ZETRON 748, Technical Manual

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Feature Set Reference
025-9368H 119
Display Statistics
The Display statistics command in the Diagnostic Menu displays data accumulated in monitoring the
Model 748. It provides data on the number or power losses, resets and any Users who have
checksum errors.
Power fails is the number of times the power to the Model 748 has been cycled.
Resets is the number of times the Model 748 has reset without power being removed. This could be
caused by a brown out condition at the site.
When power is first applied to the Model 748, it will do a System and User database test on the
integrity of the data. If the System database fails, it will reset the System database. When the Model
748 checks the User database (Interconnect and Repeater Panel), it is checking the integrity of each
individual User. If a User's data failed, that User will be marked as “Bad” in the statistics. If more
than 20 Users turn up bad, the Model 748 will reset the User database (Interconnect or Repeater
Panel). Any users that have been marked as bad will also be displayed under System statistics.
Bad users are also displayed when the Main Menu is displayed the first time in a programming
session.
How to execute it:
Access the Model 748 through your direct connected PC or terminal, or remotely from your PC
connected to a modem via the Model 748's internal modem.
Once connected to the Model 748 and the Main menu is on the screen, type “5” and press ENTER ,
the Diagnostic Menu will be displayed. Select the item number for Display statistics and press
ENTER
. Current reset counts and date of last occurrence, “bad” Users if any, unit serial number and
hour meter will be displayed. Any key will return to the Diagnostic Menu.
Application note:
The number of power failures and when the last occurrence was can be very useful information. If
you suspect marginal power at the site, reset counts can help diagnose or confirm a potential
problem.