TB 9-6625-2251-24
j. Set SELF CAL. Crt will display message RUNNING. After 10 to 15 seconds
message will be replaced by PASS directly above SELF CAL option.
k. Press and release MENU OFF/EXTENDED FUNCTION pushbutton two times to
display EXT FUNCT options on crt.
Set CAL/DIAG to display options on crt.
l.
m. Set EXT CAL to display options on crt.
n. Set ATTEN and perform (1) through (8) below to establish attenuator gain DAC
voltage reference levels.
(1) Crt will display message CONNECT CH 1 TO 0.2 VDC.
(2) Set calibrator (Fluke, Model 5720A) to 0 V output and connect to TI CH 1 input.
(3) Set calibrator (Fluke, Model 5720A) for 0.200 V output.
(4) Set ATTEN. Crt will display message RUNNING. After approximately 3 to 5
seconds message will change to CONNECT CH 1 to 2.0 VDC.
(5) Set calibrator (Fluke, Model 5720A) for 2.00 V output and set ATTEN. Crt will
display message RUNNING. After approximately 3 to 5 seconds message will change to
CONNECT CH 1 TO 20 VDC.
(6) Set calibrator (Fluke, Model 5720A) for 20 V and set ATTEN. Crt will display
message RUNNING. After approximately 3 to 5 seconds message will change to
CONNECT CH 2 TO 0.2 VDC.
(7) Set calibrator (Fluke, Model 5720A) for 0 V output and to standby mode and
move connection on TI from CH 1 input connector to CH 2 input connector.
(8) Repeat technique of (3) through (6) above for CH 2, changing calibrator (Fluke,
Model 5720A) to appropriate settings.
NOTE
After successful completion of above sequence, crt will display
PASS message above option ATTEN. If a FAIL message is
displayed, verify test setup and repeat n (1) through (8) above.
If FAIL message is still displayed, corrective action is
necessary.
(9) Crt will display message PASS above option ATTN. Disconnect test setup.
o. Perform (1) through (6) below to establish trigger circuit DAC voltage reference level.
(1) Set TRIGGER. Crt will display message CONNECT TRIGS TO GND.
(2) Set calibrator (Fluke, Model 5720A) for 0 V output and connect to TI EXT TRIG
1 and EXT TRIG 2 through dual input coupler.
(3) Set calibrator (Fluke, Model 5720A) for 0.000200 V output. Set TRIGGER. Crt
will display message RUNNING. After approximately 3 to 5 seconds crt will display
message CONNECT...TO 0.5 V.
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