外部天调与选购件 34 CHAPTER External ATU & Optional Accessories
本章要点：本章说明 FTX-1 可用的外部自动天调与相关选购件：安装在天线馈电点附近的 FC-40、可装在 FTX-1 Field 机身内的 FC-80、有源调谐天线系统 ATAS-120A，以及提供蓝牙功能的 BU-6 单元和侧向提手 MHG-1。重点是与主机的互连方式、对应 的设置菜单项，以及正确的调谐操作步骤。
34-1 Tuner Options at a Glance · 天调类选购件一览
适用机型Applicable 型号Model 名称Description 要点Key point model
Long wire compatible FTX-1 optima（不能 安装在天线馈电点附近，防水外壳，接主机后面 FC-40 External Auto Antenna Tuner 接 FTX-1 Field） 板 ANT 与 TUNER 端子 （长线用外部自动天调）
HF/50MHz 10W Automatic FTX-1 Field（不能接 可与电池 SBR-52LI 同时装在 Field 机身内，野 FC-80 Antenna Tuner（附垫片） FTX-1 optima） 外也能自动调谐
HF/50MHz 10W Long FC-90 wire/50Ω compatible — 长线 / 50 Ω 兼容型自动天调 Automatic Antenna Tuner
Active Tuning Antenna FTX-1 Field / FTX-1 由 FTX-1 的控制信号自动调谐，覆盖 ATAS-120A (Automatic Type)（有源调谐 optima 7/14/21/28(29)/50/144/430 MHz 天线）
Antenna Base Kit（ATAS- ATBK-100 配 ATAS-120A 安装底座组件 120A 用天线底座套件）
Bluetooth Unit（蓝牙单元， BU-6 由 BU-5 与 FTX-1 专用盖板组 FTX-1 配合 SSM-BT20 或市售蓝牙耳机实现免提操作 成）
34-2 FC-40 External Automatic Antenna Tuner · FC-40 外部自动天调概述
FC-40 利用收发信机内置的控制电路，让操作者可以控制 The FC-40 makes use of the control circuitry built into the 并监视 FC-40 的自动运行；FC-40 安装在天线馈电点附 transceiver, which allows the operator to control and 近。 monitor automatic operation of the FC-40, which mounts near the antenna feedpoint. FC-40 选用经过特别筛选、热稳定性高的元器件，并封装 在防水外壳中，可在恶劣环境条件下保持高可靠性。 The FC-40 uses specially selected, thermally stable components, and is housed in a waterproof case to 经过精心选配的固态开关元件与高速继电器组合，使 FC- withstand severe environmental conditions with high 40 能把多种天线在 160 m 至 6 m 的任意业余频段频率上 reliability. 匹配到 2:1 以内的 SWR，典型耗时不到 8 秒。匹配所需
A carefully-chosen combination of solid-state switching 的发射功率最低仅需 4 ~ 60 W；匹配结果会自动存入存
components and high-speed relays allows the FC-40 to 储器，之后再次选择同一频率范围时可立即调出。 match a wide variety of antennas to within a 2:1 SWR on FC-40 不能连接到 FTX-1 Field 配置。 any amateur band frequency (160 through 6 meters), typically in less than eight seconds. Transmitter power required for matching may be as little as 4 – 60 Watts, and matching settings are automatically stored in memory for instant recall when the same frequency range is selected later.
The FC-40 cannot be connected to the FTX-1 Field configuration.
表 34-1 FC-40 主要指标 Table 34-1 FC-40 key specifications
项目 指标 说明 Item Specification Description
匹配范围 160 m ~ 6 m 业余频段 任意业余频段频率
匹配能力 2:1 SWR 以内 视天线架设与安装环境而定，个别天线可能无法 调到低 SWR
调谐时间 典型 8 秒以内 典型值
匹配所需功率 4 ~ 60 W 匹配时所需的最低发射功率范围
匹配记忆 自动存储 再次选择同一频率范围时立即调出
适用机型 FTX-1 optima 不能接 FTX-1 Field
34-3 Interconnections to FTX-1 optima · FC-40 与 FTX-1 optima 的互连
安装好 FC-40 后，把 FC-40 引出的线缆连接到 FTX-1 After mounting the FC-40, connect the cables from the FC- optima 收发信机后面板的 ANT 与 TUNER 端子上。 40 to the ANT and TUNER jacks on the rear panel of the 连接线缆之前，请先关闭外部电源开关和 FTX-1 的电源开 FTX-1 optima transceiver. 关。 Turn OFF the external power supply switch and the FTX-1 power supply switch first, before connecting the cables. 附带的铁氧体磁环应尽量靠近连接器安装。 用附带的密封胶带缠绕防水帽的端部，防止潮气侵 Install the supplied ferrite core as close to the connector as possible. 入。
Wrap the ends of the waterproof cap with the supplied sealing tape to protect against moisture ingress.
