rova RO-40A Manual Del Usuario página 6

make sure the finger is centered within the finger guide.
3. Press the button to activate the oximeter from the sleep mode, and then measurement interface
will appear in 3 seconds.
4. The measurement result will be read directly from the screen within 10 seconds.
5. The oximeter will turn into sleep mode within 8 seconds after the finger left the probe.
Press the button to open the probe Insert the finger Press the operating button to
activate the oximeter