Hameg Instruments HM8131-2 Handbuch Seite 42

English
Operating Modes
CTM: Free-running mode (continuous)
TRM: Triggered mode
TRM+: Trigger with positive slope
TRM-: Trigger with negative slope
GTM: Gated mode
GTM+: Gated mode, high level (1)
GTM-: Gated mode, low level (0)
TRP+: Triggering with positive signal (1)
TRP-: Triggering with negative signal (0)
Sweep Operation
SW1: Activate sweep
SW0: De-activate sweep
LIN: Linear sweep
LOG: Logarithmic sweep
STT? : Queries start frequency
STP? : Queries stop frequency
SWT? : Queries sweep time
STT:xxx: Display start frequency
STP:xxx: Display stop frequency
SWT:xxx: Display sweep time
DST : Display start frequency
DSP : Display stop frequency
DSW : Display sweep time
Types of Modulation
AM0 : De-activate amplitude modulation
AMI : Amplitude modulation, internal source
AMX : Amplitude modulation, external source
AMT?: Queries modulation depth (%)
AMI:xxx: Adjust modulation depth (%), internal source
AMX:xxx: Adjust modulation depth (%), external source
AMT:xxx: Indicate modulation depth
FSK1 : Activate FSK modulation
FSK0 : De-activate FSK modulation
CAR?: Queries carrier frequency
HOP?: Queries jump frequency
CAR:xxx: Adjust carrier frequency
HOP:xxx: Adjust jump frequency
PSK1: Activate PSK modulation
PSK0: De-activate PSK modulation
PHO?: Queries phase value, 0
PH1: Queries phase value, 1
PH0:xxx: Adjust phase value, 0
PH1:xxx: Adjust phase value, 1
Arbitrary Signal Operation
ARC4: Initializes 4k word function,
cancellation of data and address counter
ARC16: Initializes 16k word function,
cancellation of data and address counter
ARD4:xxxx 4k word function,
sets point and increases address counter
ARD16:xxxx 16k word function,
sets point and increases address counter
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ARD4?: 4k word function,
Queries point and increases address counter
ARD16?: 16k word function,
Queries point and increases address counter
ARE: End of data entry; calculation of values
ARP4:xxxx=yyyy : 4k word function,Writing of point
with value x to address y
ARP16:xxxx=yyyy: 16k word function, Writing of point
with value x to address y
ARP4:yyyy=?: 4k word function,Queries for value
at point x on address y
ARP16:yyyy=?: 16 k word function, Queries for
value at point x on address y
Instrument Status
Upon a status request "STA", the HM8131-2 will trans-
mit the following data via the interface:
OT1, RFI, SWO, SIN, AMO, SKO, CTM, VPP
The fields may contain the following data:
OT1: Output signal ON
OT0: Output signal OFF
RFI: Internal reference frequency
RFX: External reference frequency
SWO:Sweep OFF
SL1: Linear sweep
SG1: Logarithmic sweep
SIN: Sinusoid
SQR: Square wave
TRI: Triangular
RMP: Ramp, increasing
RMN: Ramp, decreasing
AR4: Arbitrary function, 4k
AR16:Arbitrary function, 16k
NOI: White noise
AM0: De-activate amplitude modulation
AMX: External amplitude modulation
AMI: Internal amplitude modulation
SKO: De-activate FSK/PSK modulation
PS1: Activate PSK modulation
FS1: Activate FSK modulation
CTM: Free-running mode
GT+: Gated 1 mode
GT-: Gated 0 mode
TR+: Triggered positive slope
TR-: Triggered negative slope
VP: Amplitude, volts peak to peak
Subjest to change without notice