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And aircraft environments to continuously display the relative bearing from the vessel or aircraft to a suitable radio station. The ADF receiver is usually tuned to aviation or marine NDBs (Non-Directional Beacons) operating in the LF or MF bandwidth, such as commercial radio broadcasting stations or dedicated aeronautical radio stations that emit Morse code identifiers. The ADF has been largely replaced by newer technologies such as VOR and GPS, but it still serves as a useful backup navigation system.NDB and Radio BeaconsNon-Directional Beacons (NDBs) are ground-based radio beacons that transmit low-frequency signals in all directions. These signals will be picked up by the ADF receiver, which then determines the bearing of the aircraft relative to the beacon. The primary use of NDBs is for aircraft to designate positions to maintain their course during flights, particularly for private pilots flying aircraft not equipped with more advanced navigation systems.Magnetic Bearings and Relative BearingsMagnetic Bearings are the angles measured in degrees between the aircraft’s magnetic heading and the NDB station’s position. The magnetic bearing is depicted on the ADF instrument as the top of the compass card, providing the pilot with a sense of direction towards or away from the beacon.Relative Bearings are the angles measured in degrees between the aircraft’s nose (or tail) and the NDB station’s position. On the ADF instrument, the pointer shows the relative bearing to the NDB. For example, if the pointer is pointing directly at the top of the display, it means that the aircraft is flying directly towards the NDB station; if the pointer is pointing at the bottom, the aircraft is flying directly away from the station.Using the ADF as a radio navigation system, pilots can accurately track their location and make necessary course adjustments to ensure a safe and efficient flight. While ADF may be considered an older technology in comparison to GPS and VOR, it still provides a reliable backup option for navigating the skies.INS – Inertial Navigation SystemInertial Measurement UnitThe Inertial Navigation System (INS) is a self-contained navigation system that calculates an object’s position, orientation, and velocity using motion sensors such as accelerometers and gyroscopes. A crucial component of an INS is the Inertial Measurement Unit (IMU), which houses the sensors and provides output signals proportional to the total acceleration of an aircraft or craft, both analog and digital. Modern INS systems have adopted MEMS technology for achieving miniaturized, lightweight, and cost-effective

Filter parts list CD041C-Absorber Absorber - Ink service station (ISS) bottom absorber foam - absorbs ink during the cleaning process. Service station absorber (sponge) - soaks up used ink during cartridge cleaning. Works as sled filters. CD041C-AC_Adapter AC Adapter - Power supply module or adapter - one end for connecting to the printer and other end to the power cord, or your ac adapter may have the pwr cord attached. CD041C-Actuator Actuator - Actuating unit. this part usually causes the carriage assembly to stalls on the left side of the printer, verify that the clutch actuator arm (slider arm). CD041C-ADF_Arm ADF Arm - Senses paper in the ADF area tray / feeder tray. this is a front flapper arm - part of the paper separation mechanism for the paper pickup assembly - mounts just in front of the front separation belts in the ADF assembly. CD041C-ADF_Feed_Assy ADF Feed Assembly - ADF assembly - does not include ADF input tray. ADF assembly includes the complete ADF assembly (motor, gears, rollers, sensor, does not include the ADF pad or plastic flatbed cover. (for entire unit please see ADF unit assembly). CD041C-ADF_Input_Tray Adf Input Tray - ADF tray ( for automatic document feeder) this is where papers are placed for feeding into unit. CD041C-ADF_Motor ADF Motor - ADF motor - the scanner ADF motor is located on left rear corner of ADF drive, location varies from each unit. however, this is the main motor on the ADF unit. CD041C-ADF_Output_Tray ADF Out Put Tray - ADF out put tray is where paper come out of ADF (automatic document feeder). For this unit we will ship the entire ADF Assembly. CD041C-ADF_Pad ADF Pad - ADF paper seperation pad assembly - mounts in the center of the ADF separation pad frame assembly. this pad prevents from multiple feeding or preventing paper jams while faxing scanning or copying. CD041C-ADF_Roller_Kit ADF Roller Kit - ADF upper pick roller replacement kit. these are the rollers that feed paper into the feeder to be scan copy or faxed. CD041C-ADF_Scanner ADF Scanner - ADF scanner (optical) assembly - includes the chassis

