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1910
Digital Generator
Operator Manual
070-4466-01

Please check for change information at the rear
of this manual.
E 1910 Option 1K
E1
E1
E1
E1

E1
GCR (Ghost Cancellation See individual Appendix sections.
Reference) for Options
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. The new configuration alters the test signal vertical-interval line
configuration.
Installing this option deletes any previously installed custom signals.

Signal Changes
Option 1K replaces two of the standard test signals with Korean ghost cancella-
tion reference signals. Changes to the standard specifications are noted in
Table E