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Serial Port Setup

Baud: 2400
Bits: 8
Parity: None

New Spectrometer Command Set

Command Echo Comment
!N000N000Noise source off (reset default)
!N001N001Noise source on
!R001R001Backend reset (noise off,spec mode)(IF set to 10.0 DB)(pll to 46.6 MHZ)
!A0xxA0xxSet IF gain (xx is hex value from 0 to 3F max. 00=10.0DB each count=.25DB increase. 3F=25.75 DB gain)
!FxxxFxxxSet PLL frequency. (xxx range 078H min 398H max. each count=5Khz increase in pll frequency.) 078H=46.6 Mhz. (-2.0 Mhz) 208H=48.6 Mhz. (hydrogen rest) 398H=50.6 Mhz. (+2.0 Mhz)
!D000DXXXXXXCont. mode data point. The left most x after the D is the over range bit. 1= a/d converter saturated. 0=valid range. Next 5 digits are 20 bit Hex value. 00000=0 volts FFFFF=4.9999 volts.
!D001DXXXXXXSpec. mode data point. (same format as above)

Further notes: Baud=2400, 8 bit data, no parity PLL frequency data = (Desired L.O. Freq. in Mhz. - 46.0)/.005 (This gives pll value in decimal.) Example: 48.6Mhz (hydrogen rest )-46.0 /.005 =520 decimal or 208H Hardware has 100 MS pause after receipt of a reset command. FIXED HARDWARE INTEGRATION OF .47 SECONDS.

Gain Commands (Prefix Hex with !)

Hex dB Hex dB Hex dB
A00010.00A01816.00A03022.00
A00110.25A01916.25A03122.25
A00210.50A01A16.50A03222.50
A00310.75A01B16.75A03322.75
A00411.00A01C17.00A03423.00
A00511.25A01D17.25A03523.25
A00611.50A01E17.50A03623.50
A00711.75A01F17.75A03723.75
A00812.00A02018.00A03824.00
A00912.25A02118.25A03924.25
A00A12.50A02218.50A03A24.50
A00B12.75A02318.75A03B24.75
A00C13.00A02419.00A03C25.00
A00D13.25A02519.25A03D25.25
A00E13.50A02619.50A03E25.50
A00F13.75A02719.75A03F25.75
A01014.00A02820.00--
A01114.25A02920.25--
A01214.50A02A20.50--
A01314.75A02B20.75--
A01415.00A02C21.00--
A01515.25A02D21.25--
A01615.50A02E21.50--
A01715.75A02F21.75--

Frequency Commands (Prefix Hex with !)