表 34-2 FC-40 与 FTX-1 optima 的连接对照 Table 34-2 FC-40 to FTX-1 optima connection map
FC-40 侧 FTX-1 optima 侧 线缆 说明 FC-40 side FTX-1 optima side Cable Description
（天线端子） Antenna Terminal — — 接长线天线本体
GND Terminal（接地端子） — — 接大地 / 地网，是长线匹配的关 键
射频输出端 ANT 1/2 (HF/50MHz) （ 附带） Antenna Cable FC-40 M 型同轴连接器，50 Ω
控制端 TUNER Control Cable（FC-40 附带） 用于连接选购件外部天调 FC-40
表 34-3 TUNER 端子信号（FTX-1 optima 后面板） Table 34-3 TUNER terminal signals (FTX-1 optima rear panel)
信号名 说明 Signal Description
TX GND 发射地
TX INH 发射禁止（Inhibit）
TX D 发射数据
RX D 接收数据
+13V OUT 13 V 直流输出
RESET 复位信号
N.C 空脚（不连接）
GND 地
注意 / NOTE
FTX-1 Field 头部的 TUNER/LINEAR 端子为 10 针输出端子，用于连接外部自动天调或线性放大器；其端子信号包括 TX GND、+13.8V OUT、GND、TX D (BAND A)、EXT ALC、TX INH、TX REQ、TRST (BAND D)、EXTS (DET)、BAND C、 RX D (BAND B)。该端子的功能由菜单项 [OPERATION SETTING] → [GENERAL] → [TUN/LIN PORT SELECT]（OPTION / BAND DATA / CAT-3 / GPO，默认 OPTION）决定，使用 FC-80 或 SPA-1 等选购天调时应保持 OPTION。 The TUNER/LINEAR terminal on the FTX-1 Field head is a 10-pin output jack for an external automatic antenna tuner or a linear amplifier. Its signals include TX GND, +13.8V OUT, GND, TX D (BAND A), EXT ALC, TX INH, TX REQ, TRST (BAND D), EXTS (DET), BAND C and RX D (BAND B). The function of this terminal is set by menu item [OPERATION SETTING] → [GENERAL] → [TUN/LIN PORT SELECT] (OPTION / BAND DATA / CAT-3 / GPO, default OPTION); keep it at OPTION when using an optional tuner such as the FC-80 or SPA-1.
34-4 Setting Up the Transceiver for the FC-40 · FC-40 的收发信机设置
选购件 FC-40 自动天调可对同轴馈线进行自动调谐，向 The optional FC-40 Automatic Antenna Tuner provides FTX-1 optima 的 ANT 端子呈现标称 50 Ω 阻抗。开始调 automatic tuning of a coaxial line to present nominal 50- 谐之前，必须让 FTX-1 optima 识别到正在使用 FC-40。 ohm impedance to the FTX-1 optima's ANT jack. Before tuning can begin, the FTX-1 optima must be configured to 1. 按住 [FUNC] 旋钮。 recognize that the FC-40 is being used. 2. 选择 [OPERATION SETTING] → [GENERAL] → [TUNER SELECT]。 1. Press and hold the [FUNC] knob. 2. Select [OPERATION SETTING] → [GENERAL] → [TUNER 3. 旋转 [FUNC] 旋钮，或触摸数值两侧的 "<" / ">"，选 SELECT]. 择 "OPTION"。
3. Rotate the [FUNC] knob, or touch "<" or ">" on either 4. 按 [FUNC] 旋钮，或等待约 3 秒，保存设置。 side of the value, to select "OPTION". 5. 选择 [OPERATION SETTING] → [OPTION] → 4. Press the [FUNC] knob, or wait about 3 seconds, to [TUNER TYPE SEL ANT1] 或 [TUNER TYPE SEL save the setting. ANT2]。 5. Select [OPERATION SETTING] → [OPTION] → [TUNER 6. 旋转 [FUNC] 旋钮，或触摸数值两侧的 "<" / ">"，选 TYPE SEL ANT1] or [TUNER TYPE SEL ANT2]. 择 "EXT"。 6. Rotate the [FUNC] knob, or touch "<" or ">" on either 7. 按 [FUNC] 旋钮，或等待约 3 秒，保存设置。 side of the value, to select "EXT". 8. 多次按 [BACK] 键返回正常工作状态。 7. Press the [FUNC] knob, or wait about 3 seconds, to save the setting. 8. Press the [BACK] key several times to return to normal operation.
