The PJ2+ COM RADIO is a handheld communication transceiver designed for aviation use, offering a range of features for pilots and aviation enthusiasts. This manual provides comprehensive information on its operation, maintenance, and technical specifications.
Function Description:
The PJ2+ COM RADIO is primarily used for air-to-ground and air-to-air communication within the aviation band. It allows users to transmit and receive on frequencies between 118.000 MHz and 136.975 MHz. The device features a 1.63" LCD screen that displays the current frequency, last frequency, and other operational information. It supports both manual frequency selection and memory channel operation, with 20 visual memory channels for storing frequently used frequencies. The radio also includes a NOAA weather band for receiving weather information.
Key operational features include:
- Manual Frequency Selection: Users can manually input desired frequencies using the numeric keypad. The radio displays the current frequency and the last frequency used.
- Frequency Search: The device can automatically search for active frequencies within the aviation band. This feature allows users to quickly find ongoing transmissions.
- Memory Channels: The PJ2+ COM RADIO can store up to 20 memory channels, making it easy to recall frequently used frequencies.
- NOAA Weather Band: Dedicated functionality for receiving NOAA weather broadcasts, providing essential weather updates.
- Emergency Frequency Selection: A dedicated button allows for quick access to the 121.5 MHz emergency frequency.
- Sidetone: This feature provides an audible feedback of the user's own transmission, which can be useful for monitoring audio output.
- Night Mode: Optimizes the display for low-light conditions, enhancing readability.
- Key Lock: Prevents accidental changes to settings during operation.
- Backlight Control: Adjustable backlight for the screen and keypad, with both low and high backlight modes.
Important Technical Specifications:
- Frequency Range: 118.000 MHz to 136.975 MHz (760 COM frequencies).
- Output Power: 5 Watts (PEP) transmit power while on batteries.
- Display: 1.63" LCD screen.
- Audio Output: 3.5mm earbud/headset jack.
- Antenna: Flexible rubber antenna with a BNC connector.
- Power Source:
- Alkaline Battery Pack: Requires six AA batteries.
- External Power: USB-A to USB-C power cable, requiring a wall adapter that provides 2.4 amps. A backup tablet battery pack (sold separately) can also be used.
- Dimensions: Not explicitly stated, but implied to be a handheld device.
- Environmental Operating Range: -22°F (-30°C) to 122°F (50°C).
Usage Features:
The PJ2+ COM RADIO is designed for ease of use, with a straightforward interface.
- Simplified Directions:
- Install the batteries.
- Turn the unit on (rotate volume knob clockwise).
- Enter the desired frequency (e.g., 122.975 MHz).
- Listen and transmit.
- Controls:
- Top View: Includes antenna connector (BNC), 3.5mm earbud/headset jack, on/off and volume control, earphone jack, microphone jack, and wrist strap attachment point.
- Left Side View: Features a PTT (Push-to-Talk) button, backlight button, flip/flop button, and various keypad buttons for frequency selection and function control.
- Right Side View: Includes an external USB-C power port.
- Front View: Features the LCD screen, numeric keypad, emergency frequency button (121.5), night vision mode button, low backlight button, high backlight button, down/key lock button, up/memory clear button, clear/all clear button, WX (weather) button, and MEM (memory) button.
- Back View: Includes a belt clip attachment point and battery pack.
- Keypad Functions: The numeric keypad (0-9) is used for frequency input. Dedicated keys for CLR (Clear), WX (Weather), MEM (Memory), DOWN, UP, and RCL (Recall) provide quick access to various functions.
- Squelch Control: Adjustable squelch to filter out background noise.
- Flip/Flop Button: Allows quick switching between the current frequency and the last frequency used.
Maintenance Features:
Proper maintenance ensures the longevity and optimal performance of the PJ2+ COM RADIO.
- Battery Installation: The device uses six AA batteries in an Alkaline Battery Pack. Instructions are provided for correct battery insertion, ensuring proper polarity. For long-term storage, batteries should be removed to prevent corrosion.
- External Power: The radio can be powered externally via a USB-C port using a wall adapter providing 2.4 amps. This is crucial for maintaining full transmit power.
- Cleaning: Use a soft cloth dampened with a mild detergent solution for cleaning the radio. Avoid abrasive cleaners or chemical solvents.
- Antenna Care: The flexible rubber antenna is designed for durability. If an external antenna is used, ensure it is properly installed and connected via the BNC connector.
- Storage: Store the radio within the recommended temperature range of -22°F (-30°C) to 122°F (50°C). Avoid extreme temperatures, direct sunlight, and moisture.
- Warranty: The PJ2+ COM RADIO comes with a warranty covering defects in workmanship or parts under normal use. The warranty does not cover damage from misuse, battery leakage, physical damage, lightning, excess current, moisture, or unauthorized repairs. For service, the unit should be returned to Sporty's Pilot Shop.
Precautions:
- RF Exposure: The device complies with FCC RF exposure requirements for occupational use only. Maintain a vertical position with the microphone 1 to 2 inches (2.5 to 5 cm) away from your mouth and the antenna at least 1 inch (2.5 cm) away from your head and body when transmitting.
- Battery Safety: Use only approved external power adapters and battery packs. Never dispose of dead batteries in a fire, short-circuit them, or mix old and new batteries.
- Environmental Conditions: Avoid operating or storing the radio in excessively hot, cold, humid, or dusty environments. Do not expose the radio to direct sunlight for extended periods.
- Liquid Spills: If liquid or a solid object falls into the unit, immediately turn off the power and remove the battery pack or external power adapter.
- Service: Do not attempt to service the unit yourself. Refer all servicing to qualified service personnel.
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