69
Chapter 3, HP-IB Command Guidelines
Guidelines for Operation
Reading Back Display Units Setting.
Use the Display Units query command,
DUNits?, to read back the current Display Units setting. For example, the
following BASIC language program statements query the current Display Units
setting for the
TX Power
measurement:
!Query Display Units setting for TX Power measurement.
OUTPUT 714;"MEAS:RFR:POW:DUNits?"
!Enter the returned value into a string variable.
ENTER 714;A$
The returned units-of-measure will be whatever is shown on the Test Set’s front-
panel display for the TX Power measurement: dBm, V, mV, dBuV, or W. All
returned characters are in upper case. For example, if dBuV is displayed, DBUV
is returned.
Guidelines for Display Units
•
When querying a field’s setting or measurement result through HP-IB, the Test Set al-
ways returns numeric values in HP-IB Units or Attribute Units, regardless of the field’s
current Display Units setting.
•
The Display Units for a field’s setting or measurement result can be set to any valid
unit-of-measure, regardless of the field’s HP-IB Units or Attribute Units.
•
The Display Units setting for a field’s setting is not affected when changing the field’s
value through HP-IB.
For example, if the
AFGen1 Freq
Display Units are set to kHz, and the command
AFG1:FREQ 10 HZ is sent to change AFGen1’s frequency to 10 Hz, the Test Set dis-
plays
0.0100 kHz
; not 10 Hz.
Содержание 8920B
Страница 10: ...10 ...
Страница 16: ...Contents 16 9 Error Messages Index 673 ...
Страница 17: ...17 1 Using HP IB ...
Страница 48: ...48 Chapter 1 Using HP IB Remote Local Modes ...
Страница 49: ...49 2 Methods For Reading Measurement Results ...
Страница 61: ...61 3 HP IB Command Guidelines ...
Страница 84: ...84 Chapter 3 HP IB Command Guidelines Guidelines for Operation ...
Страница 85: ...85 4 HP IB Commands ...
Страница 90: ...90 Adjacent Channel Power ACP ...
Страница 116: ...116 Configure I O Configure ...
Страница 156: ...156 Call Processing ...
Страница 162: ...162 Display DISPlay space TDMA test TESTs TFReq THLP TIBasic TMAKe TPARm TPRint TSEQn TSPec Returns current screen TX ...
Страница 185: ...185 System System SYSTem ERRor Returns integer value quoted string ...
Страница 242: ...242 Common Command Descriptions ...
Страница 251: ...251 5 Advanced Operations ...
Страница 377: ...377 7 IBASIC Controller ...
Страница 458: ...458 Chapter 7 IBASIC Controller The TESTS Subsystem ...
Страница 640: ...640 Chapter 8 Programming The Call Processing Subsystem Example Programs 11280 SUBEND 11290 ...
Страница 643: ...643 9 Error Messages ...
Страница 672: ...672 ...
Страница 682: ...Index 682 ...