Frequeny resolution

Hello everybody,
I have an agilent 53181A , I use it to count frequency.
When I measure a frequency it displays all digits (example 14628.67 Hz) and since I communicate it via GPIB it change the reading and it displays only 14,62 kHz . And I need to see my hertz range.
I attached the drivers for agilent .
Can any body make changes to have this resolution of frequency.
Please help me.
Attachments:
hp53181a.zip ‏331 KB

Hello,
a few suggestions:
the driver contains a vi named arm freq,period,ratio. By setting the
choice to 'Digits' you can alter the number of displayed digits.
Personally I do not know that device, but I am using the HP34401. There
you can change the resolution for frequency measurements manually. If I
change to remote control and get the value, the resolution is only
altered if I reset the device.
Do you configure / reset the device before taking measurements? If you
are using the initialize.vi and do not wire the reset-connector, the
device will be always cleared and a default setup will be etablished.
As I looked through the config measurement vi only sets the changes the
measurement and not the resolution.
Try changing the frequency counter resolution manually and then taking
the measurement without initializing the device (VISA communication
should work without the init)
lynxlynx

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Last edited by vor_lord (2012-09-22 04:29:49)

archie0 wrote:
Yes. NVIDIA+CRT+VGA cable = bad EDID.
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http://www.thinkcomputers.org/old/index … ews&id=733
That review indicates:
Frequency: Fh: 30 kHz - 80 kHz; Fv: 50 Hz - 75 Hz
So I set:
HorizSync 30-80
VertRefresh 50-75
Signal out of range, which is annoying because in order to fix it I either have to reboot using a live CD, mount the drive, or ssh into it. Whoever started the trend of disabling ctl alt backspace to kill an xsession is not my friend...
Some other forum posts about this monitor indicate that there may have been two variants, but I can't find a different set of specs.
Last edited by vor_lord (2012-09-25 05:48:24)

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