Tektronix OI1125 Instruction Manual page 68

Performance Verification
56
13. Repeat steps 1 through 4 for the 0.25 V rows in Table 21.
14. Repeat steps 1 through 4 for the 0.25 V rows in Table 20, after setting the
filter field on the oscilloscope to OC-192.
15. Repeat steps 1 through 4 for the 0.25 V rows in Table 19, after setting the
filter field on the oscilloscope to OC-48.
This completes the performance verification for the transmitter.
OI1125 E/O Transmitter Instruction Manual