Eventide BD600+ handleiding

Handleiding

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Appendix B BD600E+ Extended Remote Control

Page 40 Appendix B Extended Remote Control BD600+ Profanity Delay

Document Version 2.3

Serial input and output

The BD600E+ can delay a single RS232 channel by the same amount of time as the audio delay. This

allows control signals or time indication to be synchronized with the output audio. The baud rate, num-

ber of bits and parity may be configured. The number of stop bits sent is fixed at two. Typically the

source signal will be connected to the RS232 delayed input, a 9 pin female PC type connector, and the

delayed RS232 will be supplied by the corresponding 9 pin male connector. A LED indicator on the

back panel indicates activity – it is lit when the delay contains RS232 data.

The serial delay has a capacity of over 80000 characters. This means that it can handle continuous

transmission at 9600 baud with the full 80 seconds of delay, but can be overwhelmed at higher rates.

Typically this feature will not be used with high bandwidth data as normal time or control signals in-

volve only a few characters per second.

To be sure that the delay is not overfilled, the serial data should be limited to 1000 characters per sec-

ond at the 80 second full delay, and proportionally more at lower maximum delay values. The unit can

accept full speed transmissions at any of its supported baud rates – the limit described is the maximum

number of stored characters at any given time.

Note that neither the RS232 handshake signals are not delayed, nor any returned data (negative delay is

difficult, even for Eventide).

One possible source of confusion is that during a Wait for Safe operation no data will emerge from the

delay. This is normal and correct - during this operation the delay setting is increasing at the rate of one

second per second – meaning that no data can reach the end of the delay before the delay time is in-

creased. Once the Wait for Safe operation has finished, the data in the delay will appear.

After V1.4, the serial delay will be set to zero when the unit is bypassed. Any data that is in the delay

will be immediately output when the unit enters bypass – it will not be lost.

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