User's Manual

RVP8 User’s Manual
October 2005
TTY Nonvolatile Setups
3–15
polarization pair may also be used). The control signal will either remain at a fixed
level, or will alternate from pulse to pulse with a selectable transition point (See
Section 3.2.5). POLAR2 is identical to POLAR1, but may be configured with a
different polarity and switch point. This second signal could be used if the radar’s
polarization switch required more than one control line transition when changing
states.
Quantize trigger PRT to ((1 x AQ) + 0) clocks
It is possible to control the exact quantization of the PRT of the internal trigger
generator. Normally the trigger PRT is chosen as the closest multiple of AQ (the
acquisition clock period) that approximates the requested period. This question
allows the possible PRT’s to be constrained to ((N x AQ) + M) clock cycles. This
feature can be useful for synchronous receiver systems in which the trigger period
must be some exact multiple of the COHO period.
Blank output triggers within AZ and EL sectors: NO
Sector #1 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
Sector #2 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
Sector #3 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
Sector #4 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
Sector #5 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
Sector #6 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
Sector #7 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
Sector #8 – InUse:NO AZ: 0.0,0.0 EL: 0.0,0.0
These settings can be modified to reduce erroneous transmissions into physical
obstructions.
Blank output triggers via softplane sTrigBlank : NO
Blank triggers 1:YES 2:YES 3:YES 4:YES 5:YES 6:YES
These questions control trigger blanking based on the TAG0 input line. You first
select whether the trigger blanking feature is enabled; and then optionally choose the
polarity of TAG0 that will result in blanking, and which subset of the six user
definable triggers are to be blanked.
Blank output triggers during noise measurement : NO
The RVP8 can inhibit the subset of blankable trigger lines whenever a noise
measurement is taken. This will be forced whenever trigger blanking (based on
TAG0) is enabled, but it can also be selected in general via this question. Since noise
triggers must be blanked whenever trigger blanking is enabled, this question only
appears if trigger blanking is disabled.
This question permits the state of the triggers during noise measurements to be
consistent and known, regardless of whether the antenna happens to be within a
blanked sector; and you have the additional flexibility of choosing blanked noise
triggers all the time.
Rx–Fixed Triggers: #1:N #2:N #3:N #4:N #5:N #6:N P0:N P1:N Z:N
You have explicit control over which RVP8 trigger outputs are timed relative to the
transmitter pre-fire sequence, versus those which are relative to the actual received
target ranges. Triggers in the first category will be moved left/right by the “L/R”