表 34-4 天调选择相关菜单项 Table 34-4 Tuner selection menu items
菜单项 可选值 默认值 说明 Menu item Available values Default Description
TUNER SELECT OPTION / ATAS OPTION 使用外部天调（FC-80 等）选 OPTION；使用 ATAS-120A 选 ATAS
TUNER TYPE SEL ANT1 INT / INT(FAST) / EXT / ATAS INT ANT1 端子所用天调；用外部天调（FC-40 等）选 EXT
TUNER TYPE SEL ANT2 INT / INT(FAST) / EXT / ATAS INT ANT2 端子所用天调；用外部天调（FC-40 等）选 EXT
TUN/LIN PORT SELECT OPTION / BAND DATA / CAT-3 / OPTION Field 头部 TUNER/LINEAR 端子的功能选择 GPO
INT 表示使用内置天调（此时不能使用外部天调）。 INT selects the internal antenna tuner (an external antenna INT(FAST) 同样表示使用内置天调，调谐速度比正常更 tuner cannot be used). INT(FAST) also selects the internal 快，但精度略有降低（此时不能使用外部天调）。EXT 表 antenna tuner; tuning is performed at a higher speed than 示使用外部天调（选购件 FC-40 等）。ATAS 表示使用有 normal, although accuracy is slightly reduced (an external 源调谐天线系统 ATAS-120A。 antenna tuner cannot be used). EXT selects an external antenna tuner (the optional FC-40, etc.). ATAS selects the active tuning antenna system ATAS-120A.
34-5 FC-40 Tuning Operation · FC-40 调谐操作
根据某些天线的架设方式与安装位置，可能无法调谐到较 Depending on the installation and location of some 低的 SWR。 antennas, it may not be possible to tune to a low SWR. 1. 按住 [FUNC] 旋钮。 1. Press and hold the [FUNC] knob. 2. 触摸 [TUNER]，屏幕上出现 "TUNE" 图标，天调功能 2. Touch [TUNER]. A "TUNE" icon will appear in the 被激活。 display, and the tuner function is activated. 3. 触摸 [ANT TUNE] 开始自动调谐。发射机将投入工 3. Touch [ANT TUNE] to begin automatic tuning. The 作，调谐过程中 "TUNE" 闪烁。 transmitter will be engaged, and "TUNE" will blink while tuning is in progress. 4. 触摸 [TUNE]，把 ATU 从发射链路中旁路掉。
4. Touch [TUNE] to disengage the ATU from the transmit 到达最佳调谐点后，收发信机回到接收状态，"TUNER" 图 line. 标重新稳定点亮（不再闪烁）。 When the optimum tuning point has been reached, the transceiver will return to receive, and the "TUNER" icon will again glow steadily (instead of blinking).
