910 Digital Generator Operator Manual 070-4466-01 Please check for change information at the rear of this manual.
GCR (Ghost Cancellation Reference) for Options See individual Appendix sections.
Appendix E 1910 Option 1K Description Option 1K adds Korean ghost cancellation reference (GCR) signals to the 1910 NTSC Digital Test Signal Generator and Inserter. The new GCR signals replace the VICR and 25 IRE Pedestal signals in the base 1910 instrument. Hardware Changes Option 1K replaces two of the instruction PROMs on the Microprocessor circuit board and five of the signal memory PROMs on the Sync and Memory circuit board.
Appendix E – 1910 Option 1K IRE 70 30 0 –10 –40 1.5 s 4.7 s 8.75 s 11.5 s 61.9 s Figure E–1: GCR positive test signal with amplitude and timing details IRE 70 30 0 –10 –40 1.5 s 4.7 s 8.75 s 11.5 s 61.
Appendix E – 1910 Option 1K Test Signal Mnemonics Option 1K uses standard 1910 mnemonics. Front Panel and VITS Assignment Changes Option 1K uses the standard 1910 front panel assignments. Table E-2 shows the factory VITS sequence programming for line 20.
Appendix E – 1910 Option 1K E–4
