Guralp-systems CMG-3ESPCD Manual de usuario descargar pdf (Pagina 59)

CMG-3ESPCD Digital Broadband Seismometer Using Scream!

Instructs the digitiser to transmit any continuous streams directly to clients as

for DIRECT mode, but to store triggered data into Flash storage as for FILING

mode. If you choose DUAL mode but do not select any continuous streams

for output, the instrument will send heartbeat messages as for FILING mode.

Scream! can pick these up and download new data as necessary.

5.2.5.7 RE-USE / RECYCLE

Syntax: RE-USE

Instructs the digitiser to carry on using the current filing technique when the

Flash memory becomes full, overwriting the oldest data held. This buffering

mode is called RECYCLE in Scream!. For example, in DUAL mode with

RECYCLE buffering, the latest continuous data will be transmitted to you as

normal, and the latest triggered data may be retrieved from the Flash memory

using Scream! or the command line. However, if you do not download data

regularly from the Flash memory, you may lose older blocks. This mode thus

lets you define the end point of the data held by the instrument.

5.2.5.8 WRITE-ONCE

Syntax: WRITE-ONCE

Instructs the digitiser to stop writing data to the Flash memory when it is full,

and to switch to DIRECT mode automatically. For example, in FIFO mode

with WRITE-ONCE buffering, the station will transmit data to you

continuously, but also save it in the Flash memory until it is full. Once full,

the instrument will switch to DIRECT mode and continue transmitting,

though no further data will be saved. This mode thus lets you define the start

point of the data held by the instrument.

MAN-C3E-0002 59 Issue B - November 2013

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Guralp-systems CMG-3ESPCD Manual de usuario Pagina 59