82 lines
2.5 KiB
HTML
82 lines
2.5 KiB
HTML
|
|
<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
|
|
|
|
<meta name="generator" content="Adobe RoboHelp 9">
|
|
<title>Third-party Control Troubleshooting</title>
|
|
<link rel="StyleSheet" href="HtmlHelp.css" type="text/css">
|
|
|
|
<style title="hcp" type="text/css">
|
|
<!--
|
|
td.hcp1 { vertical-align:TOP;
|
|
padding-left:1px;
|
|
padding-top:1px;
|
|
padding-right:1px;
|
|
padding-bottom:1px; }
|
|
td.hcp2 { vertical-align:middle;
|
|
padding-left:1px;
|
|
padding-top:1px;
|
|
padding-right:1px;
|
|
padding-bottom:1px; }
|
|
p.hcp3 { text-align:center; }
|
|
td.hcp4 { vertical-align:TOP;
|
|
padding:1px 8px;
|
|
padding-left:1px;
|
|
padding-top:1px;
|
|
padding-right:1px;
|
|
padding-bottom:1px; }
|
|
-->
|
|
</style>
|
|
</head>
|
|
|
|
<body class="ns-0 ltr">
|
|
<div id="globalWrapper">
|
|
<div id="column-content">
|
|
<div id="content">
|
|
<p><a name="top" id="top"></a></p>
|
|
<h1 class="firstHeading">Third-party Control Troubleshooting</h1>
|
|
<div id="bodyContent">
|
|
<table cellspacing="1" width="93%" align="center">
|
|
<tr>
|
|
<td class="hcp1"> </td>
|
|
<td class="hcp1"> </td>
|
|
</tr>
|
|
<tr>
|
|
<td bgcolor="#E0E0E0" class="hcp2"><p class="hcp3">Problem</p></td>
|
|
<td bgcolor="#E0E0E0" class="hcp2"><p class="hcp3">Solution</p></td>
|
|
</tr>
|
|
<tr>
|
|
<td class="hcp4"><p>Soundweb London devices
|
|
are sending updates once a second, regardless
|
|
of the subscription rate. Messages continue even
|
|
after unsubscribing.</p></td>
|
|
<td class="hcp4"><p>The device is waiting
|
|
for an <b>ACK</b> or <b>NAK</b> character in response
|
|
to messages.</p>
|
|
<p>Option 1: Set the "Acknowledge (ACK)"
|
|
property of the device in question to No. See
|
|
the Serial/RS-232 entry in the <a href="Third-party Control Protocol.html">Third-party
|
|
Control Protocol</a> section of the help for more
|
|
information.</p>
|
|
<p>Option 2: Respond to each message from the device
|
|
with <b>ACK</b> for valid messages and <b>NAK</b>
|
|
for invalid messages (i.e. messages whose checksum
|
|
failed).</p>
|
|
<p>This does not apply to TCP/IP control connections,
|
|
as they do not use the <b>ACK</b>/<b>NAK</b> mechanism.</p></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2" height="2" bgcolor="#E0E0E0" class="hcp2"> </td>
|
|
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<p><!-- Served by hproukweb01.hprouk.ad.harman.com in 0.45 secs. --></p>
|
|
</body>
|
|
</html>
|