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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>介绍</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>什么是业余无线电</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>走进业余无线电</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>法律法规</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>办事指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>概念介绍</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>设备选择</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading open"><span>开始通联</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><section class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading"><span>基本知识</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading open"><span>UV段的各种玩法</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/pages/5dba1c/" class="sidebar-link">A证之前可以玩什么</a></li><li><a href="/pages/4063f9/" class="sidebar-link">基本操作</a></li><li><a href="/pages/450c65/" class="sidebar-link">卫星通联入门</a></li><li><a href="/pages/fe2bc6/" class="sidebar-link">刷机(泉盛K5K6限定)</a></li><li><a href="/pages/aeb68f/" aria-current="page" class="active sidebar-link">DTMF</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header level2"><a href="/pages/aeb68f/#简单来讲" class="sidebar-link">简单来讲</a></li><li class="sidebar-sub-header level2"><a href="/pages/aeb68f/#所以dtmf有什么作用呢" class="sidebar-link">所以DTMF有什么作用呢?</a></li><li class="sidebar-sub-header level2"><a href="/pages/aeb68f/#那么有必要使用吗" class="sidebar-link">那么有必要使用吗?</a></li><li class="sidebar-sub-header level2"><a href="/pages/aeb68f/#泉盛k5-k6的dtmf玩法" class="sidebar-link">泉盛K5/K6的DTMF玩法</a></li></ul></li><li><a href="/pages/41606c/" class="sidebar-link">SSTV</a></li><li><a href="/pages/de2212/" class="sidebar-link">VHF DX</a></li><li><a href="/pages/d4a941/" class="sidebar-link">数字机</a></li><li><a href="/pages/2c33d0/" class="sidebar-link">简易中继</a></li><li><a href="/pages/0fd400/" class="sidebar-link">简易链路</a></li></ul></section></li><li><section class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading"><span>短波段的各种玩法</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading"><span>其他类型无线电</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading"><span>辅助工具</span> <span class="arrow right"></span></p> <!----></section></li></ul></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>活动</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>竞赛</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>奖状</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>团体与组织</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>书籍推荐</span> <span class="arrow right"></span></p> <!