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Operating Instructions Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments 84
6.7.2.7. Number of Records
The number of data records in the GFC 7000TA is limited to about a cumulative one million data points in
all channels (one megabyte of space on the disk-on-chip). However, the actual number of records is also
limited by the total number of parameters and channels and other settings in the DAS configuration.
Every additional data channel, parameter, number of samples setting etc. and will reduce the maximum
amount of data points somewhat. In general, however, the maximum data capacity is divided amongst all
channels (max: 20) and parameters (max: 50 per channel).
The DAS will check the amount of available data space and prevent the user from specifying too many
records at any given point. If, for example, the DAS memory space can accommodate 375 more data
records, the ENTR key will disappear when trying to specify more than that number of records. This
check for memory space may also make an upload of an DAS configuration with APICOM or a Terminal
program fail, if the combined number of records would be exceeded. In this case, it is suggested to either
try from the front panel what the maximum number of records can be or use trial-and-error in designing
the DAS script or calculate the number of records using the DAS or APICOM manuals. To set the
number of records for one channel from the front panel, press SETUP-DAS-EDIT-ENTR and the following
touchscreen button sequence.
Edit Data Channel Menu
SETUP X.X 0) CONC: ATIMER, 1 2, 900
PREV NEXT INS DEL EDIT PRNT EXIT
Exits to the main
Data Acquisition
menu
SETUP X.X NAME:CONC
<SET SET> EDIT PRINT EXIT
SETUP X.X NUMBER OF RECORDS:000
<SET SET> EDIT PRINT EXIT
SETUP X.X REPORT PERIODD:DAYS:
0
0 0 0 0 0 ENTR EXIT
ENT
R
accepts the new
setting and returns to the
previous menu.
EXIT ignores the new setting
and returns to the previous
menu.
Toggle buttons to set
number of records
(1-99999)
SETUP X.X EDIT RECOPRDS (DELET DATA)
YES NO
NO returns to the
previous menu.
YES will delete all data
in this channel.
Press SET> key until…
From the DATA ACQUISITION menu
(see Section 6.12.2.2)