used if the command is only four charac
-
ters.
–
If the last character in the command is a
digit, then this digit is appended to the
shortform.
Examples:
Longform Shortform
:MEASURE :MEAS
:NEGATIVE :NEG
:DREGISTER0 :DREG0
:EXTERNAL4 :EXT4
The shortform is always printed in CAPI-
TALS in this manual: :MEASure, :NEG-
ative, :DREGister0, :EXTernal4 etc.
n
Example Language
Small examples are given at various
places in the text. These examples are not
in BASIC or C, nor are they written for
any specific controller. They only contain
the characters you should send to the
counter and the responses that you should
read with the controller.
Example:
SEND®
MEAS:FREQ?
This means that you should program the
controller so that it addresses the counter
and outputs this string on the GPIB.
READ¬
1.234567890E6
This means that you should program the
controller so that it can receive this data
from the GPIB, then address the counter
and read the data.
Setting Up the
Instrument
Setting the GPIB Address
The address of the counter is set to 10
when it is delivered. Press
USER OPT ®
Interface to see the active address above
the soft key labeled
GPIB address.
If you want to use another bus address,
you can press
GPIB address to enter a
value menu where you can set the address
between 0 and 30 by means of the nu
-
meric keys.
The address can also be set via a GPIB
command. The set address is stored in
nonvolatile memory and remains until
you change it.
Power-On
When turned on, the counter starts with
the setting it had when turned off.
n
Standby
When the counter is in REMOTE mode,
you cannot switch it off. You must first
enable Local control by pressing the
Can
-
cel
("C") key.
Testing the Bus
To test that the instrument is operational
via the bus, use *IDN? to identify the in
-
strument and *OPT? to identify which
options are installed. (See ‘System Sub
-
system’ , *IDN? and *OPT?)
1-4 Setting Up the Instrument
Getting Started
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