FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual Introduction The FT-450 is a rugged, innovative multiband, multimode portable transceiver for the amateur radio HF/VHF bands. Providing coverage of the 160-10 meter bands plus the 6 m, the FT-450 includes operation on the SSB, CW, AM, FM, and Digital modes, yielding the most comprehensive performance package available for field operation. Designed for use from an external DC power source, the FT-450 provides 100 watts of power output from a 13.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual Specifications General Frequency Range: Receive: 30 kHz - 56 MHz Transmit: 160 - 6 Meters Emission Modes: A1 (CW), A3 (AM), A3J (LSB/USB), F3 (FM) Synthesizer Steps (Min.): 10 Hz (CW/SSB), 100 Hz (AM/FM) Antenna Impedance: 50 Ohms, Unbalanced (M) Operating Temp. Range: -10 °C to +50 °C Frequency Stability: ± 4 ppm from 1 min. to 60 min after power on. @25 °C: 1 ppm/hour Supply Voltage: Normal: 13.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual Receiver Circuit Type: Double-Conversion Superheterodyne Intermediate Frequencies: 1st: 67.899 MHz 2nd: 24 kHz Sensitivity: SSB/CW AM FM 1.8 MHz-28 MHz 0.2 µV 2 µV - 28 MHz-30 MHz 0.2 µV 2 µV 0.5 µV 50 MHz-56 MHz 0.16 µV 1 µV 0.25 µV (SSB/CW/AM = 10 dB S/N, FM = 12 dB SINAD) Image Rejection: 70 dB IF Rejection: 60 dB Selectivity (-6/-60 dB): SSB/CW: 2.2 kHz/4.5 kHz AM: 6 kHz/20 kHz FM-N: 9 kHz/25 kHz CW-N: 500 Hz/2.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual Installation Power Connections The FT-450 is designed use from an external DC power source. External DC power source operation The DC power connector for the FT-450 must only be connected to a DC source providing 13.8 Volts DC (±10%), and capable of at least 22 Amperes of current.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual Antenna Considerations The antenna systems connected to your FT-450 transceiver are, of course, critically important in ensuring successful communications. The FT-450 is designed for use with any antenna system providing 50 resistive impedance at the desired operating frequency.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual the case, causing irreparable damage. If a lightning storm is in progress in your immediate area, do not attempt to disconnect the cables, as you could be killed instantly if lightning should strike your antenna structure or a nearby power line.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual interference from the device! Be certain to use only shielded cables for TNC-to-Transceiver connections. You may need to install AC line filters on the power cord(s) of the suspected equipment, and decoupling ferrite toroidal chokes may be required on interconnecting patch/data cables. As a last resort, you can try installing additional shielding within the computer’s case, using appropriate conductive mesh or conductive shielding tape.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual providing for manual sending, it usually is possible to connect the keyed lines together via a “Y” connector. Check with the documentation accompanying your keyer and your contest/DX software for any cautions which need to be observed. Receiver Accessories (Tape Recorder etc.) Connection of a tape recorder or other such receiver accessory is easily accomplished by using the DATA jack’s Data Out (1200 bps) terminal (Pin 5) and Ground (Pin 2).
