6-6
IM 701510-01E
Selecting the line No. : Line
A trigger is activated at the beginning of the selected line.
• NTSC : 5 to 1054
Field 1 starts at line No. “5”. (Field 2 starts at line No. “268”.)
524 525
(1) (2) (3) (4)
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
Field 1
262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285
Field 2
261
Line No.
Line No.
1049 1050
526
548
1051
1052
786
810
Line Nos. in ( ) cannot be set.
• PAL : 2 to 1251
Field 1 starts at line No. “2”. Field 2 starts at line No. “315”.
621
622
623
624
625
2
3
4
5
6
7
(1)
Field 1
308
309
310
311
312
313
315
314
316
318
317
320
319
Field 2
Line No.
1246
1250
632
626
1251
Line No.
933
945
Line Nos. in ( ) cannot be set.
• HDTV : 2 to 2251 (available on DL1540/DL1540L)
Field 1 starts at line No. “2”. Field 2 starts at line No. “565”.
1120
1125
(1)
2
3
4
5
6
7
41
5H
5H
35H
517H
45H
557
562
563
564
565
566
567
568
569
603
5H
5H
34H
518H
45H
1/2H
1/2H
Field 1
Field 2
Line No.
2245
2250
1126
1127
1128
1129
1130
1131
1132
1166
2251
Line No.
1682
1687
1688
1169
1170
1171
1172
1173
1174
1728
Line Nos. in ( ) cannot be set.
Selecting the polarity: Polarity
Trigger point
Trigger level
NTSC /PAL
HDTV
Trigger point
Synchronization pulse
Trigger level
NEGATIVE
POSITIVE
Trigger point
Trigger level
Trigger point
Trigger level
Setting the trigger level : Level
Set the difference between the beginning of the synchronization pulse and the level at which
the trigger level is judged.
The setting range is from 0.10 div to 2.00 div. The setting resolution is 0.05 div.
The default settings are given below.
NTSC/PAL
0.50 div
HDTV (available on DL1540/DL1540L)
1.00 div
Points to note when activating a TV trigger
• If the trigger type setting is changed, the TV trigger setting will be invalidated. However,
selecting the TV trigger again will restore the previous settings.
• Only channel 1 can be used for the video signal. Other channels cannot be used.
• For a TV trigger, the trigger coupling, HF rejection and trigger hysteresis settings are
ignored.
6.4 Setting the TV Trigger