The Edit window allows the configuration of the following settings:
Format: Sets the formatting of the IRIG input signal, as defined by the IRIG generator
time source. The available choices are:
IRIG A
IRIG B
IRIG G
NASA-36
Modulation Type: Configures the type of input signal modulation. The choices are:
IRIG DCLS—A TTL (Phase) modulated signal.
IRIG AM—An amplitude modulated signal.
Frequency: The IRIG modulation frequency. This is determined by the configuration of
Format and Modulation Type. See "IRIG Carrier Frequencies" on page524 for details.
Coded Expression—Defines the data structure of the IRIG signal, where:
BCD = Binary Coded Decimal
TOY = Time of Year
CF = Control Field
SecureSync User Reference Guide 405
APPENDIX