Hanna Instruments edge PHM4092, Руководство пользователя, Страница: 17 / 44

Setup/Installation 17
Select the Manual (Stability) lot and press CLR .
The ”CLEAR” message will be displayed along with
”MANUAL” or “STABILITY” and
CFM tag blinking on
the LCD. Press the CFM key to confi rm the deleting of
the selected lot (MANUAL or STABILITY) or all records.
Press
CLR to exit without deleting.
The lot number is used to identify particular sets of data. The lot numbers
are allocated successively until 100, even if some lots were deleted. The total
number of lots that can be saved is 100. If some are deleted (for example 1-50),
fi fty additional logs may be stored. These will be numbered 101-150. The lots are
allocated successively (provided available memory space) until 999 is reached.
After this, it is necessary to delete all the LOT logs to start over the numbering.
Delete All
All pH logs, (or all ORP logs) may be deleted in a single clear. This function will
delete all MANUAL, STABILITY and INTERVAL logs.
Press the RCL key. pH will be blinking. Use u to select
desired measurement parameter log data to delete.
(pH or ORP)
While the measurement type is blinking and message
states “LOG RECALL”, press
CLR .
“CLEAR ALL” and measurement type will be displayed
with “CFM” tag blinking. Press
CFM .
“PLEASE WAIT” and the percent cleared will be
displayed until completed.
Note
: If CLR is pressed in error, press CLR again to exit
without deleting.
Viewing
Logged
Data