H Heuer Instruments UMDT51A, User Manual

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PC Interface
LT51 User Manual 72
LT51 Commands
CONFIGSETTING
Syntax: <0xAD><Config><Value><xx><xx> (LT51 returns <0x99>)
This command will set an internal LT51 <Config>uration to <Value>. The
following Configurations and their values can be set with this command:
Configuration <Config> <Value>
MEASMODE 0x00 0x20 = LEVSPCTM
0x21 = PSD
0x23 = IPNOISE
0x26 = TDR
0x28 = OSB
0x30 = NEXT / Loss
0x31 = FEXT
0x32 = ILOSS
0x34 = RLOSS
0x38 = LCL
0x41 = VOLTAGE
0x43 = TRACETONE
0x47 = R & C
0x73 = MAGZ
TERMINALS 0x02 0x00 = a-b
0x01 = a-g
0x02 = b-g
RXRANGE 0x03 0x00 = +30 dB
0x01 = +20 dB
0x02 = +10 dB
0x03 = 0 dB
0x04 = -10 dB
0x05 = -20 dB
0x06 = -30 dB
BW 0x04 0x00 = Max Span to
0x0A = Min Span
SWEEPING 0x05 0x00 = OFF
0x01 = ON
ZRTX 0x06
0x00 = 50

0x01 = 75

0x02 = 600

ZTX 0x07 0x00 = 50

0x01 = 75

0x02 = 600

INPUT 0x08 0x00 = Terminated
0x01 = HiZ