HP parts list for CM741A HP officejet 6500 wireless all-in-one printer - e709n Filter parts list CM741A-Absorber Absorber - Ink service station (ISS) bottom absorber foam - absorbs ink during the cleaning process. Service station absorber (sponge) - soaks up used ink during cartridge cleaning. Works as sled filters. CB057-60070 AC Adapter - Power module - Input voltage 100-240VAC 50-60Hz - Output voltage 32VDC 1.56mA 50 watt - Requires separate AC power cord (Worldwide) CM741A-AC_Adapter AC Adapter - Power supply module or adapter - one end for connecting to the printer and other end to the power cord, or your ac adapter may have the pwr cord attached. CM741A-Actuator Actuator - Actuating unit. this part usually causes the carriage assembly to stalls on the left side of the printer, verify that the clutch actuator arm (slider arm). 0957-2230 Adapter - PS PWR-SPLY-AC-DC ADAPTER;50W ROHS Power Adapter AC-to-DC PWR-SPLY-AC-DC ADAPTER;50W ROHS Power module - Input voltage 100-240VAC 50/60Hz - Output voltage 32VDC 1.56A 50 watts - Requires separate 3-wire AC power cord with C-14 connector. CB057-60040 ADF - ADF Assembly for HP Officejet 6500 All-in-One printer series E7, HP Officejet 6500 All-in-One printer series - E7, HP Officejet 6500 All-in-One printer series CM741A-ADF_Arm ADF Arm - Senses paper in the ADF area tray / feeder tray. this is a front flapper arm - part of the paper separation mechanism for the paper pickup assembly - mounts just in front of the front separation belts in the ADF assembly. CM741A-ADF_Feed_Assy ADF Feed Assembly - ADF assembly - does not include ADF input tray. ADF assembly includes the complete ADF assembly (motor, gears, rollers, sensor, does not include the ADF pad or plastic flatbed cover. (for entire unit please see ADF unit assembly). CB057-40033 Adf Input Tray - White ADF Tray for HP Officejet 6500 All-in-One printer series HP Officejet 6500 All-in-One printer series E7 HP Officejet 6500 All-in-One printer series - E7 CB057-60016 Adf Input Tray - ADF input paper tray assembly - For the OfficeJet 6500 All-in-One printer series CM741A-ADF_Input_Tray Adf Input Tray - ADF tray ( for automatic document feeder) this is where papers are placed for feeding into unit. CM741A-ADF_Motor ADF Motor - ADF motor - the scanner ADF motor is located on left rear corner of ADF drive, location varies from each unit. however, this is the main motor on the ADF unit. CM741A-ADF_Output_Tray ADF Out Put Tray - ADF out put tray is where paper come out of ADF (automatic document feeder). For this unit we will ship the entire ADF Assembly. CM741A-ADF_Pad ADF Pad - ADF paper seperation pad assembly - mounts in the center of the ADF separation pad frame assembly. this pad prevents from multiple feeding or preventing paper jams while faxing scanning or copying. CM741A-ADF_Roller_Kit ADF Roller Kit - ADF upper pick roller replacement kit. these are the rollers that feed paper into the feeder to be scan copy or faxed. CM741A-ADF_Scanner ADF Scanner - ADF scanner (optical) assembly - includes the chassis

Assembly scanner lens assembly (includes the charge coupled device (ccd)) the scanning lamp ADF analog processor board and ADF inverter board - this is the lower assembly that scans copies documents. CD041C-ADF_Sensor_BRD ADF Sensor Board - ADF sensor pc board assembly - narrow strip pc board with the two document skew sensors, registration sensor, and timing sensor - mounts on top of the registration guide assembly in the ADF main assembly CD041C-ADF_Unit_Assy ADF Unit Assembly - Complete replacement assembly unit for Officejet Copier top assembly only. This includes the ADF (automatic document feeder) for this unit. CD041C-Arm_Delivery Arm Delivery - Paper sensing arm - for 'paper out' or delivering paper sensing arm CD041C-Arm_Pickup Arm Pick Up - Paper detection arm - for registration plate on picking up paper CD041C-Arm_Plate Arm Plate - Lever arm - used to lift the pressure plate lifter CD041C-Arm_Sensing Arm Sensing - Arm assembly senses paper in bottom tray CD041C-Arm_Tension Arm Tension - Tension arm - maintains tension on carriage belt CD041C-Belt_ADF Belt ADF - Transport belt motor - provides the drive to transport paper through the ADF unit. this belt goes in the ADF assembly drive unit CD041C-Belt_Carriage Belt Carriage - Carriage belt - moves the carriage assembly across the carriage rod CD041C-Belt_Duplex Belt Duplex - Duplex timing belt - small belt that goes on the duplexer unit CD041C-Belt_Paper Belt Paper - Paper drive belt (usually a small belt) - this belt attaches to a gear which is driven by the paper drive motor assembly. CD041C-Belt_Scanner Belt Scanner - Scanner assembly belt. belt moves the scanner while copying or scanning documents. CD041C-Bezel Bezel - Front panel overlay (bezel) - (english) control panel bezel - frame around display and control panel CD041C-Bracket_Left Bracket Left - Left bracket - carriage rod adjustment bracket (left) CD041C-Bracket_Right Bracket Right - Right bracket - carriage rod adjustment bracket (right) CD041C-Bracket_Tension Bracket Tension - Belt tension bracket - holds the carriage belt idler pulley 8121-0868 Cable - Universal Serial Bus (USB) interface cable (Black) - Type 'A' connector to type 'B' connector - 1.83m (6.0ft) long 8121-1058 Cable - Cable Assy

