Icom IC-737 Instruction Manual

Pages 64

Year 1992

Language(s)

of 64

Icom IC-737 Transceiver Specification

The Icom IC-737 Transceiver is a high-performance amateur radio transceiver designed for versatility and reliability. It operates across the HF bands, covering 160 to 10 meters, and offers a frequency range from 100 kHz to 30 MHz, ensuring comprehensive communication capabilities. The transceiver features a general coverage receiver with AM, FM, CW, and SSB modes, providing users with flexibility in operation. The IC-737 is equipped with a 100-watt output power, which ensures strong signal transmission and effective communication over long distances.

It integrates a PLL frequency synthesizer that enables precise frequency control and stability, which is crucial for maintaining clear and consistent communication. The transceiver also includes a built-in automatic antenna tuner, simplifying the tuning process and optimizing antenna performance for efficient signal transmission. The IC-737’s user interface is designed for ease of use, featuring a large, backlit LCD display that provides clear frequency readouts and operational status.

Additional functionalities include a noise blanker for reducing interference from impulse noise, an RF attenuator for managing strong signal inputs, and a notch filter to eliminate unwanted signals. The transceiver also supports direct frequency entry and memory storage, allowing for quick access to frequently used frequencies. Its compact and robust design makes it suitable for both stationary and mobile operations. Overall, the Icom IC-737 is a reliable and versatile transceiver that caters to the needs of amateur radio enthusiasts, providing a comprehensive range of features for effective and enjoyable communication.

Icom IC-737 Transceiver F.A.Q.

How can I perform a factory reset on the Icom IC-737?

To perform a factory reset on the Icom IC-737, turn off the radio. Then, while holding the 'SET' button, turn the radio back on. This will reset the radio to its default factory settings.

What are the steps to adjust the RF power output on the IC-737?

To adjust the RF power output, press the 'SET' button, rotate the tuning dial until 'RF POWER' is displayed, and then use the 'UP' or 'DOWN' buttons to adjust the power level.

How do I troubleshoot if my IC-737 is not transmitting?

First, check if the microphone is properly connected. Ensure that the RF power is not set to zero. Verify that the antenna is correctly tuned and connected. If the issue persists, consult the user manual for further diagnostics.

What is the recommended maintenance schedule for the IC-737?

Regularly clean the exterior using a soft, dry cloth. Check all connections and cables monthly. Perform a full functional test every three months to ensure optimal performance.

How can I improve the receiver sensitivity on my IC-737?

Ensure that your antenna is properly matched to the radio. You can also adjust the RF gain and preamp settings to improve receiver sensitivity.

What should I do if the display on my IC-737 is not functioning correctly?

Check for loose connections or damage to the display cable. Perform a factory reset to rule out software issues. If the problem persists, professional repair may be necessary.

How do I program memory channels on the IC-737?

To program memory channels, select the desired frequency, mode, and settings. Then, press the 'MW' button followed by a memory channel number to store the configuration.

What is the procedure to update the firmware on the IC-737?

The IC-737 does not support firmware updates via software. Any necessary updates must be done by an authorized Icom service center.

How do I connect an external antenna tuner to the IC-737?

Connect the antenna tuner to the transceiver's ANT jack and then connect your antenna to the tuner. Follow the tuner’s manual for specific tuning instructions.

What should I do if the IC-737 overheats during operation?

Ensure proper ventilation around the transceiver and avoid operating at maximum power for prolonged periods. If overheating persists, check for blocked vents or consider using an external cooling fan.