34-6 FC-80 Automatic Antenna Tuner · FC-80 自动天调
FC-80 自动天调响应来自 FTX-1 Field 收发信机的控制指 The FC-80 Automatic Antenna Tuner responds to control 令，在 160 m 至 6 m 业余波段上提供基于微处理器的阻 commands from the FTX-1 Field transceiver, providing 抗匹配。 microprocessor-based impedance matching on the 160 through 6 meter Amateur bands. FC-80 不能连接到 FTX-1 optima 配置。
The FC-80 cannot be connected to the FTX-1 optima 电池与天调 "FC-80"（选购件）可以同时安装，因此在野 configuration. 外操作中也能进行天调调谐。
The battery and antenna tuner "FC-80" (optional) can be installed at the same time, so antenna tuning can be performed even in field operation.
FC-80 与 FTX-1 的互连 Interconnections to the FTX-1
FC-80 是附带垫片的 HF/50MHz 10 W 自动天调，与电池 The FC-80 is an HF/50MHz 10W automatic antenna tuner 组一同安装在 FTX-1 Field 机身内部。由于它由 FTX-1 supplied with a spacer, and is installed inside the FTX-1 Field 直接控制，因此不需要外部控制线或单独的电源线， Field body together with the battery pack. Because it is 只需把天线接到 Field 头部的 ANT (HF/50MHz) 端子即 controlled directly by the FTX-1 Field, no external control 可。 cable or separate power lead is required — only the antenna is connected to the ANT (HF/50MHz) terminal of FC-80 为 FTX-1 Field 在 HF 与 50 MHz 上提供 10 W 级 the Field head. 别的自动调谐能力。
The FC-80 provides up to 10 W class automatic tuning on HF and 50 MHz for the FTX-1 Field.
FC-80 的收发信机设置 Setting Up the Transceiver for the FC-80
开始调谐之前，必须让 FTX-1 Field 识别到正在使用 FC- Before tuning can begin, the FTX-1 Field must be 80。 configured to recognize that the FC-80 is being used. 1. 按住 [FUNC] 旋钮。 1. Press and hold the [FUNC] knob. 2. 选择 [OPERATION SETTING] → [GENERAL] → 2. Select [OPERATION SETTING] → [GENERAL] → [TUNER [TUNER SELECT]。 SELECT]. 3. 旋转 [FUNC] 旋钮，或触摸数值两侧的 "<" / ">"，选 3. Rotate the [FUNC] knob, or touch "<" or ">" on either 择 "OPTION"。 side of the value, to select "OPTION". 4. 按 [FUNC] 旋钮，或等待约 3 秒，保存设置。 4. Press the [FUNC] knob, or wait about 3 seconds, to save the setting. 5. 多次按 [BACK] 键返回正常工作状态。
5. Press the [BACK] key several times to return to normal operation.
FC-80 调谐操作
FC-80 Tuning Operation
根据某些天线的架设方式与安装位置，可能无法调谐到较 Depending on the installation and location of some 低的 SWR。 antennas, it may not be possible to tune to a low SWR. 1. 按住 [FUNC] 旋钮。 1. Press and hold the [FUNC] knob. 2. 触摸 [TUNER]，屏幕上出现 "TUNE" 图标，天调功能 2. Touch [TUNER]. A "TUNE" icon will appear in the 被激活。 display, and the tuner function is activated. 3. 触摸 [ANT TUNE] 开始自动调谐。发射机将投入工 3. Touch [ANT TUNE] to begin automatic tuning. The 作，调谐过程中 "TUNE" 闪烁。 transmitter will be engaged, and "TUNE" will blink while tuning is in progress. 4. 触摸 [TUNE]，把 ATU 从发射链路中旁路掉。
4. Touch [TUNE] to disengage the ATU from the transmit 到达最佳调谐点后，收发信机回到接收状态，"TUNER" 图 line. 标重新稳定点亮（不再闪烁）。 When the optimum tuning point has been reached, the transceiver will return to receive, and the "TUNER" icon will again glow steadily (instead of blinking).
