14
Operation
Use of Manual Mode
1. Press and hold Start/Stop button and immediately count the audible
heart beats, counting the fi rst beat as the button is pressed. The
LCD displays the fl ashing clock symbol and the FHR reading is
shown as three dashes.
2. Release the Start/Stop button immediately on the count of 10 (i.e.
After nine beat intervals). The MD2 will automatically calculate the
derived FHR averaged over the 10 beat period and display the
result. This rate value is retained until the measurement is repeated
or the unit is switched off. If the button is held for a period less than
about 3 seconds the display will clear the previous rate value and
reset.
Connection to Printa II™ (MD2 Only)
Hard copy printing is automatically selected when the plug of the interface buffer
box is inserted into the RS232 socket on the top panel of the MD2. Printing is
then initiated by using the Start/Stop button.
3.3 After Use
1. Press and release the On/Off button. If you forget to switch the unit
off, it will automatically shut-off after 3 minutes.
2. Refer to the cleaning section before storing or using the unit on
another patient.
3. Store unit together with probe and accessories in the soft carry case
provided.
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