Texas Instruments Weather Report Logger WRL-25 Manual page 8

WRL Instruction Manual
Press select a tenth time (the single dot is now located at the top, between the hour and minute);
the peak of the cycle hour (usually high tide) will be displayed. Change as desired.
Press select an eleventh time (the single dot remains at the top between the hour and minute), and
the minutes of the peak hour will be displayed. Change as desired.
Press select a twelfth time and the unit will return to normal display mode.
Calibration mode
See the calibration reference section on page 22 for other details.
Calibration Method
Press select and scale at the same time, and the unit enters the calibration mode, first displaying
the Aux value. If necessary, press the maximum or minimum key to enter the proper temperature.
Texas Weather Instruments, Inc.
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WRL Instruction Manual