
4
Viewing the stored values
Press the M-button 8briefly, when the device is switched off. The 
display first shows «M» AO and «A», which stands for the average 
of all stored values.
Pressing the M-button again displays the previous value. Pressing 
the M-button repeatedly enables you to move from one stored 
value to another.
Memory full
Pay attention that the maximum memory capacity of 30 
memories is not exceeded. 
When the 30 memory is full, the 
oldest value is automatically overwritten with the 31st 
value.
 Values should be evaluated by a doctor before the 
memory capacity is reached – otherwise data will be lost.
Clearing all values
If you are sure that you want to permanently remove all stored 
values, hold down the M-button (the device must have been 
switched off beforehand) until «CL» appears and then release the 
button. To permanently clear the memory, press the M-button 
while «CL» is flashing. Individual values cannot be cleared.
How not to store a reading
As soon as the reading is displayed press and hold the ON/OFF 
button 1until «M» AO is flashing. Confirm to delete the reading by 
pressing the M-button 8.
6. Battery Indicator and Battery change
Low battery
When the batteries are approximately ¾ empty the battery symbol 
AN
 
will flash as soon as the device is switched on (partly filled battery 
displayed). Although the device will continue to measure reliably, you 
should obtain replacement batteries. 
Flat battery – replacement
When the batteries areflat, the battery symbolAN will flash as soon 
as the device is switched on (flat battery displayed). You cannot 
take any further measurements and must replace the batteries.
1. Open the battery compartment 5on the bottom of the device.
2. Replace the batteries – ensure correct polarity as shown by the 
symbols in the compartment.
Which batteries and which procedure?
Use 4 new, long-life 1.5 V, size AA alkaline batteries.
Do not use batteries beyond their date of expiry.
Remove batteries if the device is not going to be used for a 
prolonged period.
Using rechargeable batteries
You can also operate this device using rechargeable batteries.
Only use «NiMH» type reusable batteries.
Batteries must be removed and recharged when the flat 
battery symbol appears. They should not remain inside the 
device as they may become damaged (total discharge as a 
result of low use of the device, even when switched off).
Always remove the rechargeable batteries if you do not 
intend to use the device for a week or more.
Batteries cannot be charged in the blood pressure monitor. 
Recharge batteries in an external charger and observe the 
information regarding charging, care and durability.
7. Using a Mains Adapter
You can operate this device using the Microlife mains adapter 
(DC 6V, 600 mA). 
Only use the Microlife mains adapter available as an original 
accessory appropriate for your supply voltage.
Ensure that neither the mains adapter nor the cable are 
damaged.
1. Plug the adapter cable into the mains adapter socket 4in the 
blood pressure monitor.
2. Plug the adapter plug into the wall socket.
When the mains adapter is connected, no battery current is consumed.
8. Error Messages
If an error occurs during the measurement, the measurement is 
interrupted and an error message, e.g. «ERR 3», is displayed.
Error
Description
Potential cause and remedy
«
ERR 1
» Signal too 
weak
The pulse signals on the cuff are too weak. 
Re-position the cuff and repeat the 
measurement.*
«
ERR 2
» Error signal During the measurement, error signals were 
detected by the cuff, caused for instance by 
movement or muscle tension. Repeat the 
measurement, keeping your arm still.
«
ERR 3
» Nopressure
in the cuff
An adequate pressure cannot be generated 
in the cuff. A leak may have occurred. 
Check that the cuff is correctly connected 
and is not too loose. Replace the batteries if 
necessary. Repeat the measurement.