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Dataton WATCHOUT User's Guide

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Code Name Description<br />

D* Acknowledged but ignored, second character may be any character.<br />

A* Acknowledged but ignored, second character may be any character.<br />

F* Acknowledged but ignored, second character may be any character.<br />

Play<br />

Set Speed<br />

Multi-speed Play<br />

If the Play command is used on its own, the response code is sent immediately.<br />

If using the optional target parameter of the Play command, the response is<br />

sent when the target is reached. If preceded by the Stop Marker command, the<br />

response to the Play command is sent immediately, and no additional response<br />

is sent upon reaching the target frame set by the Stop Marker command.<br />

Sets the speed for subsequent multi-speed play commands (MF and MR, see<br />

below). The speed is calculated as “speed = nnn/50”, where nnn is the parameter<br />

to the Set Speed command.<br />

Eg, to play forward at twice normal speed, give this command:<br />

100SPMF<br />

Using the Multi-speed Play Forward and Multi-speed Play Reverse commands,<br />

you can play at other speeds than normal, using the speed set by the Set Speed<br />

command, as described above.<br />

▼ IMPORTANT: Although this command allows you to play at other speeds<br />

than normal, <strong>WATCHOUT</strong> playback will only be smooth when using the<br />

normal playback speed. Other speeds are simulated by causing the timeline<br />

to jump repeatedly.<br />

146 Appendix A: Serial Protocol

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