Performance Verification
3.5 Input A and Input B Tests 3
3-29
3. Set the TV Signal Generator to source a signal with the following properties:
• the system selected in step 2
• gray scale
• video amplitude 1V (5 divisions on the test tool)
• chroma amplitude zero.
4. Observe the trace, and check to see if the test tool triggers on line number:
⇒ 622 for PAL or SECAM, see Figure 3-11
⇒ 525 for NTSC, see Figure 3-12.
Note
Numerical readings in the pictures shown below may deviate from those shown
in the test tool display during verification.
PAL622.BMP
Figure 3-11. Test Tool Screen for PAL/SECAM
line 622
NTSC525.BMP
Figure 3-12. Test Tool Screen for NTSC line 525
5. Using select the line number:
⇒ 310 for PAL or SECAM
⇒ 262 for NTSC
6. Observe the trace, and check to see if the test tool triggers on:
⇒ line number 310 for PAL or SECAM, see Figure 3-13.
⇒ line number 262 for NTSC, see Figure 3-14.
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