2A354C CDC Volume 3.

When the F-16 ARC-210 very high frequency/ultra-high frequency (UHF/VHF) radio is receiving and transmitting on the UHF emergency frequency of 243 megahertz (MHz), it is using the Guard mode of operation. The Guard mode is specifically designed for emergency communications and is used to monitor and respond to distress signals.

The unique feature of the dual-seat KY-58 interface is that both cockpits have independent volume control. This means that each cockpit can adjust the volume to their preference without affecting the other cockpit. This allows for personalized audio settings and ensures that each pilot can hear clearly without any interference from the other cockpit.

The AN/ARC-164 Have Quick II ultra-high frequency (UHF) radio has a total of 7,000 channels available.

The transmitter power output for the AN/ARC-164 Have Quick II ultra-high frequency (UHF) radio is 10 watts.

When the F-16 countermeasures dispensing set (CMDS) reaches low quantities of expendables, the pilot will hear the audio indication "LOW." This audio indication serves as a warning to the pilot that the expendables, such as chaff and flare, are running low and may need to be replenished soon.

TACAN stations are used for tactical air navigation and can be located on the ground, on ships, or in the air. These stations provide navigational assistance to aircraft, helping them determine their position and navigate accurately. Having TACAN stations in these different locations allows for flexibility and coverage in various operational scenarios, whether it be on land, at sea, or in the air.

Tactical air navigation (TACAN) and instrument landing system (ILS) are the two systems that provide a Morse Code input to the F-16 interphone system.

The Morse code identification tone for station identity consists of three letters.

The correct answer is "Word of day (WOD)". In the Have Quick II, phase II radio system, the frequency-hopping pattern and rate are programmed using the Word of day (WOD). This term refers to a specific word that is used to determine the frequency-hopping sequence for a particular time period. By using the WOD, the radio can synchronize its frequency-hopping pattern with other radios in the network, ensuring secure and efficient communication.

The correct answer is general avionics computer (GAC). This is because the GAC is responsible for receiving and processing fault reports from various systems in the aircraft, including the Advanced Interference Blanker Unit (AIBU). The GAC acts as the central hub for receiving and managing these fault reports, allowing for efficient troubleshooting and maintenance of the aircraft systems.

The Z-AHQ adapter enables the F-16 aircraft to replace the KY-28 with the KY-58. This means that the Z-AHQ adapter allows the F-16 to use a different cryptographic device, specifically the KY-58, instead of the original KY-28.

The intercommunication amplifier on the F-16 aircraft includes a microphone headset amplifier, resistive audio mixing network, microphone relay, and a power gain control switch. These components are essential for effective communication within the aircraft. The microphone headset amplifier amplifies the audio signals from the pilot's microphone, while the resistive audio mixing network combines the audio signals from different sources. The microphone relay controls the routing of audio signals, and the power gain control switch allows the pilot to adjust the amplification level. Overall, these components work together to ensure clear and efficient communication in the F-16 aircraft.

The signal processor is considered the heart of a radar warning receiver (RWR) because it is responsible for receiving, analyzing, and processing the radar signals detected by the RWR. It plays a crucial role in identifying and classifying the radar signals, determining their direction and distance, and generating appropriate warnings or alerts to the pilot. Without a signal processor, the RWR would not be able to effectively detect and respond to radar threats, making it an essential component of the system.

If there were no word of day (WOD) loaded on the Have Quick II, phase II ultra-high frequency (UHF) radio, the display would show "BAD".

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The correct answer is the horizontal situation indicator (HSI). The HSI is a display instrument that provides pilots with information about their aircraft's position and orientation relative to the earth's surface. It combines the functions of a heading indicator and a navigation display, and it can also display TACAN information. The attitude direction indicator (ADI) provides information about the aircraft's pitch and roll, while the multifunction display (MFD) and head-up display (HUD) are used for different purposes and do not typically display TACAN information.

The crackling noise in the headsets of the F-16 aircraft suggests that there may be a problem with the filtering system. The filter assembly is responsible for removing any unwanted noise or interference from the communication system. By checking out the filter assembly, you can identify and fix any issues that may be causing the crackling noise, ensuring clear and uninterrupted communication in the headsets.

The correct answer is radar warning receiver scope. When track file characteristics match information in the emitter identification (EID) tables, the signal processor generates and positions a video symbol on the radar warning receiver scope.

The correct answer is receipt from ground/tower/radar approach control (RAPCON). This means that the time of day for the UHF radio can be established by receiving the time information from the ground, tower, or radar approach control. This ensures that the radio is synchronized with the official time provided by the control centers.

The correct answer is Operational (OP), load (LD) and receive variable (RV). This means that the KY-58 secure voice control panel has three mode switch positions: OP, LD, and RV.

The secure voice control panel on the F-16 aircraft is located on the right console near the lighting control panel.

If the F-16 satellite communication setup is automatic and no channel login is required, it suggests that the SATCOM mode of operation being used is "Dedicated." In a dedicated mode of operation, the communication channel is exclusively allocated to a specific user or system, eliminating the need for login or sharing the channel with other users. This ensures a dedicated and uninterrupted connection for the F-16 satellite communication setup.

The intercommunication amplifier on a D-model F-16 is located under the aft seat.

The power requirement for the KY-58 secure voice system is 28 volts direct current (VDC) and it is applied through a 5 amp circuit breaker.

A crystal video receiver (CVR) is a type of receiver used in video transmission that has certain characteristics. It is sensitive, meaning it can pick up weak signals effectively. It is also extremely fast, allowing for quick and efficient signal processing. Additionally, it covers a wide frequency range, enabling it to receive signals from various sources. However, a large component is not a characteristic of a CVR. This means that the size of the CVR is not necessarily large, as it can be designed to be compact and portable.

