
Automating Measurements
Operator Interaction
The USER TTL port can be used as a general-purpose input or output. Like
the LIMIT TEST IN/OUT line, the USER TTL IN/OUT line is au open collector
drive. When used as an input, the state of the USER TTL IN/OUT line can be
read with either the SCPI command
or with the
command
I =
When used as an output, the state of the USER TTL
line can be set
with either the SCPI command
15,1
or with the
command
The USER TTL IN/OUT port can also be used in conjunction with an external
switch for
auto-stepping, or as a “sweep out” port. Be sure that USER
TTL IN/OUT port is
properly for general-purpose I/O by pressing
[
SYSTEM OPTIONS
)
. Or use
the following SCPI command:
DEFAULT
C A U T I O N
Be sure to observe static precautions when using this port.
7-34
Содержание 8712C
Страница 1: ...I I User s Guide HP 8712C and HP 8714C RF Network Analyzers I ...
Страница 17: ...I 1 Installing the Analyzer ...
Страница 35: ...I 2 Getting Started ...
Страница 54: ...I 3 Making Measurements ...
Страница 81: ......
Страница 119: ...4 Using Instrument Functions ...
Страница 182: ...Using Instrument Functions Customizing the Display Figure 4 24 Expanded Display 4 64 ...
Страница 223: ...5 Optimizing Measurements ...
Страница 244: ...6 Calibrating for Increased Measurement Accuracy ...
Страница 280: ...7 Automating Measurements ...
Страница 298: ......
Страница 362: ...8 Front Rear Panel ...
Страница 373: ......
Страница 381: ......
Страница 386: ... 9 w I Suftkey Reference ...
Страница 477: ...I 10 Specifications and Characteristics ...
Страница 501: ...11 Safety and Regulatory Information ...
Страница 508: ...I 12 preset State and Memory Allocation ...
Страница 527: ...Index ...
Страница 559: ...Y X 9 91 YYW m m IiH rn 9 91 Z zeroing detectors 6 15 Index 33 ...