DIF{CR} Same as the DIFF/REF button.
!HLD{CR} Same as the HOLD button.
!RGE{CR} Same as the RANGE HI/LO button.
!STR{CR} Same as the STORE button.
!UNT{CR} Same as the UNITS button.
!NEW{CR} Causes the J18 to report the last measurement taken.
!NEW n {CR} Causes the J18 to report the specified number
(n = sample size) of measurements beginning with the
last one taken. The sample size may be from 1 to 255. A
value of n
≥
128 or greater causes the J18 to report
measurements continuously until another command is
sent.