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Specifications
Explanation of Header File
DATASET :
VERSION :
SERIES :
DATE :
TIME :
RATE :
VERT_UNITS :
HORZ_UNITS :
COMMENT :
NUM_SERIES :
STORAGE_MODE :
FILE_TYPE :
SLOPE :
X_OFFSET :
Y_OFFSET :
NUM_SAMPS :
DATA :
DEVICE :
CH1_ :
CH_SLOT :
CLOCK :
RATE_MULTI
MARK :
GX-1_VOICE_MEMO: Indicates the recording mode for voice memo. This is an example of MIX
Converting Data to Physical Value
An A-to-D converted value is an integer ranging from –32768 to +32767 and is ±25000 when the input is
±100% of the selected input range. The input physical value is figured out by the following formula:
The value in the data file × The value of SLOPE in the header file + The value of Y_OFFSET in the header file
• The Y_OFFSET values are zero except when the thermocouple input amplifiers AR-GXTCK/J are used.
4-10
The file name.
Data version number (Fixed at 1).
Number of channel used for recording. Channel names follow the under
bars. "MEMO" is appended when voice memo is recorded in the MIX mode.
Date when recording started. (mm-dd-yyyy)
Time when recording started. (hh:mm:ss)
Sampling frequency (Unit: Hz). This is 1 for external sampling.
Units for each channel.
"V" is appended when voice memo is recorded in the MIX mode.
Units for time axis (Fixed at Sec).
Comment entered in the New submenu.
Number of recording channels.
One channel is added when voice memo is recorded in the MIX mode.
Order of stored data. Fixed at INTERLACED because data is stored in the
order of sampling.
Fixed at INTEGER because data is a two-byte integer.
Coefficient for physical-value conversion.
"0.00004000" is appended when voice memo is recorded in the MIX mode.
Position of the first data on the time axis. Normally 0. In trigger recording,
the specified time is written here in unit of second even when it is specified
in terms of "scans". (Decimals are omitted.) A minus sign precedes the
value in pretrigger mode, and a plus sign in posttrigger mode.
Offset for physical-value conversion.
"0.0" is appended when voice memo is recorded in the MIX mode.
Number of sampled data per channel.
Indicates that the following information is unique to this device and is differ-
ent from the DADiSP format.
Fixed at GX-1.
Channel number, type of amplifier, range setting, and filter setting follow the
under bar.
Number of channels per each slot.
"1" is appended when voice memo is recorded in the MIX mode.
Source of sampling clock
This item is written when multi-sampling is performed. The values indicates
the sampling frequencies of each slot. The example on the previous page
shows the sampling frequencies for ch 3/4, ch 9/10, and voice memo.
Number of scans at the moment an event mark is attached.
mode. In BEFORE mode, "WAV_FORM 16BITS 8KHZ BEFORE TRIG-
GER" is written here, and in AFTER mode, "WAV_FORM 16BITS 8KHZ
AFTER TRIGGER."
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