避坑指南 · 外置天调的常见错误 PITFALL
① 机型对不上：FC-40 只能接 FTX-1 optima，FC-80 只能装在 FTX-1 Field，两者都不能交叉使用；买错型号是最高频的失 误。② 菜单没改就调谐：[TUNER SELECT] 没设为 OPTION、或 [TUNER TYPE SEL ANT1/ANT2] 没设为 EXT 时，机器会去 调内置天调（或根本不调），表现出来就是"怎么按 [ANT TUNE] 都没反应"或 SWR 一直很高。改完 EXT 后，内置天调已不能 使用，不要指望两者同时工作。③ 调谐时功率/模式不对：调谐会自动占用发射机，请把功率放在天调要求的范围内，别在大 功率、或 AM/FM 等不适合调谐的模式上强行调谐；FC-40 匹配所需功率低至 4 ~ 60 W，无需开大。④ 频率不在覆盖范围内 就反复调：FC-40/FC-80 覆盖 160 m ~ 6 m，在 144/430 MHz 上按 [ANT TUNE] 是徒劳的。⑤ 线缆接错与接地缺失：控制 线（Control Cable）必须接 TUNER 端子、天线电缆（Antenna Cable）接 ANT 端子，接反不会调谐；FC-40 的 GND 端子 不接大地/地网，长线很难调到低 SWR。⑥ 忘记装铁氧体磁环与防水密封胶带，长期使用易进水和引入共模干扰。⑦ 调谐时 天线附近有人或天线搭到金属物，先处理安全隐患再调。 (1) Wrong model: the FC-40 works only with the FTX-1 optima and the FC-80 only inside the FTX-1 Field — they are not interchangeable, and buying the wrong one is the most common mistake. (2) Tuning before changing the menu: if [TUNER SELECT] is not set to OPTION, or [TUNER TYPE SEL ANT1/ANT2] is not set to EXT, the radio will try to tune the internal tuner (or not tune at all), so pressing [ANT TUNE] appears to do nothing or SWR stays high. Once EXT is selected the internal tuner cannot be used — do not expect both to work. (3) Wrong power or mode while tuning: tuning keys the transmitter automatically, so keep power within the range the tuner requires and do not force tuning at high power or in a mode unsuitable for tuning; the FC-40 needs only 4 to 60 W to match. (4) Repeatedly tuning outside the coverage: FC-40/FC-80 cover 160 m through 6 m, so pressing [ANT TUNE] on 144/430 MHz accomplishes nothing. (5) Wrong cables and missing ground: the control cable goes to the TUNER jack and the antenna cable to the ANT jack — swapping them prevents tuning; without the FC-40 GND terminal bonded to earth or a counterpoise, a long wire is hard to match to low SWR. (6) Do not skip the supplied ferrite core and sealing tape, or you risk moisture ingress and common-mode noise over time. (7) Make sure nobody is near the antenna and that it is not touching metal before you tune.
34-7 Active-Tuning Antenna System (ATAS-120A) · ATAS-120A 有源调谐天线系统
ATAS-120A 是一款多波段自动调谐天线，可用于从业余 ATAS-120A is a multi-band auto-tuning antenna that can HF 波段到 UHF 波段（7/14/21/28(29)/50/144/430 be used in the amateur bands from the HF band to the MHz）。利用有源调谐机构，可由 FTX-1 发出的控制信号 UHF band (7/14/21/28(29)/50/144/430). Using the active 自动完成调谐。 tuning mechanism, tuning can be carried out automatically by the control signal from the FTX-1. FTX-1 Field 仅用锂电池组 SBR-52LI 供电时不能使用 ATAS-120A，必须使用外部 13.8 V 电源。 The ATAS-120A cannot be used when operating on the Li- Ion Battery Pack SBR-52LI power alone for the FTX-1 Field. 用同轴电缆把 ATAS-120A 接到 FTX-1 的 ANT 端子。 An external 13.8V power supply must be used. 要在 ANT 1 与 ANT 2 之间切换，按住 [FUNC] 旋钮 → Connect "ATAS-120A" to the ANT terminal of the FTX-1 触摸 [ANT]。 with a coaxial cable.
To switch between ANT 1 and ANT 2, press and hold the [FUNC] knob → touch [ANT].