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual activates the transmitter for a few seconds while the automatic antenna tuner rematches the antenna system impedance for minimum SWR. The resulting setting is automatically stored in one of the antenna tuner’s 100 memories, for instant automatic recall later when the receiver is tuned near the same frequency. Pressing this button momentarily, while the Tuner is engaged, will take the Automatic Antenna tuner out of the transmit line. 5.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual This button selects the AGC characteristics for the receiver. Available selections are FAST, MID, Slow, or Auto, and the “AGC” icon will change according to the AGC characteristics selected. 11. NB Switch This button turns the IF Noise Blanker on and off. Press this button momentarily to reduce a short pulse noise, and “NB” icon appears in the display. 12.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual are 10 Hz (100 Hz in AM and FM modes); when the [FAST] button is pressed, the tuning steps increase. The available steps are: Operating Mode 1 Step* 1 Dial Rotation LSB/USB/CW 10 Hz (100 Hz) 10 kHz (100 kHz) AM/FM 100 Hz (1 kHz) 100 kHz (1 MHz) * Numbers in parentheses indicate steps when the [FAST] button is On. Advice: The tuning steps for the Main Tuning Dial knob are set, at the factory, to 10 Hz per step.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual once more returns operation to the Main VFO (no icon). 23. BAND Keys These keys allow one-touch selection of the desired Amateur band (1.8 ~ 50 MHz). What’s more, these keys may be used for direct entry of a desired operating frequency during VFO operation. 24. CLAR Switch Pressing this button activates the RX Clarifier, to allow offsetting the Main (VFO-A) receiving frequency temporarily.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual NOTCH Appears the graphically depict the peak position of the IF Notch Filter when the IF Notch Filter is activated. 6. WIDTH Indicates the bandwidth of the DSP IF filter. SHIFT Indicates the peak position of the DSP IF filter. KEYER This indicator appears whenever the internal CW keyer is activated. TX This indicator appears during transmission on the (VFO-A) frequency. Frequency Display This is the frequency display.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual performance. Use a large diameter, short braided cable for making ground connections, and please refer to page xx for other notes about proper grounding. 27. DATA Jack This 8-pin output jack provides band selection data, which may be used for control such as the TNC. 28. TUNER Jack This 8-pin output jack provides band selection data, which may be used for control such as the Antenna Tuner. 29.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual Turning the Transceiver On and Off 1. To turn the transceiver on, press and hold in the PWR switch for one second. 2. To turn the transceiver off, again press and hold in the PWR switch for one second. Operating Band Selection This transceiver covers an incredibly wide frequency range, over which a number of different operating modes are used.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual GAIN]; see page <?>> for details. If your transceiver is configured for “RF Gain” use, rotating this control fully clockwise in the SSB/CW/Digital modes will provide best sensitivity. To reduce the receiver’s RF Gain somewhat, rotate this control counter-clockwise slightly.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual In the transceiver’s default configuration, pressing the LOCK button disables just the DIAL, while the other keys and switches are unaffected. To lock out the remainder of the controls and the DSP/SEL knob, use Menu Mode [LOCK MODE]; 1. Press and hold in the [F] key for one second to enter the Menu mode. 2. Rotate the DSP/SEL knob so as to recall [LOCK MODE]. 3. Rotate the DIAL to select the desired. FREQ.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual signal. Rotate the SHIFT knob, as needed, to reduce or eliminate the interference. AGC (Automatic Gain Control) The receiver recovery time constant of the AGC system may be modified to match your operating needs. Press the [AGC] key toggle the AGC recovery time constant among the following selections: AGCauto AGCfast AGCslow AGCauto … where “AUTO” represents “FAST” on CW and DATA(AFSK), and “SLOW” on the voice modes.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual DSP Notch Filter The DSP system’s Notch Filter may be helpful in removing one or more offending carrier or heterodyne signals from the audio passband. 1. Press the [DSP] key, which selects NOTCH meter on the display, then the “parenthesis” will appear at the both side of the “NOTCH” indication. 2. Press the [DSP/SEL] key to activate the notch filter feature.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual 2. Press the MODE (UP)/MODE (DOWN) key, as needed, to select one of the CW modes. R. F. Says: The “CW” mode utilizes USB-side carrier injection, while the CWR (Reverse) mode utilizes LSB-side injection. 3. Press and hold the [KEYER] key for one second, then appears [CWSPEED] on the display. 4. The CW hang time can be adjusted using the Menu Mode.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual configurations, but with the following differences: In the VFO mode, scanning causes the transceiver to sweep up or down the band, pausing or halting on any signal encountered; In the Memory mode, the scanner will scan the programmed memories, and can be instructed to skip certain memories during scanning; In the Programmable Memory Scan (PMS) mode, the scanner will scan the band within user-programmed frequency limits. Scanning Operation 1.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual BUSY: In this mode, the scanner will halt until the other station’s transmission ceases (at which point the squelch will close). One second after the squelch closes, scanning resumes automatically. To choice the Scan-Resume mode; 1. Press and hold in the [F] button for one second to activate the Menu mode. 2. Rotate the DSP/SEL knob to select Menu Mode [SCAN MODE]. 3. Press and rotate the DSP/SEL knob to select the Scan-Resume mode 4.
FCC ID: K6620241X50 IC ID: 511B-20241X50 Operating Manual This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.