Safran CORTEX CRT Quantum - Telecommanding; Transmission of the Un-Modulated TC Sub-Carrier; CMM Data Format; Group Instruction Size

COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
© Safran Data Systems
This document is the property of Safran Data Systems.
It cannot be duplicated or distributed without expressed written consent.
Page 245
4.2.7.5. Telecommanding
The information is given for the TCU # 1 component, it is identical for the TCU # 2 component. In this case, the
path to the database is as follows:
Registry path: HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\SetDefault\Preferences\Tcu2
4.2.7.5.1. Transmission of the Un-modulated TC Sub-carrier
To modify the duration of transmission of the un-modulated BPSK sub-carrier by the TCU (applies only to BPSK
modulation):
Registry path: HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\SetDefault\Preferences\Tcu
Keyword: SendScf
Default setting at delivery: 0
Enter 0 (immediate sub-carrier modulation) or a positive, whole number of bits. Example: for 1-second pre-
transmission, enter 1000 if the TC bit rate is 1000 bps)
4.2.7.5.2. CMM Data Format
To modify the CMM data format for TC/TM loop verification (CMM1 & 2 flags, mask and expected value):
Registry path: HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\SetDefault\Preferences\Tcu
Keyword: CmmOption
Default setting at delivery: 0 (8-bit data)
Enter 0 (8-bit data, LSB aligned) or 1 (32-bit data, MSB aligned)
4.2.7.5.3. “Group” Instruction Size
To modify the maximum number of TC requests/instructions in a « Group » instruction:
Registry path: HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\SetDefault\Preferences\Tcu
Keyword: BufferNbr
Default setting at delivery: 32 (requests or instructions)
Enter any value between 32 and 500 (in decimal) or between 20 and 1F4 (in hexadecimal).
4.2.7.5.4. TC Watchdog
To Enable/Disable the TC watchdog mechanism, allows to automatically close the connections to the TC port
and drop the IF carrier.
Registry path: HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\SetDefault\Preferences\Tcu
Keyword: Watchdog
Default setting at delivery: 0 (disable)
Enter 0 to inhibit the TC watchdog; enter any positive value to activate it.