Surecom SW-33 Mark II

Surecom SW-33 Mark II Digital VHF/UHF Power & SWR Meter Instruction Manual

1. Giới thiệu

This manual provides detailed instructions for the operation and maintenance of your Surecom SW-33 Mark II Mini Digital VHF UHF Two-Way Radio Handheld Power & SWR Meter. This device is designed to accurately measure the forward power, reverse power, and Standing Wave Ratio (SWR) of your VHF and UHF radio systems. Proper use ensures optimal performance and longevity of your equipment.

2. Nội dung gói hàng

Vui lòng xác minh rằng tất cả các mục được liệt kê dưới đây đều có trong gói hàng của bạn:

  • 1x Surecom SW-33 Mark II Digital Power & SWR Meter
  • 1x SMA Dummy Load
  • 1x Cáp sạc USB
  • 1 cuốn hướng dẫn sử dụng tiếng Anh
  • Various SMA adapters for compatibility
Contents of the Surecom SW-33 Mark II package, including the meter, SMA dummy loads, USB charge cable, and English manual.

Hình 2.1: Một hình ảnh hoàn chỉnh view trong số tất cả các mặt hàng có trong gói sản phẩm.

3. Sản phẩm hếtview

The Surecom SW-33 Mark II is a compact and robust device designed for ease of use. It features a clear digital display and intuitive controls.

3.1 Các thành phần vật lý

  • Top Connector: Used for connecting antennas or dummy loads.
  • Đầu nối dưới cùng: Used for connecting to your radio device.
  • Nút nguồn: Located on the front, used to turn the device on/off and cycle through display modes.
  • Cổng Micro-USB: Located on the top, used for charging the internal battery.
  • Đèn báo LED: Next to the Micro-USB port, indicates charging status (red for charging, green for fully charged).
  • Màn hình kỹ thuật số: Shows SWR, Forward Power (FW), and Reverse Power (RW) values.
Labeled diagram of Surecom SW-33 Mark II showing LED display, charge LED, 5V Micro USB Power In, Power Switch, To Antenna, and To Radio ports.

Figure 3.1: Detailed diagram highlighting the main components and connection points of the SW-33 Mark II.

Surecom SW-33 Mark II display showing power (4.6W) and S.W.R. (1.64:1) readings.

Figure 3.2: An illustration of the meter's display, indicating how power and SWR values are presented.

3.2 Initial Power-On Display

Upon startup, the meter's digital display will show three sets of values: SWR, Forward Power (FW), and Reverse Power (RW). You can cycle through these displays by briefly pressing the power button.

4. Thiết lập

4.1 Sạc thiết bị

  1. Locate the Micro-USB charging port on the top of the meter.
  2. Connect the provided USB charge cable to the meter and a suitable 5V USB power source.
  3. The LED indicator next to the port will illuminate red while charging.
  4. Đèn LED sẽ chuyển sang màu xanh khi pin được sạc đầy.
Surecom SW-33 Mark II connected to a 5V Micro USB input for charging.

Figure 4.1: The meter being charged via its convenient Micro USB port.

4.2 Bật / Tắt nguồn

To power on the device, press and hold the power button for a few seconds until the display illuminates. To power off, press and hold the power button again until the display turns off.

5. Operating Instructions: Power Measurement

Follow these steps to measure the RF power output of your radio device:

  1. Ensure the meter is adequately charged.
  2. Connect your radio device to the bottom connector of the SW-33 Mark II. Use appropriate adapters if necessary (included in the package).
  3. Connect a suitable dummy load to the top connector of the SW-33 Mark II. Ensure the dummy load can handle the maximum power output of your radio.
  4. Power on the SW-33 Mark II. Press the power button until the indicator light is at the top left, displaying FW (Forward Power) values.
  5. Hold down the Push-To-Talk (PTT) button on your radio for a few seconds.
  6. Observe the FW value on the meter's display. This indicates the forward power output of your radio.
Instructions on how to measure walkie-talkie TX power using the Surecom SW-33 Mark II with a dummy load.

Figure 5.1: Visual guide demonstrating the correct setup for measuring the transmit power of a two-way radio.

Video 5.1: Demonstration of the SW-33 Plus 100W 125-525 MHz Power & SWR Meter, showcasing its features and operation for power and SWR measurements.

6. Operating Instructions: SWR Measurement

Follow these steps to measure the SWR of your antenna:

  1. Ensure the meter is adequately charged.
  2. Connect your radio device to the bottom connector of the SW-33 Mark II. Use appropriate adapters if necessary.
  3. Connect the antenna you wish to test to the top connector of the SW-33 Mark II. Ensure the antenna is positioned vertically and there are no obstructions nearby.
  4. Power on the SW-33 Mark II. Press the power button until the indicator light is at the middle left, displaying SWR values.
  5. It is recommended to test with your radio device set to high power for more accurate results.
  6. Hold the meter steadily and hold down the Push-To-Talk (PTT) button on your radio for a few seconds.
  7. Observe the SWR value on the meter's display. An SWR value closer to 1.0 indicates better antenna performance and a good match.
Instructions on how to measure antenna S.W.R. using the Surecom SW-33 Mark II with an antenna connected.

Figure 6.1: Visual guide demonstrating the correct setup for measuring the Standing Wave Ratio (SWR) of an antenna.

Video 6.1: A detailed guide on how to use the Surecom SW-33 meter for both power and SWR measurements with a two-way radio.

7. Thông số kỹ thuật

Kích thước sản phẩm7.28 x 1.77 x 4.8 inch
Trọng lượng sản phẩm8.1 ounce
Số hiệu mẫu sản phẩmmsc-030048
PinCần có 1 pin Lithium Ion (đã bao gồm)
Tính năng đặc biệtUHF, VHF, Digital Readout
Màu sắcĐen
Nhà sản xuấtSurecom
Dải tần số125-525MHz
Công suất tối đa100W

8. Bảo trì

  • Vệ sinh: Use a soft, dry cloth to clean the exterior of the device. Do not use harsh chemicals or abrasive cleaners.
  • Kho: Bảo quản máy đo ở nơi khô ráo, thoáng mát, tránh ánh nắng trực tiếp và nhiệt độ cao.
  • Chăm sóc pin: For optimal battery life, avoid fully discharging the battery frequently. Recharge the device regularly, especially if it will not be used for an extended period.
  • Đầu nối: Keep connectors clean and free from dust or debris to ensure reliable connections.

KHAI THÁC. Xử lý sự cố

Vấn đềNguyên nhân có thểGiải pháp
Thiết bị không bật nguồnPin yếu; Nút nguồn không được nhấn đúng cáchCharge the device; Press and hold the power button for a few seconds
Inaccurate SWR/Power readingsLoose connections; Incorrect adapter usage; Antenna not tuned; Radio power setting too lowEnsure all connections are secure; Use correct adapters; Adjust antenna for optimal SWR; Set radio to high power for testing
Đèn LED sạc không sángFaulty USB cable/power source; Device already fully chargedTry a different USB cable or power source; Check if the LED is green (fully charged)

10. Bảo hành và Hỗ trợ

Để biết thông tin bảo hành hoặc hỗ trợ kỹ thuật, vui lòng tham khảo tài liệu được cung cấp kèm theo sản phẩm hoặc liên hệ trực tiếp với người bán. Vui lòng giữ lại hóa đơn mua hàng để phục vụ cho các yêu cầu bảo hành.

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