Dec PLL (MHz) Hex Freq (MHz)
12046.6000781418.405
12146.6050791418.410
12246.61007A1418.415
12346.61507B1418.420
12446.62007C1418.425
12546.62507D1418.430
12646.63007E1418.435
12746.63507F1418.440
12846.6400801418.445
12946.6450811418.450
13046.6500821418.455
13146.6550831418.460
13246.6600841418.465
13346.6650851418.470
13446.6700861418.475
13546.6750871418.480
13646.6800881418.485
13746.6850891418.490
13846.69008A1418.495
13946.69508B1418.500
14046.70008C1418.505
14146.70508D1418.510
14246.71008E1418.515
14346.71508F1418.520
14446.7200901418.525
14546.7250911418.530
14646.7300921418.535
14746.7350931418.540
14846.7400941418.545
14946.7450951418.550
15046.7500961418.555
15146.7550971418.560
15246.7600981418.565
15346.7650991418.570
15446.77009A1418.575
15546.77509B1418.580
15646.78009C1418.585
15746.78509D1418.590
15846.79009E1418.595
15946.79509F1418.600
16046.8000A01418.605
16146.8050A11418.610
16246.8100A21418.615
16346.8150A31418.620
16446.8200A41418.625
16546.8250A51418.630
16646.8300A61418.635
16746.8350A71418.640
16846.8400A81418.645
16946.8450A91418.650
17046.8500AA1418.655
17146.8550AB1418.660
17246.8600AC1418.665
17346.8650AD1418.670
17446.8700AE1418.675
17546.8750AF1418.680
17646.8800B01418.685
17746.8850B11418.690
17846.8900B21418.695
17946.8950B31418.700
18046.9000B41418.705
18146.9050B51418.710
18246.9100B61418.715
18346.9150B71418.720
18446.9200B81418.725
18546.9250B91418.730
18646.9300BA1418.735
18746.9350BB1418.740
18846.9400BC1418.745
18946.9450BD1418.750
19046.9500BE1418.755
19146.9550BF1418.760
19246.9600C01418.765
19346.9650C11418.770
19446.9700C21418.775
19546.9750C31418.780
19646.9800C41418.785
19746.9850C51418.790
19846.9900C61418.795
19946.9950C71418.800
20047.0000C81418.805
20147.0050C91418.810
20247.0100CA1418.815
20347.0150CB1418.820
20447.0200CC1418.825
20547.0250CD1418.830
20647.0300CE1418.835
20747.0350CF1418.840
20847.0400D01418.845
20947.0450D11418.850
21047.0500D21418.855
21147.0550D31418.860
21247.0600D41418.865
21347.0650D51418.870
21447.0700D61418.875
21547.0750D71418.880
21647.0800D81418.885
21747.0850D91418.890
21847.0900DA1418.895
21947.0950DB1418.900
22047.1000DC1418.905
22147.1050DD1418.910
22247.1100DE1418.915
22347.1150DF1418.920
22447.1200E01418.925
22547.1250E11418.930
22647.1300E21418.935
22747.1350E31418.940
22847.1400E41418.945
22947.1450E51418.950
23047.1500E61418.955
23147.1550E71418.960
23247.1600E81418.965
23347.1650E91418.970
23447.1700EA1418.975
23547.1750EB1418.980
23647.1800EC1418.985
23747.1850ED1418.990
23847.1900EE1418.995
23947.1950EF1419.000
24047.2000F01419.005
24147.2050F11419.010
24247.2100F21419.015
24347.2150F31419.020
24447.2200F41419.025
24547.2250F51419.030
24647.2300F61419.035
24747.2350F71419.040
24847.2400F81419.045
24947.2450F91419.050
25047.2500FA1419.055
25147.2550FB1419.060
25247.2600FC1419.065
25347.2650FD1419.070
25447.2700FE1419.075
25547.2750FF1419.080
25647.2801001419.085
25747.2851011419.090
25847.2901021419.095
25947.2951031419.100
26047.3001041419.105
26147.3051051419.110
26247.3101061419.115
26347.3151071419.120
26447.3201081419.125
26547.3251091419.130
26647.33010A1419.135
26747.33510B1419.140
26847.34010C1419.145
26947.34510D1419.150
27047.35010E1419.155
27147.35510F1419.160
27247.3601101419.165
27347.3651111419.170
27447.3701121419.175
27547.3751131419.180
27647.3801141419.185
27747.3851151419.190
27847.3901161419.195
27947.3951171419.200
28047.4001181419.205
28147.4051191419.210
28247.41011A1419.215
28347.41511B1419.220
28447.42011C1419.225
28547.42511D1419.230
28647.43011E1419.235
28747.43511F1419.240
28847.4401201419.245
28947.4451211419.250
29047.4501221419.255
29147.4551231419.260
29247.4601241419.265