----></section></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>百宝箱</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <div><main class="page"><div class="theme-vdoing-wrapper "><div class="articleInfo-wrap" data-v-06225672><div class="articleInfo" data-v-06225672><ul class="breadcrumbs" data-v-06225672><li data-v-06225672><a href="/" title="首页" class="iconfont icon-home router-link-active" data-v-06225672></a></li> <li data-v-06225672><a href="/categories/?category=HamCQ%E6%89%8B%E5%86%8C" title="分类" data-v-06225672>HamCQ手册</a></li><li data-v-06225672><a href="/categories/?category=%E8%B5%B0%E8%BF%9B%E4%B8%9A%E4%BD%99%E6%97%A0%E7%BA%BF%E7%94%B5" title="分类" data-v-06225672>走进业余无线电</a></li><li data-v-06225672><a href="/categories/?category=%E5%BC%80%E5%A7%8B%E9%80%9A%E8%81%94" title="分类" data-v-06225672>开始通联</a></li><li data-v-06225672><a href="/categories/?category=UV%E6%AE%B5%E7%9A%84%E5%90%84%E7%A7%8D%E7%8E%A9%E6%B3%95" title="分类" data-v-06225672>UV段的各种玩法</a></li></ul> <div class="info" data-v-06225672><!----> <div title="创建时间" class="date iconfont icon-riqi" data-v-06225672><a href="javascript:;" data-v-06225672>2024-07-22</a></div> <!----></div></div></div> <!----> <div class="content-wrapper"><div class="right-menu-wrapper"><div class="right-menu-margin"><div class="right-menu-title">目录</div> <div class="right-menu-content"></div></div></div> <h1><!---->DTMF<!----></h1> <!----> <div class="theme-vdoing-content content__default"><blockquote><p>本文编辑:@BG4IJK</p></blockquote> <p>DTMF,即双音多频,由 8 个音调频率中的两个频率组合成的控制信号,代表 16 种状态之一,用于遥控和传输数字等简单字符。</p> <p>如果你认真准备了考试,你应该对这个词语有些印象,但是实际入坑之后,你却发现似乎并没有什么人操作这个东西。那这个东西到底有什么用呢?</p> <p>以下是编者的个人理解(<a href="https://forum.hamcq.cn/d/3367/5" target="_blank" rel="noopener noreferrer">原帖 1<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 与<a href="https://forum.hamcq.cn/d/3367/15" target="_blank" rel="noopener noreferrer">原帖 2<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>):</p> <h2 id="简单来讲"><a href="#简单来讲" class="header-anchor">#</a> 简单来讲</h2> <p>对讲机的 DTMF 是一种信令,可以用一个对讲机给另一个对讲机拨号。</p> <p>举个例子,假如三个支持 DTMF 的对讲机,ID 分别是 123、456 和 789,并且都开启 DTMF 模式(具体操作方式可能不同),你用 123 那台对讲机按住 PTT,再按 456,然后正常通联,456 那台机子收到 456 的声音,就抄收你的信号了,但是 789 那台机器收到的也是 456,不是 789,所以不会抄收你的信号。</p> <p>除了对讲机与对讲机呼叫,还可以考虑更多规则,例如:</p> <ul><li>分组通话:加入组 ID,给 101 组呼叫,组 ID 是 101 的机器都能抄收,而不是这个组 ID 的对讲机都不会接收信号。</li> <li>设备控制:加入一些控制指令,例如使用 DTMF 指令远程遥控中继台,以及对讲机遥晕(让对方对讲机暂时无法使用)、遥毙(让对方对讲机彻底无法使用)</li> <li>信息传输:例如一些 APRS TNC 除了解析普通的 AX.25 数据外,也会内置 DTMF 解码来提供 APRS Touchtone 功能,例如常见的 Direwolf。当地的 APRS 网关如果开启该功能的话,只要电台本身具有 DTMF 键盘,即可手动输入以 DTMF 方式进行编码的呼号、位置和其他信息,并由网关转换为标准 APRS 数据发送至本地 AX.25 网络或者 APRS-IS 中。而其他人回复消息时,网关则会通过文字转语音功能直接在 APRStt 频率中念出回复。</li></ul> <h2 id="所以dtmf有什么作用呢"><a href="#所以dtmf有什么作用呢" class="header-anchor">#</a> 所以 DTMF 有什么作用呢?</h2> <p>业余无线电玩家多为个人玩家、个人行动,即便需要集体行动,也可以通过中继台呼叫和微信群沟通,沟通简单,因此 DTMF 基本上没有用。</p> <p>对于一个大型团队来讲,DTMF 或许能派上用场。例如,一家大型酒店有保安、前台和保洁三伙人,你作为总管,给他们对讲机的 DTMF 相关功能都设置好,你就可以借助 DTMF 来实现不同组别的呼叫,拿同一款对讲机分别呼叫不同的人,你呼叫保安时,保洁们不会听到你的呼叫,反过来也一样。</p> <p>如果你觉得这个场景太简单,你还可以弄的复杂一些,例如团队规模再大些,再加个指挥中心,保安队伍再多一些,再明确规则,总管只与每个保安队长通话,保安队长再与他管理的几个保安通话,等等。