设置（仅用 Field 头部时） Setup for Operation with the Field Head Only
1. 按住 [FUNC] 旋钮。 1. Press and hold the [FUNC] knob. 2. 选择 [OPERATION SETTING] → [GENERAL] → 2. Select [OPERATION SETTING] → [GENERAL] → [TUNER [TUNER SELECT]。 SELECT]. 3. 旋转 [FUNC] 旋钮，或触摸数值两侧的 "<" / ">"，选 3. Rotate the [FUNC] knob, or touch "<" or ">" on either 择 "ATAS"。 side of the value, to select "ATAS". 4. 按 [FUNC] 旋钮，或等待约 3 秒，保存设置。 4. Press the [FUNC] knob, or wait about 3 seconds, to save the setting. 5. 多次按 [BACK] 键返回正常工作状态。
5. Press the [BACK] key several times to return to normal 屏幕上会出现 "ATAS" 图标。若把 Field 头部装到 SPA-1 operation. 上并使用 SPA-1 内置天调，请将上述设置改为
The "ATAS" icon will appear in the display. When attaching "OPTION"。 the Field head to the SPA-1 and using the SPA-1's built-in tuner, change the above setting to "OPTION".
设置（使用 FTX-1 optima 时）
Setup for Operation with the FTX-1 optima
1. 按住 [FUNC] 旋钮。 1. Press and hold the [FUNC] knob. 2. 选择 [OPERATION SETTING] → [OPTION] → 2. Select [OPERATION SETTING] → [OPTION] → [TUNER [TUNER TYPE SEL ANT1] 或 [TUNER TYPE SEL TYPE SEL ANT1] or [TUNER TYPE SEL ANT2]. ANT2]。 3. Rotate the [FUNC] knob, or touch "<" or ">" on either 3. 旋转 [FUNC] 旋钮，或触摸数值两侧的 "<" / ">"，选 side of the value, to select "ATAS". 择 "ATAS"。 4. Press the [FUNC] knob, or wait about 3 seconds, to 4. 按 [FUNC] 旋钮，或等待约 3 秒，保存设置。 save the setting. 5. 多次按 [BACK] 键返回正常工作状态。 5. Press the [BACK] key several times to return to normal operation. 屏幕上会出现 "ATAS" 图标。
The "ATAS" icon will appear in the display.
自动调谐与手动调谐 Tuning Operation and Manual Tuning
ATAS-120A 的调谐是自动进行的。首次使用 ATAS- The tuning of the ATAS-120A is carried out automatically. 120A，或在复位 FTX-1 后首次调谐时，即使触摸 [ANT When using the ATAS-120A for the first time, or when TUNE]，在 FTX-1 识别出 ATAS-120A 之前的约 1 分钟内 tuning for the first time after resetting the FTX-1, tuning is 不会执行调谐；识别之后才进行调谐。 not performed for about 1 minute until the FTX-1 recognizes the ATAS-120A, even if [ANT TUNE] is touched. 按 [TUNE] 键开始自动调谐。发射机将投入工作，调谐过 Tuning is performed after recognizing the ATAS-120A. 程中 "ATAS" 图标闪烁。到达最佳调谐点后，收发信机回 到接收状态，"ATAS" 图标重新稳定点亮（不再闪烁）。 Press the [TUNE] key to begin automatic tuning. The transmitter will be engaged, and the "ATAS" icon will blink 手动调谐：按下麦克风的 PTT 开关进入发射，然后按麦克 while tuning is in progress. When the optimum tuning 风上的 UP/DWN 按钮调整天线，直到表头指示最小 point has been reached, the transceiver will return to SWR。屏幕上的表头会自动切换为 SWR 表。 receive, and the "ATAS" icon will again glow steadily (instead of blinking).
Manual tuning: press the PTT switch on the microphone to transmit, and then press the UP/DWN button on the microphone to adjust the antenna until the meter indicates the minimum SWR. The meter on the screen will automatically change to the SWR meter.
技术提示 / TIP
ATAS-120A 首次上电或复位后"按了 [ANT TUNE] 没反应"，通常不是故障：FTX-1 需要约 1 分钟识别天线，识别完成后再按 才会调谐——先等一分钟，再看 "ATAS" 图标是否稳定点亮。用 Field 头部配 SPA-1 时记得把 [TUNER SELECT] 改回 "OPTION"，否则机器会一直等一个并不存在的 ATAS。手动调谐只在发射状态下有效（按住 PTT），并且要看屏幕自动切成 的 SWR 表，而不是别的仪表。 If the ATAS-120A does not respond to [ANT TUNE] right after first power-on or after a reset, this is usually normal: the FTX-1 needs about one minute to recognize the antenna, and tuning starts only afterwards — wait a minute and check whether the "ATAS" icon glows steadily. When using the Field head with the SPA-1, set [TUNER SELECT] back to "OPTION", otherwise the radio keeps waiting for an ATAS that is not there. Manual tuning works only while transmitting (PTT held) and you must read the SWR meter that the display switches to automatically, not some other meter.
