Instructions

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Note: To change any setting before saving a result, scroll down through the result using the NEXT/LAST
keys. Change the distribution board, circuit number etc, using the UP/DOWN keys and press OK.
7.4 To recall test result:
1. Set the lower range knob to RECALL.
2. The last unique record number is displayed.
3. Use the UP/DOWN keys to select the test record to recall.
4. Use the LAST or NEXT keys to scroll through job number, distribution board, circuit number etc,
associated with the test result.
5. Press OK and the test result will be displayed.
6. Each recalled result will have two values. Use the LAST and NEXT buttons to switch between the two
values. In the case of Voltage/Frequency tests, one result will be voltage in volts and the other result
will be the frequency in Hz.
In the case of Z, MaxZ and Zref tests, one result will be the impedance in ohms and the other result will
be the circuit voltage (allowing PFC to be calculated).
In the case of the R1+R2 test, one result will be Zref and the other will be R1+R2
7. Press ESC to go back to the record number.
Repeat from step 3 to recall other test records.
7.5 Downloading results to a PC:
1. Run Megger PowerSuite Professional or Megger Download Manager on the PC.
2. Select the appropriate downloading instrument from the list. Ensure the LTW300 driver is selected (ie
MIT/LTW/RCDT) and NOT (MIT/LT/RCDT)
3. Select "Download" from the software tool bar.
4. Connect the tester to the PC using the USB download lead.
5. Set the lower range knob to [SEND].
6. The instrument will automatically download its contents to the PC. A bar graph shows the status of the
download.
WARNING: On completion of the download, disconnect the USB lead before
commencing further testing.
7.6 Deleting test results
To delete the latest test result:
WARNING: This operation is not reversible.
1. Set the lower range knob to [DEL]. The display will show the test record to be deleted (ie d034).
2. Press the OK button. The last test result will be will be deleted.
3. Repeat step 2 to delete another record.
To delete all test data:
WARNING: This operation is not reversible. All data will be deleted.
1. Set the lower range knob to [DEL]. The display will show the test record to be deleted.
2. Press the UP or DOWN key. The display will show "dALL" and the warning symbol [ ].
3. Press the OK button. All the test results will be will be deleted. The display will show “d---“ to indicate
all records are deleted.