29347.4651251419.270
29447.4701261419.275
29547.4751271419.280
29647.4801281419.285
29747.4851291419.290
29847.49012A1419.295
29947.49512B1419.300
30047.50012C1419.305
30147.50512D1419.310
30247.51012E1419.315
30347.51512F1419.320
30447.5201301419.325
30547.5251311419.330
30647.5301321419.335
30747.5351331419.340
30847.5401341419.345
30947.5451351419.350
31047.5501361419.355
31147.5551371419.360
31247.5601381419.365
31347.5651391419.370
31447.57013A1419.375
31547.57513B1419.380
31647.58013C1419.385
31747.58513D1419.390
31847.59013E1419.395
31947.59513F1419.400
32047.6001401419.405
32147.6051411419.410
32247.6101421419.415
32347.6151431419.420
32447.6201441419.425
32547.6251451419.430
32647.6301461419.435
32747.6351471419.440
32847.6401481419.445
32947.6451491419.450
33047.65014A1419.455
33147.65514B1419.460
33247.66014C1419.465
33347.66514D1419.470
33447.67014E1419.475
33547.67514F1419.480
33647.6801501419.485
33747.6851511419.490
33847.6901521419.495
33947.6951531419.500
34047.7001541419.505
34147.7051551419.510
34247.7101561419.515
34347.7151571419.520
34447.7201581419.525
34547.7251591419.530
34647.73015A1419.535
34747.73515B1419.540
34847.74015C1419.545
34947.74515D1419.550
35047.75015E1419.555
35147.75515F1419.560
35247.7601601419.565
35347.7651611419.570
35447.7701621419.575
35547.7751631419.580
35647.7801641419.585
35747.7851651419.590
35847.7901661419.595
35947.7951671419.600
36047.8001681419.605
36147.8051691419.610
36247.81016A1419.615
36347.81516B1419.620
36447.82016C1419.625
36547.82516D1419.630
36647.83016E1419.635
36747.83516F1419.640
36847.8401701419.645
36947.8451711419.650
37047.8501721419.655
37147.8551731419.660
37247.8601741419.665
37347.8651751419.670
37447.8701761419.675
37547.8751771419.680
37647.8801781419.685
37747.8851791419.690
37847.89017A1419.695
37947.89517B1419.700
38047.90017C1419.705
38147.90517D1419.710
38247.91017E1419.715
38347.91517F1419.720
38447.9201801419.725
38547.9251811419.730
38647.9301821419.735
38747.9351831419.740
38847.9401841419.745
38947.9451851419.750
39047.9501861419.755
39147.9551871419.760
39247.9601881419.765
39347.9651891419.770
39447.97018A1419.775
39547.97518B1419.780
39647.98018C1419.785
39747.98518D1419.790
39847.99018E1419.795
39947.99518F1419.800
40048.0001901419.805
40148.0051911419.810
40248.0101921419.815
40348.0151931419.820
40448.0201941419.825
40548.0251951419.830
40648.0301961419.835
40748.0351971419.840
40848.0401981419.845
40948.0451991419.850
41048.05019A1419.855
41148.05519B1419.860
41248.06019C1419.865
41348.06519D1419.870
41448.07019E1419.875
41548.07519F1419.880
41648.0801A01419.885
41748.0851A11419.890
41848.0901A21419.895
41948.0951A31419.900
42048.1051A41419.905
42148.1101A51419.910
42248.1151A61419.915
42348.1201A71419.920
42448.1251A81419.925
42548.1301A91419.930
42648.1351AA1419.935
42748.1401AB1419.940
42848.1451AC1419.945
42948.1501AD1419.950
43048.1551AE1419.955
43148.1601AF1419.960
43248.1651B01419.965
43348.1701B11419.970
43448.1751B21419.975
43548.1801B31419.980
43648.1851B41419.985
43748.1901B51419.990
43848.1951B61419.995
43948.2001B71420.000
44048.2051B81420.005
44148.2101B91420.010
44248.2151BA1420.015
44348.2201BB1420.020
44448.2251BC1420.025
44548.2301BD1420.030
44648.2351BE1420.035
44748.2401BF1420.040
44848.2451C01420.045
44948.2501C11420.050
45048.2551C21420.055
45148.2601C31420.060
45248.2651C41420.065
45348.2701C51420.071
45448.2751C61420.075
45548.2801C71420.080
45648.2851C81420.085
45748.2901C91420.090
45848.2951CA1420.095
45948.3001CB1420.100
46048.3051CC1420.105
46148.3101CD1420.110
46248.3151CE1420.115
46348.3201CF1420.120
46448.3251D01420.125
46548.3301D11420.130