The correct answer is HOT MIC switch and intercom volume control on the AUDIO 2 panel. This is because the HOT MIC switch is used to activate the microphone, allowing the pilot or crew members to transmit their voice over the intercom system. The intercom volume control on the AUDIO 2 panel is used to adjust the volume of the intercom system, ensuring clear communication between the pilot and crew members.

The advanced interference blanker unit (AIBU) is operational anytime power is applied to the aircraft. This means that the AIBU will be functioning as long as the aircraft is powered on, regardless of whether power is applied to the stores management system (SMS), the general avionics computer (GAC), or both. Therefore, the correct answer is the aircraft itself.

The correct answer is 99JG-20-01. This technical order contains procedures for advanced interference blanker unit (AIBU) removal and installation.

The correct answer is FWD. In the F-16 ARC-210 radio system, when transmission is initiated, the mic switch is placed in the forward position.

The VHF frequency diplexer is the component on the F-16 ARC-210 radio system that splits outgoing VHF transmissions into transmitted frequencies and routes the signals to the correct antenna. The diplexer allows for the separation of different frequencies and ensures that each signal is sent to the appropriate antenna for transmission.

When the F-16 multifunction information distribution system (MIDS) achieves a fine synchronization, the display will show "FINE." This indicates that the synchronization process has been successfully completed and the system is now ready to operate efficiently.

The warm-up time for the AN/ARC-164 Have Quick II ultra-high frequency (UHF) radio is 10 seconds.

The correct answer is the Digital-to-analog (D/A) adapter. This device is responsible for converting the digital output from the tactical air navigation (TACAN) receiver-transmitter into an analog format that is compatible with the horizontal situation indicator (HSI). This allows the TACAN information to be displayed on the HSI for the pilot's reference and navigation.

When the F-16 countermeasures dispensing set (CMDS) initiates a dispense program generated from threat information received from the ALR-56M, the mode of operation selected is "Semi."

Each dot on the horizontal situation indicator (HSI) course deviation scale for tactical air navigation (TACAN) represents a deviation of 5 degrees from the desired course.

During ALR-56M system initialization, the azimuth indicator displays the letter "I" first for approximately three minutes.

The received audio signals, warning tones, and radio transmissions are routed to the communications matrix assembly before being sent to the intercom amplifier and the operator headset. The communications matrix assembly acts as a central hub where all the audio signals are processed and distributed to the appropriate destinations. This ensures that the audio signals are properly managed and can be heard by the operator through the intercom amplifier and headset.

The advanced interference blanker unit (AIBU) interfaces with the IFF (Identification Friend or Foe) system, the FCR (Fire Control Radar), the RTWS (Radar Target Warning System), and the ECM (Electronic Countermeasures) system. These are all important components of a military aircraft's avionics system, and the AIBU is designed to work with them to mitigate interference and ensure proper functioning of these systems.

The status switch on an ultra-high frequency (UHF) radio indicates an alternate display and holds for 5 seconds. This means that when the status switch is activated, the radio will switch between different displays or information and hold each display for 5 seconds before switching to the next one. This feature allows the user to quickly view and access different information or settings on the UHF radio.

The cockpit control unit (CCU) serves as the electrical interface between the countermeasures management switch (CMS) and the safety switch assembly. This means that the CCU facilitates the communication and interaction between these two components, allowing for the effective management and operation of countermeasures and ensuring the safety of the aircraft.

The secure voice processor has a filter switch with two positions: IN and OUT. This switch allows the user to choose whether the filter is active or not. When the switch is set to IN, the filter is engaged and the processor will process the audio signal with the filter. When the switch is set to OUT, the filter is bypassed and the audio signal will not be processed with the filter.

Tactical air navigation (TACAN) provides an aircrew with information about slant range, which is the distance between the aircraft and the TACAN station, relative bearing, which is the direction of the TACAN station relative to the aircraft, and the station identity tone, which is a unique audio signal that helps the aircrew identify the specific TACAN station they are receiving signals from.

Pacer Ware is the correct answer because it refers to emergency reprogramming action that is taken when a real world threat appears that is not part of the current emitter identification. It is a specific term used in the context of handling such situations. The other options, Serene Byte, Superheterodyne receiver reprogramming, and General avionics computer reprogramming, do not directly relate to the given scenario.

The ALR-56M system uses navigation data to update threat symbol position during aircraft maneuvers. Navigation data provides information about the aircraft's current position, velocity, and orientation, which is crucial for accurately tracking and updating the position of potential threats. RF time tag data, time-of-arrival data, and combined radar altimeter data are not directly related to updating threat symbol position during maneuvers.

A cycle time greater than 0.5 seconds on the azimuth (AZ) indicator may indicate a system malfunction. This is because a longer cycle time suggests that the system is taking longer than usual to complete a cycle or process, which could be a sign of an issue or malfunction within the system.

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When the displayed threat symbols overlap or are superimposed, the radar threat warning system (RTWS) mode used is SEP. This mode stands for "Separate" and it indicates that the threats are separate and distinct from each other. This helps the operator to differentiate between multiple threats and take appropriate actions accordingly.

The correct answer is 90 and 150 Hz, respectively. In the instrument landing system (ILS), the glide-slope course is modulated with two frequencies. The upper side is modulated at 150 Hz, while the lower side is modulated at 90 Hz. This modulation helps pilots maintain the correct vertical descent path during an instrument approach, ensuring a safe landing.

The F-16 advanced identification friend or foe (AIFF) system uses Mode 3/A when it enables traffic identity operation.

Marker beacons are radio beacons that provide pilots with information about their position during instrument approaches. They are usually located at the outer, middle, and inner markers. The correct answer, "Inner," indicates that this type of marker beacon is not commonly used at most airfields.