TB 9-6625-2309-35
and connect to fiber connector of TD-260C optical module (located on right-hand side under
black rubber dust boot), CONNECTION B (fig. 3).
NOTE
Speed-up devices shown at figure 3-18, FOCUS Operation
Manual, are optional.
For purpose of this calibration
procedure, speed-up devices are not required.
below:
NOTE
Digital delay/pulse generator softkeys have more than one
function depending on mode of operation.
(1) Press MENU TRIG pushbutton to cycle through steps (2) through (5) below.
(2) TRIG to EXT.
(3) THRESHOLDS to +0.50V.
(4) SLOPE (+/-) to +.
(5) TRIGGER TERM to 50 OHM.
(6) Press MENU OUTPUT to cycle through steps (7) through (11) below.
(7) OUTPUT to AB.
(8) AB & -AB LOADS to 50 OHM.
(9) AB: VAR.
(10) AB: AMPLITUDE to +2.00V.
(11) AB: OFFSET to -1.60V.
(12) Press MENU DELAY pushbutton to set B Delay to B=A + 0.000010000000 (10
sec)
NOTE
Make copies as required of data sheets included at appendix A
for recording data and software computations.
j. Record displayed index (from TI) on TD-260C Data Sheet (appendix A) at Customer
Existing Index of Refraction line.
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