46648.3351D21420.135
46748.3401D31420.140
46848.3451D41420.145
46948.3501D51420.150
47048.3551D61420.155
47148.3601D71420.160
47248.3651D81420.165
47348.3701D91420.170
47448.3751DA1420.175
47548.3801DB1420.180
47648.3851DC1420.185
47748.3901DD1420.190
47848.3951DE1420.195
47948.4001DF1420.200
48048.4051E01420.205
48148.4101E11420.210
48248.4151E21420.215
48348.4201E31420.220
48448.4251E41420.225
48548.4301E51420.230
48648.4351E61420.235
48748.4401E71420.240
48848.4451E81420.245
48948.4501E91420.250
49048.4551EA1420.255
49148.4601EB1420.260
49248.4651EC1420.265
49348.4701ED1420.270
49448.4751EE1420.275
49548.4801EF1420.280
49648.4851F01420.285
49748.4901F11420.290
49848.4951F21420.295
49948.5001F31420.300
50048.5051F41420.305
50148.5101F51420.310
50248.5151F61420.315
50348.5201F71420.320
50448.5251F81420.325
50548.5301F91420.330
50648.5351FA1420.335
50748.5401FB1420.340
50848.5451FC1420.345
50948.5501FD1420.350
51048.5551FE1420.355
51148.5601FF1420.360
51248.5652001420.365
51348.5702011420.370
51448.5752021420.375
51548.5802031420.380
51648.5852041420.385
51748.5902051420.390
51848.5952061420.395
51948.6002071420.400
52048.6052081420.405
52148.6102091420.410
52248.61520A1420.415
52348.62020B1420.420
52448.62520C1420.425
52548.63020D1420.430
52648.63520E1420.435
52748.64020F1420.440
52848.6452101420.445
52948.6502111420.450
53048.6552121420.455
53148.6602131420.460
53248.6652141420.465
53348.6702151420.470
53448.6752161420.475
53548.6802171420.480
53648.6852181420.485
53748.6902191420.490
53848.69521A1420.495
53948.70021B1420.500
54048.70521C1420.505
54148.71021D1420.510
54248.71521E1420.515
54348.72021F1420.520
54448.7252201420.525
54548.7302211420.530
54648.7352221420.535
54748.7402231420.540
54848.7452241420.545
54948.7502251420.550
55048.7552261420.555
55148.7602271420.560
55248.7652281420.565
55348.7702291420.570
55448.77522A1420.575
55548.78022B1420.580
55648.78522C1420.585
55748.79022D1420.590
55848.79522E1420.595
55948.80022F1420.600
56048.8052301420.605
56148.8102311420.610
56248.8152321420.615
56348.8202331420.620
56448.8252341420.625
56548.8302351420.630
56648.8352361420.635
56748.8402371420.640
56848.8452381420.645
56948.8502391420.650
57048.85523A1420.655
57148.86023B1420.660
57248.86523C1420.665
57348.87023D1420.670
57448.87523E1420.675
57548.88023F1420.680
57648.8852401420.685
57748.8902411420.690
57848.8952421420.695
57948.9002431420.700
58048.9052441420.705
58148.9102451420.710
58248.9152461420.715
58348.9202471420.720
58448.9252481420.725
58548.9302491420.730
58648.93524A1420.735
58748.94024B1420.740
58848.94524C1420.745
58948.95024D1420.750
59048.95524E1420.755
59148.96024F1420.760
59248.9652501420.765
59348.9702511420.770
59448.9752521420.775
59548.9802531420.780
59648.9852541420.785
59748.9902551420.790
59848.9952561420.795
59949.0002571420.800
60049.0052581420.805
60149.0102591420.810
60249.01525A1420.815
60349.02025B1420.820
60449.02525C1420.825
60549.03025D1420.830
60649.03525E1420.835
60749.04025F1420.840
60849.0452601420.845
60949.0502611420.850
61049.0552621420.855
61149.0602631420.860
61249.0652641420.865
61349.0702651420.870
61449.0752661420.875
61549.0802671420.880
61649.0852681420.885
61749.0902691420.890
61849.09526A1420.895
61949.10026B1420.900
62049.10526C1420.905
62149.11026D1420.910
62249.11526E1420.915
62349.12026F1420.920
62449.1252701420.925
62549.1302711420.930
62649.1352721420.935
62749.1402731420.940
62849.1452741420.945
62949.1502751420.950
63049.1552761420.955
63149.1602771420.960
63249.1652781420.965
63349.1702791420.970
63449.17527A1420.975
63549.18027B1420.980
63649.18527C1420.985
63749.19027D1420.990
63849.19527E1420.995
63949.20027F1421.000
