User manual

28
Subject to change without notice
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 lter 50 kHz
Activates/deactivatesthelowpassler,correspondstopush-
button LP 50 kHz
FA0 Lowpasslter50kHzchannelAoff
FA1 Lowpasslter50kHzchannelAon
FB0 Lowpasslter50kHzchannelBoff
Fb1 Lowpasslter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
k) OFFSET
Activating/deactivating of OFFSET function, corresponds to
pushbutton OFFSET
OF0 OFFSET function off
OF1 OFFSET function on
l) HOLD
Activating/deactivating of HOLD function, corresponds to push-
button HOLD
DH0 Display hold off
DH1 Display hold on
m) Display
Activating/deactivating the display, corresponds to menu item
Display.
DS0 Display off
DS1 Display on
n) Miscellaneous parameters
NPCxxxx Setting of pulses per revolution for rpm
measurement (xxxx: 1 ..65,535)
TRG Trigger
RES Reset
STR Starting event counting
STP Stop of event counting
Requests of parameters: These commands allow to request
parameters and the actual results from the instrument.
VER Request for software version number of the
HM8123 (e.g. 1.00)
IDN Identicationstring(HAMEGHM8123)
FN? Measurement function (e.g. FRA)
SMT? Gate time in ms (e.g. 400ms)
LVA? Trigger level in V of channel A (e.g. +0.100)
LVB? Trigger level in V of channel B (e.g. -1.000)
XMT Request of results, format: value, unit
MA? Settings of channel A Example:
MB? 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lteron
ATT:1 = Attenuator off
SLP+ = Positive slope
R e m o t e c o n t r o l