</p> <h2 id="那么有必要使用吗"><a href="#那么有必要使用吗" class="header-anchor">#</a> 那么有必要使用吗?</h2> <p>如果是商业使用,知道应当合法使用对讲机,但是想省机器钱和频率占用费,可以考虑支持 DTMF 的模拟对讲机。</p> <p>如果是商业使用,但是不知道或者不打算合法使用,直接用三个不同频道不就行了嘛。机器功能弄复杂了,保安也用不明白啊。</p> <p>如果是商业使用,而且有钱任性,可以直接上数字机,甚至组建 PDT 集群,这样功能更高级。</p> <h2 id="泉盛k5-k6的dtmf玩法"><a href="#泉盛k5-k6的dtmf玩法" class="header-anchor">#</a> 泉盛 K5/K6 的 DTMF 玩法</h2> <p>下面简单介绍如何使用泉盛 K5/K6 的 DTMF 功能,原机固件。如果你已经刷机,或者使用其他对讲机,以下仅供参考。</p> <h3 id="初始化设置"><a href="#初始化设置" class="header-anchor">#</a> 初始化设置</h3> <ul><li>不同对讲机需设置对讲机 ID。在系统菜单中,可以通过 K5 中的 <code>35-ANI-ID</code> 菜单、K6 的 <code>35-本机身份码</code> 菜单查看这个 ID,默认是 102,但是只能在写频软件中修改。</li> <li>开启 DTMF 解码模式,K5 为 <code>43-D-DCD</code> ,K6 为 <code>43-DTMF解码开关</code> 。开启该模式后,对讲机就会只有收到呼叫它的信令之后才会响,其他信号都会忽略掉。</li></ul> <h3 id="呼叫"><a href="#呼叫" class="header-anchor">#</a> 呼叫</h3> <p>先大概介绍下个呼、组呼、全呼的概念:</p> <ul><li>个呼:相当于给某个人打电话。只有电话号对的那个人才会抄收信号,其他人收不到(有信号但是不响)。</li> <li>组呼:相当于给多个人一起打电话。只有电话号对的那群人才会抄收信号,其他人收不到。</li> <li>全呼:和没有数字模式一样,按下 PTT,所有人都会抄收。</li></ul> <p>下面以一个实际案例来介绍如何玩 DTMF:准备两台 K5/K6 对讲机,一个对讲机 ID 设置成 123,另一个设置成 456,DTMF 模式均已开启,并且两机器频率都是 438.100MHz。</p> <ul><li>默认情况:你拿 123 的对讲机说话,或者拿 456 的对讲机说话,对方不会听到声音,因为你没发信令。</li> <li>发起个呼:拿起 123 的对讲机,按一下 <code>*</code> ,输入 <code>456</code> ,按下 PTT 键不松手,听到拨号声播完之后,你直接喊话,456 那台对讲机会收到你的声音。</li> <li>发起组呼:默认设置下,组呼码是 <code>#</code> (去写频软件设置),表示代表任何数字,例如 <code>45#</code> 表示 <code>450</code> ~ <code>459</code> , <code>4##</code> 表示 <code>400</code> ~ <code>499</code> 。有四台对讲机,123、124、456、457。你拿 123 对讲机,按一下 <code>*</code> ,输入 <code>45#</code> 或 <code>4##</code> ,按下 PTT 键不松手,听到拨号声播完之后,你直接喊话,456 和 457 两台对讲机会收到声音,但 124 那台不会。</li> <li>发起全呼:随便拿一个对讲机,按一下 <code>*</code> ,输入 <code>###</code> ,按下 PTT 键不松手,听到拨号声播完之后,你直接喊话,其他对讲机都会收到你的声音。</li></ul> <p>那么如何回复呢?</p> <p>当收到信号的那台对讲机收到声音之后,5 秒以内直接按 PTT 说话,就会直接进行回复。但是 5 秒以后再按 PTT,就不会自动回复了,除非用同样方式把 “拨号” 拨回去。这个超时时间在菜单 <code>40-D-HOLD</code> 或 <code>40-DTMF复位时间</code> 中设置。</p> <p>如果在按 <code>*</code> 以后的输入面板中输入错了,需要稍等几秒钟让它自动复位,然后重新输入。</p> <p>另外也支持手动拨号,具体操作方法是按住 PTT,然后再按数字键。此时需要在输入号码之后加上 <code>*</code> 和本机号码,例如拿着 123 的对讲机:</p> <ul><li>个呼 456: <code>456*123</code></li> <li>组呼 45#、4##: <code>45#*123</code> 、 <code>4##*123</code></li> <li>全呼: <code>###*123</code></li></ul> <p>由于手动拨号对手速和节奏要求很高,还是用 <code>*</code> 号键输入数字再按 PTT 比较好。</p></div></div> <!----> <div class="page-edit"><!----> <!----> <!----></div> <div class="page-nav-wapper"><!----> <!----></div></div> <!----></main></div> <div class="footer"><div class="icons"><a href="mailto:contact@hamcq.cn" title="联系我们" target="_blank" class="iconfont icon-youjian"></a><a href="https://github.com/HamCQ/Handbook" title="Github" target="_blank" class="iconfont icon-github"></a><a href="https://www.zhihu.com/column/c_1327659699995885568" title="知乎" target="_blank" class="iconfont 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