NQDH: NCD Scope Settings Record

				Titles: NQDH NCD Scope Settings Record
                                ======================================
				
Contact: Mark Howe / Jan Wouters / Adam Cox

Version 1 verified on 10-29-04 by LCS and KRR

Revision History:-
================
		2003-02-11 (jmw) - Original
		2003-11-19 (gac) - Renamed words to NQDH_*, added
						NQDH_VERS, NQDH_SAMPLE_RATE, NQDH_TPOSITION,
						NQDH_NUM_CHAN, NQDH_REC_SIZE, NQDH_REC,
						and did some other renaming of words.
		2004-05-08 (jmw) - Added word 0 - number of scope records which follow.

Titles Files
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Verification
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Description
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Bank Number: Version 1

Written out at the beginning of a run by SHaRC.  Contains the scope
settings such as horizontal scale, channel scales, etc. for one
oscilloscope.

Data Words
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	Fixed length Database Header. See titles_dbhdr.html

    Data types: B(bit), I, F, D(double), H(hollerith 4 char)

Word		Type		Mnemonic		Description
1               I               NQDH_NUM_OS             Number of oscilloscope records that follow.
2		I		NQDH_VERS		NQDH bank version number
3		I		NQDH_OS_MODEL		Oscilloscope model number (typically 754)
4		I		NQDH_OS_VERS		Oscilloscope Version (typically A, as in 754A, or D for 754D)
5		F		NQDH_XPOS		Horizontal pos.
6		F		NQDH_XSCALE		Horizontal scale Seconds / div.
7		F		NQDH_SAMPLE_RATE	Sampling Rate (typically 1 GS/sec)
8		F		NQDH_TLEVEL		Trigger level in V.
9		I		NQDH_LENGTH		Horizontal record length.
10		I		NQDH_OS_NUM		Scope identification (0 or 1) (redundant to Bank number).
11		I		NQDH_TCOUP		Trigger coupling (AC = 1, 
								DC = 2, HFRej = 3, 
								LFRej = 4, NOISERej = 5 )
12		I		NQDH_TMODE		Trigger mode (Auto = 1, 
								Normal = 2, Single = 3)
13		I		NQDH_TPOL		Trigger polarity (0 = neg, 
								1 = pos)
14		I		NQDH_TSOURCE		Trigger source (Ext = 1, 
								Line = 2, CH1 = 3, CH2 = 4,
								CH3 = 5, CH4 = 6)
15		F		NQDH_TPOSITION		Trigger position (in percentage of trace width)
16..18	        I		                        Spare
19		I		NQDH_NUM_CHAN		Number of scope channels (=4)
20		I		NQDH_REC_SIZE		Size of the following repeated block
21		I		NQDH_REC		Starting address of repeated block

				i = NQDH_REC + (n-1)*NQHD_REC_SIZE Start (n = 1 to NQDH_NUM_CHAN)

i+0		F		NQDH_YPOS		Vertical Channel position (volts).
i+1		F		NQDH_YSCALE		Vertical Channel scale in volts / div.
i+2		I		NQDH_ACQ		Channel on (1 = true, 0 = false)
i+3             I               NQDH_COUPLING           Channel coupling (AC = 0, DC = 1,
                                                                GND = 2, DC50 = 3)  

                  Words 1 to i+3 of final channel repeat for each scope (NQDH_NUM_OS)