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1. Change to function ACV by pressing up or down arrow button.
2. Change to Range 200V by pressing left or right arrow button.
3. Apply AC 199.5V, 60Hz to equipment; Allow for settling; then press
F3(R/cal) button.
4. Apply 20V, 2V, and 0.2V(S2405, S2505), 60Hz as described
above.
4.5.3. Ohms Calibration
1. Short the test lead ends together.
2. Record the reading (system resistance) shown on the meter.
3. Change to function OHM by pressing up or down arrow button.
4. Change to Range 2kΩ by pressing left or right arrow button.
5. Apply 2kΩ to equipment; Allow for settling; then press F3(R/cal)
button.
6. Apply 20kΩ, 200kΩ, and 2MΩ as described above.
4.5.4. Frequency Calibration
1. Change to function Hz by pressing up or down arrow button.
2. Apply AC 0.2V, 1MHz to equipment; Allow for settling; then press
F3(R/cal) button.
3. If the measurement value is not correct, adjust by up or down
arrow button after press F4 (Tlvl).
4.6. Exiting Calibration Mode
Calibration mode can be exited at any time by pressing the I/O button
(Power off).