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OM-550 u28u
4.7 OPERATION AT FULL CACHE (RECORDING TIME)
The OM-550 includes a battery-backed, 28-Kb data cache. The cache is erased when
the RUN or PROG keys are pressed and new data is stored during logging. The OM-
550 can be programmed to stop when the data cache is full or to log continuously and
overwrite the oldest data when the cache fills.
When the RUN key is pressed, the selected operation and the time required to fill the
cache is displayed. In this example, the unit will stop on a full cache:
Figure 4-5
Operation at full cache is determined during programming. To program the OM-550 to
stop logging when the cache is full, answer the programming prompts as follows:
Figure 4-6
RUN KEY PRESSED
CACHE FULL IN 2 DAYS, 10 HRS, and 20 MIN.
PRESS YES
OM-550 LOGS & PRINTS THE
TIME, DATE &
FIRST DATAPOINTS
PROG, OK KEYS PRESSED
PRESS OK
PRESENTLY SET TO OVERWRITE FULL CACHE
PRESS YES, EXIT
THE SELECTION IS ECHOED
PRESS THE EXIT KEY AND IT IS ECHOED
THE TIME, DATE AND MENU PRINT