64049.2052801421.005
64149.2102811421.010
64249.2152821421.015
64349.2202831421.020
64449.2252841421.025
64549.2302851421.030
64649.2352861421.035
64749.2402871421.040
64849.2452881421.045
64949.2502891421.050
65049.25528A1421.055
65149.26028B1421.060
65249.26528C1421.065
65349.27028D1421.070
65449.27528E1421.075
65549.28028F1421.080
65649.2852901421.085
65749.2902911421.090
65849.2952921421.095
65949.3002931421.100
66049.3052941421.105
66149.3102951421.110
66249.3152961421.115
66349.3202971421.120
66449.3252981421.125
66549.3302991421.130
66649.33529A1421.135
66749.34029B1421.140
66849.34529C1421.145
66949.35029D1421.150
67049.35529E1421.155
67149.36029F1421.160
67249.3652A01421.165
67349.3702A11421.170
67449.3752A21421.175
67549.3802A31421.180
67649.3852A41421.185
67749.3902A51421.190
67849.3952A61421.195
67949.4002A71421.200
68049.4052A81421.205
68149.4102A91421.210
68249.4152AA1421.215
68349.4202AB1421.220
68449.4252AC1421.225
68549.4302AD1421.230
68649.4352AE1421.235
68749.4402AF1421.240
68849.4452B01421.245
68949.4502B11421.250
69049.4552B21421.255
69149.4602B31421.260
69249.4652B41421.265
69349.4702B51421.270
69449.4772B61421.275
69549.4802B71421.280
69649.4852B81421.285
69749.4902B91421.290
69849.4952BA1421.295
69949.5002BB1421.300
70049.5052BC1421.305
70149.5102BD1421.310
70249.5152BE1421.315
70349.5202BF1421.320
70449.5252C01421.325
70549.5302C11421.330
70649.5352C21421.335
70749.5402C31421.340
70849.5452C41421.345
70949.5502C51421.350
71049.5552C61421.355
71149.5602C71421.365
71249.5652C81421.365
71349.5702C91421.370
71449.5752CA1421.375
71549.5802CB1421.380
71649.5852CC1421.385
71749.5902CD1421.390
71849.5952CE1421.395
71949.6002CF1421.400
72049.6052D01421.405
72149.6102D11421.410
72249.6152D21421.415
72349.6202D31421.420
72449.6252D41421.425
72549.6302D51421.430
72649.6352D61421.435
72749.6402D71421.440
72849.6452D81421.445
72949.6502D91421.450
73049.6552DA1421.455
73149.6602DB1421.460
73249.6652DC1421.465
73349.6702DD1421.470
73449.6752DE1421.475
73549.6802DF1421.480
73649.6852E01421.485
73749.6902E11421.490
73849.6952E21421.495
73949.7002E31421.500
74049.7052E41421.505
74149.7102E51421.510
74249.7152E61421.515
74349.7202E71421.520
74449.7252E81421.525
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75249.7652F01421.565
75349.7702F11421.570
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75549.7802F31421.580
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75749.7902F51421.590
75849.7952F61421.595
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76749.8402FF1421.640
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77449.8753061421.675
77549.8803071421.680
77649.8853081421.685
77749.8903091421.690
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80750.0403271421.840
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81650.0853301421.885
81750.0903311421.890
81850.0953321421.895
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82250.1153361421.915
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87050.3553661422.155
87150.3603671422.160
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88850.4453781422.245
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90050.5053841422.305
90150.5103851422.310
90250.5153861422.315
90350.5203871422.321
90450.5253881422.325
90550.5303891422.330
90650.53538A1422.335
90750.54038B1422.341
90850.54538C1422.345
90950.55038D1422.350
91050.55538E1422.355
91150.56038F1422.360
91250.5653901422.365
91350.5703911422.370
91450.5753921422.375
91550.5803931422.380
91650.5853941422.385
91750.5903951422.390
91850.5953961422.395
91950.6003971422.400
92050.6053981422.405

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