34-8 Bluetooth Unit BU-6 · 蓝牙单元 BU-6
FTX-1 通过安装选购件蓝牙单元 "BU-6" 即可具备蓝牙功 The FTX-1 can be equipped with the Bluetooth function by 能。使用选购件蓝牙耳机（SSM-BT20）或市售蓝牙耳 installing the optional Bluetooth unit "BU-6". Hands-free 机，可实现免提操作。 operation is possible using the optional Bluetooth headset (SSM-BT20) or a commercially available Bluetooth headset. BU-6 由 BU-5 与 FTX-1 专用盖板组成。
The BU-6 consists of a BU-5 and a cover exclusively for the 1. 关闭收发信机电源。 FTX-1. 2. 从收发信机上取下蓝牙单元盖板。
1. Turn the transceiver OFF. 3. 在蓝牙单元上贴好双面胶（双面胶随 BU-6 附带）。
2. Remove the Bluetooth unit cover from the transceiver. 4. 将蓝牙单元的连接器与电路板上的连接器对准并安装 3. Apply double-sided tape to the Bluetooth unit. 到位。 Double-sided tape is included with the BU-6. 5. 仔细装好附带的盖板。 4. Align the Bluetooth unit connector with the connector 蓝牙功能的更多细节，请参阅可从 Yaesu 网站下载的 on the board and install. Advanced Manual（高级手册）。 5. Carefully attach the supplied cover.
For additional details on the Bluetooth functions, refer to the Advanced Manual, which may be downloaded from the Yaesu website.
装好 BU-6 后，可将蓝牙耳机与 FTX-1 配对；连接期间 After installing the BU-6, the Bluetooth headset can be FTX-1 屏幕上蓝牙图标点亮，接收音频与操作提示音会从 paired with the FTX-1; while connected, the Bluetooth icon 蓝牙耳机中听到。开启 VOX 功能后，只需说话即可免提 lights up on the FTX-1 screen and the received audio and 发射（参见"VOX 操作"）。VOX 关闭时，按耳机上的"呼 operation beep will be heard from the Bluetooth headset. 叫按钮"进入发射，再按一次回到接收。 With the VOX function turned ON, hands-free transmit is possible just by talking (see "VOX Operation"). With VOX OFF, pressing the "Call button" on the headset engages transmit; press it again to return to receive.
34-9 Side Carry Handle MHG-1 · 侧向提手 MHG-1
侧向提手 MHG-1 用附带的安装螺钉固定在提手两端。 The side carry handle MHG-1 is mounted with the supplied 安装 MHG-1 时请勿使用不合适的螺钉！不合适的螺钉可 mounting screws at both ends of the handle. 能导致内部电路"短路"，造成严重损坏！ Do not use an improper screw for mounting the MHG-1! An improper screw may cause a "short circuit" to the internal circuitry, causing serious damage!
避坑指南 / PITFALL
安装 MHG-1 只能用随附件提供的螺钉。螺钉过长会顶到内部电路板或电池仓造成短路，这类损坏不在保修范围内，且往往一 上电就烧毁。拆装 BU-6、MHG-1 之前务必关机，并记住盖板的原始位置——装回时若盖板压住排线，可能出现蓝牙失灵或 接触不良。 Use only the supplied screws when mounting the MHG-1. A screw that is too long can reach the internal board or the battery compartment and cause a short circuit — such damage is not covered by the warranty and often destroys the radio as soon as power is applied. Always power the transceiver OFF before installing or removing the BU-6 or MHG-1, and note the original position of the cover: if the cover pinches a flex cable when refitted, Bluetooth may fail or make intermittent contact.