Mat-Tuner mAT-Y200 - User Manual

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mAT-Y200 INSTRUCTIONS

Antenna tuner for the YAESU transceiver

Thank you for choosing this product.

Please READ ALL INSTRUCTIONS carefully and completely before using this tuner.

IMPORTANT

◆ NEVER touch the antenna or antenna connector with your hand when the trans-

ceiver is transmitting, it will cause burns!

◆ NEVER use the antenna tuner during a lightning storm. It may result in an electric

shock, cause a fire or damage the tuner. Always disconnect the antenna before a

storm.

◆ NEVER operate the tuner with its cover removed. Contact with the components

inside the tuner while transmitting will result in painful RF burns.

◇ Always turn your radio off before plugging or unplugging anything. The radio may

be damaged if cables are connected or disconnected while the power is on.

◇ The product is designed for indoor operation only，it is not water resistant. If you

use it outdoors (Field Day, for example), you must protect it from rain, dew and steam.

◇ This tuner is a special model for Yaesu transmitters. We will try to make it match

more models of transmitters. We can only guarantee that it can match the existing

transmitter well. For the new transmitter to be sold by Yaesu company in the future,

we can't guarantee that this tuner can also match well.

INTRODUCTION

mAT-Y200 is specially designed for Yaesu brand transmitters with RF power not higher than

200W(SSB), such as FT-891, FT-991A, FTDX10, FTDX101D, FTDX101MP. It should be noted

that, it cannot be used for FTDX5000 and FT-2000, because these transmitters do not have

a standard 8-pin Yaesu tuner interface. For FTDX-101MP transmitter, when using external

tuner, it will automatically set the maximum RF power to 100W, so when using this tuner,

the maximum output RF power is 100W. The FT-817/818 transmitter also cannot use this

tuner, if you happen to use this transmitter, please choose the mAT-10 tuner, which is

specially designed for FT-817/818.

This tuner is also a great choice for users who like to operate the transmitter in digital

modes such as FT8, CW and RTTY. For most tuners, it is not possible to withstand 100 watts

of digital mode RF signals entering the tuner. The mAT-Y200 allows up to 100 watts of

digital mode RF signals to pass through the tuner.

Need help?

Do you have a question about the Mat-Tuner mAT-Y200 and is the answer not in the manual?

The MAT-Y200 is an automatic antenna tuner specifically designed for Yaesu brand transceivers. It functions as an external tuner, connecting to the transmitter via a control cable (mAT-CY) which also supplies power to the tuner. This eliminates the need for an additional power supply for the tuner itself. The MAT-Y200 tracks and synchronizes frequency data with the transmitter, similar to the mAT-30 tuner, making its operation convenient.

Function Description:

The primary function of the MAT-Y200 is to match the impedance of various antennas to the 50-ohm output impedance of a Yaesu transceiver, thereby optimizing power transfer and reducing SWR (Standing Wave Ratio). It can tune dipoles, verticals, Yagis, or virtually any coax-fed antenna. The tuner is compatible with modern Yaesu transmitters with RF power not exceeding 200W (SSB) and 100W (DATA mode, such as FT8, CW, RTTY).

Compatible Yaesu transceivers include models like FT-891, FT-991A, FTDX10, FTDX101D, and FTDX101MP. It's important to note that it cannot be used with FTDX5000 and FT-2000 due to their non-standard 8-pin Yaesu tuner interface. For the FTDX-101MP, using an external tuner automatically sets the maximum RF power to 100W. The MAT-Y200 is not suitable for the FT-817/818; for those, the mAT-10 tuner is recommended.

A key feature of the MAT-Y200 is its robust performance in digital modes. Unlike many tuners that struggle with sustained high power in digital modes, the MAT-Y200 can handle up to 100 watts of digital mode RF signals, making it an excellent choice for users of FT8, CW, and RTTY.

The tuner features a frequency tracking function. If the transmitter's frequency changes, the tuner will automatically adjust. Users can initiate a new tuning cycle if they are not satisfied with the current VSWR or if they are operating at a new frequency for the first time. Modern transmitters typically allow a new tuning cycle to be started by pressing and holding the [TUNE] key on the front panel for more than 1 second. A quick press and release of the [TUNE] key can switch the tuner's "ONLINE / BYPASS" status.

Important Technical Specifications:

Frequency Range: 1.8 – 54 MHz
Maximum Input Power: 200W (SSB), 100W (DATA mode)
Tuning Time:
- Maximum 5 seconds (Full tuning)
- 0.1 seconds (Memory tuning)
Number of Memories: 16000
Usable Temperature: -10℃ ~ +60℃ (14°F ~ 140°F)
Dimensions: 180 x 142 x 51 mm (7.1 x 5.6 x 2.0 inches)
Weight: 830g (29.3oz)
Connectors:
- ANTENNA: SO-239 socket for 50 ohm coaxial cable.
- RF IN (Max 200W): SO-239 socket for 50 ohm coaxial cable from the transceiver's "ANT" socket.
- Radio: Mini DIN 8-pin socket for the mAT-CY control cable to the transceiver's "Tuner" socket.
- GND: For connection to an antenna system ground.

Usage Features:

Front Panel Indicators:
- ONLINE: Status indication. Lights up when the tuner is online, off when in bypass mode.
- POWER: Power light. Illuminates green when the tuner is working.
Installation:
1. Ensure the transmitter is turned off before connecting any cables.
2. Connect the transceiver's "ANT" jack to the tuner's "RF IN" jack using a 50-ohm coax cable (rated 200 watts or greater).
3. Connect the supplied mAT-CY control cable from the tuner's "Radio" jack to the transceiver's "TUNER" jack.
4. Connect the antenna's coaxial cable to the tuner's "ANTENNA" socket.
5. Ground the tuner for enhanced performance and safety. A common ground rod connected to buried radials is preferred, but alternatives like a single ground rod, a cold water pipe, or a screw on an AC outlet cover can be used. The use of a properly installed, high-quality lightning arrestor on all antenna cables is strongly recommended.
Transceiver Settings: Refer to the transmitter's user manual for setting up the external tuner menu. Newer transmitters may only require setting the tuner menu option to "External." For older models (e.g., FT-857D), multiple menus might need adjustment. The communication rate between the transmitter and tuner is 4800bps by default; ensure this setting is maintained if it has been changed. When configuring, treat the MAT-Y200 as compatible with Yaesu FC-40 or FC-50 tuners.
Operation: The tuner automatically follows frequency changes. A new tuning cycle can be initiated if needed. The latest transmitters allow starting a new tuning cycle by pressing and holding the [TUNE] key for over 1 second. A quick press and release of the [TUNE] key toggles the tuner's "ONLINE / BYPASS" status.

Maintenance Features:

Safety Precautions:
- NEVER touch the antenna or antenna connector while the transceiver is transmitting to avoid burns.
- NEVER use the tuner during a lightning storm; disconnect the antenna beforehand.
- NEVER operate the tuner with its cover removed to prevent RF burns.
- Always turn off the radio before connecting or disconnecting cables to prevent damage.
Environmental Considerations: The MAT-Y200 is designed for indoor operation and is not water-resistant. If used outdoors (e.g., Field Day), it must be protected from rain, dew, and steam.
Grounding: Proper grounding enhances performance and safety.
Technical Support: The manufacturer provides technical support via their website (http://www.mat-tuner.com/) which offers product manuals and information on other MAT-TUNER products. They also provide an email address for support inquiries.
Compatibility Note: While designed for existing Yaesu transmitters, the manufacturer cannot guarantee compatibility with future Yaesu models.