T.O. BMS1F-16CM-1
BMS 4.34 Change 2.00
BMS 4.34 Dash 1
© Red Dog 2012-2019
Page: 41
1.2.3.4 TWP panel
The Threat Warning Prime panel is located right next to the RWR (Radar
Warning Receiver) display and manages the information displayed on the ALR-
56 RWR. The TWP is made of 6 square lights all featuring a push button.
Each indicator has multiple lights (top and bottom) the bottom light comes on
when the system is powered and the top light comes on depending on the
status of the relevant system, except for the Missile LAUNCH indicator.
Here is a rundown of each indicator/ button:
•
HANDOFF - used to set the mode of operation of the RWR. The 4 modes are: Normal,
Diamond Float, Transient and Latch. These modes will be explained in more detail in the
Electronic Warfare System section of this manual. For now you should simply know that the
mode giving the best Situational Awareness is the Diamond Float mode where the diamond
floats to the highest priority symbol. That mode is entered with a short push (less than one
second) on the HANDOFF button.
The bottom light of the indicator is on as soon as there is power and the top indicator comes
on only when a handoff mode is engaged (Diamond Float, Transient, Latch).
•
LAUNCH - this indicator flashes at 4Hz as soon as the EWS (Electronic Warfare System)
detects a radar missile launched at ownship. The indicator is backed up by audible warning
tones. The indicator features a pushbutton to test the launch warning. Press the button to
check the audio tone and indicator light.
•
PRIORITY (MODE) - enables some declutter of the RWR display by displaying only the 5
most important symbols instead of the usual 12 symbols (16 when UNKNOWN mode is
selected). When the priority MODE button is depressed the RWR enters PRIORITY mode,
the top light comes on and the bottom light OPEN goes off, as both lights are mutually
exclusive.
When PRIORITY mode is enabled the top PRIORITY light will flash if the EWS detects more
than 5 threat emitters.
The RWR remains in this mode until the pilot exits PRIORITY MODE by depressing the
button again. At that time the top light extinguishes and the bottom OPEN light illuminates.
•
UNKNOWN (SHIP SYMBOL) - When depressed the top (U) light illuminates and the RWR
displays U symbols (unknown radar). It can then also display 16 symbols instead of the usual
12. The pilot can deselect this mode by depressing the pushbutton again. The top light then
extinguishes.
•
SYS TEST
– The bottom light of the indicator will be on whenever the EWS is powered. The
top light will come on whenever the system test is running. Depressing the push button will
initiate the test sequence that will run for a few seconds. During that time all TWP lights and
modes will be tested. Some alphanumeric codes will also be displayed on the RWR.
•
TGT SEP (T) - Depress this indicator when you want to have a better view of two emitters
which are close to each other. When depressed the top TGT SEP light illuminates and the
symbols on the RWR are spread out for 5 seconds. After that time the RWR reverts to
normal and the top light extinguishes. The bottom light is on as soon as power is applied.
BMS Key Callbacks for the TWP:
SimRWRSetPriority
SimRWRSetTargetSep
SimRWRSetUnknowns
SimRWRSetNaval deleted
SimRWRHandoff
SimRWRLaunch
SimRWRSysTest
Summary of Contents for F-16C/D 4.34
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