Roller assembly, bushings, gear on roller, transmission gear kit, encoder disc, end thrust (axial) spring. CD041C-Drive_Assy_ADF Drive Assy ADF - Media chassis assembly (paper drive) - moves paper from ADF assembly to scanner assembly - includes media chassis, rollers, gears, flag, sensor, deflector, cable, springs CD041C-Duplexer Duplexer - Auto duplexer assembly - provides double sided printing capability CD041C-Encoder Encoder - Encoder spring - provides tension for encoder strip CD041C-Encoder_Disk Encoder Disk - Disk encoder - helps to provide position information of the paper CD041C-Encoder_Strip Encoder Strip - Encoder strip - carriage position sensor reference CD041C-Extender_ADF Extender ADF - Paper extension for the automatic document feeder (ADF) input tray CD041C-Extender_Input Extender Input - Tray extension assembly (stopper) - tray with a paper stop on the input tray - extends to accomodate different media lenths CD041C-Feed_Rollers Feed Rollers - Feed roller assembly - includes frame asembly, shaft with rollers, and encoder disk CD041C-Feed_Rollers_ADF Feed Rollers ADF - ADF feed roller kit - includes all rollers that feed paper through the feeder. CD041C-Flag_ADF Flag ADF - Photo-sensor assembly - includes the sensor and mounting bracket - paper pickup roller home position sensor - activated by the sensor flag on the pickup roller assembly - mounths on the front frame of the ADF paper pickup assembly CD041C-Formatter Formatter - Formatter board assembly, this board communicates with your computer device and has MAC port connector. CD041C-Front_Panel Front Panel - Front panel assembly - includes lcd and actuator buttons CD041C-Gear_Assy Gear Assembly - ADF gear assembly driven by ADF main motor CD041C-Gear_Cluster Gear Cluster - Cluster gear, large gear on service station CD041C-Gear_Double Gear Double - Transfer gear - has double gear attached on service station CD041C-Gear_Main Gear Main - Paper pickup drive assembly - gear assembly located on right side of paper pickup assembly. gear moves the main paper pick up roller. CD041C-Glass_ADF_Window Glass ADF Window - Small glass piece used when scanning - copying - faxing with ADF feeder for this unit will ship Q5888-00002. CD041C-Guide_Paper Guide Paper - Upper paper guide - spring loaded flat plate that presses the media against the top

(includes the charge coupled device (ccd)) the scanning lamp ADF analog processor board and ADF inverter board - major portion of the ADF main assembly. CD041C-Scanner_Assy Scanner Assembly - Copier scanner & glass assembly - includes the chassis assembly scanner lens assembly (includes the charge coupled device (ccd)) the scanning lamp ADF analog processor board and ADF inverter board - major portion of the ADF main assembly. CD041C-Scanner_Belt Scanner Belt - Scanner belt attaches from the scanner to the scanner motor. CD041C-Scanner_Cable Scanner Cable - Flex circuit cable which connects to the scanner assembly. also known as flat cable, this cable moves along with the scanner unit (side to side) as it scans documents. CD041C-Scanner_Unit Scanner Unit - Scanner unit includes the entire scanner base but not the ADF portion. CD041C-Sensor_ADF Sensor ADF - Photo-sensor assembly - includes the sensor and mounting bracket - paper pickup roller home position sensor - activated by the sensor flag on the pickup roller assembly - mounts on the front frame of the ADF paper pickup assembly CD041C-Sensor_Out Sensor Out - OOPS sensor - out of paper sensor - detects the presence of the paper in the printer tray CD041C-Sensor_Spot Sensor Spot - Spot sensor assembly is attached to the carriage assembly. CD041C-Separator Separator - Pad separator - assembled from plastic and rubber components; to help in separating sheet of media during printing from bottom trays. CD041C-Guide Service Guide - Printer Reference Guide (not a service manual) - Contains information such as product information, operation overview, paper behavior, maintenance, ink safety, and removal / replacement of parts. This is not a service manual for technical repair. CD041C-Service_Station Service Station - Service station assembly - for conditioning the printheads when the carriage is in its home position CD041C-SLED_Assy SLED Assembly - Sled assembly - white plastic piece with spring, wipers and boot (assembly that the ink cartridge parks on) - mounts on top of the service station assembly CD041C-Slider Slider - Carriage base slider - plastic piece on the front end of the carriage that allows the carriage to slide side to side. CD041C-Speaker Speaker