Operation
CG-1220 DTR
4-9
Status frames contain signal for the front panel and M&C interface.
Spectrum frames contain data for the SPECTRAL DISPLAY.
Monopulse frames, either on time or late, contain signal and error vector
data for monopulse mode. Monopulse used is the number of frames
transmitted out via the M&C monopulse interface. The other ones that
are not needed are discarded. "Late monopulse" increments each time
monopulse data is requested by or due to be sent to the ACU but a new
reading is not yet available. This may increment regularly in a high-
performance ACU and a narrow digital filter in the DTR, or when the ACU
requests each transmission (RATE = -1). On-time monopulse frames are
those that arrive before they are needed.
Bad footers are when a frame header is intact but the footer (or
intervening data) has been corrupted.
Unknown frames are when frames are out of synchronization or a frame
header has been corrupted.
MESSAGE LOG displays the most recent events recorded in the system
message buffer. Pressing [PAGE] and [SHIFT]+[PAGE] or spinning the knob
scrolls the list; [PREV] exits.
DISPLAY VERSION displays the current firmware version and configuration
information for the DTR.
CPU TASKS displays current CPU tasks, including task number, name, shell
type and activity
TROUBLESHOOT is a diagnostic tool to provide online assistance on the
current faults.
4.2.5 CONFIGURATION MENU
The Configuration menu [CONFIGS] provides access to system parameters and
settings. The [CONFIGS] menu provides the following:
COMM PARAMETERS
RECEIVER OPERATION
CONVERSION BANDS
BEACON SETUP (Only in Non-Monopulse units)
MONOPULSE (ONLY in Monopulse units)
SYSTEM MEMORY
INTERFACE OPTIONS
4.2.5.1 COMM PARAMETERS
REMOTE CONTROL - This editor selects which port on the back panel is in
control when the DTR is in REMOTE mode. For remote M&C
communications, select Port1 or 2, which support serial protocols.
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