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AB1
Attenuator channel B 1 : 10
AB2
Attenuator channel B 1 : 100
b) Slope
Selection of trigger slope, corresponds to pushbutton SLOPE
SA0
Positive slope channel A
SA1
Negative Slope channel A
SB0
Positive slope channel B
SB1
Negative slope channel B
c) Low pass filter 50 kHz
Activates/deactivates the low pass filer, corresponds to push-
button LP 50 kHz
FA0
Low pass filter 50 kHz channel A off
FA1
Low pass filter 50 kHz channel A on
FB0
Low pass filter 50 kHz channel B off
Fb1
Low pass filter 50 kHz channel B on
d) Coupling
Selection of coupling, corresponds to pushbutton DC
ACA
AC coupling channel A
DCA
DC coupling channel A
ACB
AC coupling channel B
DCB
DC coupling channel B
e) 50 Ω
Selection of input impedance, corresponds to pushbutton 50 Ω
OAH
Input impedance channel A 1 MΩ
OAL
Input impedance channel A 50 Ω
OBH
Input impedance channel B 1 MΩ
OBL
Input impedance channel B 50 Ω
f) Trigger level
Selection of trigger level, corresponds to pushbuttons LEVEL
A
and LEVEL B
.
LVAxxxx
Setting of channel A trigger level (xxxx:
±0.001 to ±200.0 V)
LVBxxxx
Setting of channel B trigger level (xxxx:
±0.001 to ±200.0 V)
g) Gate time
Setting of gate time, corresponds to pushbutton GATE TIME
SMTxxxx Setting of gate time in ms (xxxx: 1 .... 65,535 ms)
h) Wait time
Activating/Deactivating of the wait time between measurements
WT0
Wait time off
WT1
Wait time on
i) ARMED
Activating/Deactivating of ARMED function, corresponds to
pushbutton ARMED
AR0
ARMED function off
AR1
ARMED function on
j) GATED
Activating/deactivating of GATED function, corresponds to
pushbutton GATED
GT0
GATED function off
GT1
GATED function on
28
Subject to change without notice
All manuals and user guides at all-guides.com
k) OFFSET
Activating/deactivating of OFFSET function, corresponds to
pushbutton OFFSET
OF0
OF1
l) HOLD
Activating/deactivating of HOLD function, corresponds to push-
button HOLD
DH0
DH1
m) Display
Activating/deactivating the display, corresponds to menu item
Display.
DS0
DS1
n) Miscellaneous parameters
NPCxxxx Setting of pulses per revolution for rpm
TRG
RES
STR
STP
Requests of parameters: These commands allow to request
parameters and the actual results from the instrument.
VER
IDN
FN?
SMT?
LVA?
LVB?
XMT
MA?
MB?
.
OFFSET function off
OFFSET function on
Display hold off
Display hold on
Display off
Display on
measurement (xxxx: 1 ..65,535)
Trigger
Reset
Starting event counting
Stop of event counting
Request for software version number of the
HM8123 (e.g. 1.00)
Identification string (HAMEG HM8123)
Measurement function (e.g. FRA)
Gate time in ms (e.g. 400ms)
Trigger level in V of channel A (e.g. +0.100)
Trigger level in V of channel B (e.g. -1.000)
Request of results, format: value, unit
}
Settings of channel A
Example:
Settings of channel B
Z:50 CPL:AC FL:ON ATT:1 SLP+
Explanation:
Z:50
= Input impedance 50 Ω
CPL:AC = AC coupling
FL:ON = Low pass filter on
ATT:1
= Attenuator off
SLP+
= Positive slope
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