GE Hydran 201i, Instruction Manual

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Main and Extended Menus
Part 17997 Rev. 6, March 2011 4-15
4.5.1.5 History Setup (Extended Menu Only)
This function gives access to the logging rate parameters of the Short Term and Long Term
historic data files. Once set, the new value will only come into service after the current
period is over.
• ShrtTerm LogRate : Logging rate for Short Term recordings. The total capacity is
480 recordings. For example:
– The minimum logging rate of 1 minute provides a capacity of 480 minutes (8 hours).
– A logging rate of 5 minutes provides a capacity of 40 hours.
– The default logging rate of 15 minutes provides a capacity of 5 days.
– A logging rate of 60 minutes provides a capacity of 20 days.
– The maximum logging rate of 360 minutes (6 hours) provides a capacity of 120 days
(4 months).
• LongTermLog#1 , #2 , #3 and #4 : Time of first, second, third and fourth Long Term
recordings. The total capacity is 480 recordings. For example:
– 1 recording per day provides a capacity of 480 days (1 year and 4 months).
– 2 recordings per day provides a capacity of 240 days (8 months).
– 3 recordings per day provides a capacity of 160 days (5 months).
– 4 recordings per day provides a capacity of 120 days (4 months).
Note: LongTermLog#1 cannot be turned off; however, LongTermLog#2, #3 and #4 can
each be turned off. The logging times must be set in chronological order, LongTermLog#1
being the first of the day, LongTermLog#2 preceding LongTermLog#3, etc.
4.5.1.6 Clear Events (Extended Menu Only)
This function is used to delete all data from the historic data file Events. This command
requires password No. 2.
4.5.1.7 Clear Short Term (Extended Menu Only)
This function is used to delete all data from the historic data file Short Term. This command
requires password No. 2.
4.5.1.8 Clear Long Term (Extended Menu Only)
This function is used to delete all data from the historic data file Long Term. This command
requires password No. 2.