KYORITSU 3023 - Manual (Page 19)

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7-2 Memory (save) function
Measured insulation resistance can be saved to the internal memory
up to 99 data.
Saving method:
(1) Measure the insulation resistance, and press the MEM key while
the message is displayed on the LCD.Then a memory
number displayed at the lower left flickers.Select any memory
number with the UP or DOWN key, and press the
key.
(2) Then, the measurement result displayed at the middle on the LCD
flickers. Press the key to save the result.It will be saved to
the internal memory, and the memory number is increased by 1.
Press the
key to delete the result.
Recalling the memory data
(1) Set the Range selector switch to any desired Insulation resistance
range, and press the key.
(2) Press the UP or DOWN key to switch the memory number.The
measured voltage and value are displayed on the LCD.
Deleting all memory data
(1) To delete all memory, rotate the Range selector switch from OFF
to Ω(CONTINUITY) position with the key pressed down.Then
release the key.
(2) The message "clr" is displayed on the LCD. It flickers and buzzer
sounds when the key is being pressed down again. The
deletion is completed once "Ω" is displayed on the LCD.
Note:
¡ The mark "---" is displayed on the LCD when no data is saved with
the selected memory No.
¡ Resistance value is displayed on the LCD when data is saved with
the selected memory No.
¡ Old data is overwritten with new when a new data is saved with the
same memory No.