Tektronix 73A-308, User Manual

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73A–308 Page 64
28. The voltage at the remaining 4 pins shown in Table 1–2 will be less than +500 mV.
29. Send “QRB
lf
”
30. Read “000000000000000000F0
crlf
”
31. Send “O4
lf
” (Open 4) to the 73A-308.
32. Use a DMM and measure the voltage at BITs 0–1, 0–2, 0–4, 0–8, and 1–1 (refer to
TABLE 4–1). The voltage on these pins will be the same as the +5 V source.
33. The voltage at the remaining 3 pins shown in Table 1–2 will be less than +500 mV.
34. Send “QRB
lf
”
35. Read “000000000000000000E0
crlf
”
36. Send “O5
lf
” (Open 5) to the 73A-308.
37. Use a DMM and measure the voltage at BITs 0–1, 0–2, 0–4, 0–8, 1–1, and 1–2 (refer
to Table 1–2). The voltage on these pins will be the same as the +5 V source.
38. The voltage at the remaining 2 pins shown in Table 1–2 will be less than +500 mV.
39. Send “QRB
lf
”
40. Read “000000000000000000C0
crlf
”
41. Send “O6
lf
” (Open 6) to the 73A-308.
42. Use a DMM and measure the voltage at BITs 0–1, 0–2, 0–4, 0–8, 1–1, 1–2, and 1–4
(refer to Table 1–2). The voltage on these pins will be the same as the +5 V source.
43. The voltage at the remaining pin shown in Table 1–2 will be less than +500 mV.
44. Send “QRB
lf
”
45. Read “00000000000000000080
crlf
”
46. Send “O7
lf
” (Open 7) to the 73A-308.
47. Use a DMM and measure the voltage at all eight BITs (refer to Table 1–2). The
voltage on these pins will be the same as the +5 V source.
48. Send “QRB
lf
”
a. Read “00000000000000000000
crlf
”