A&D UA-621 Operation Manual - Measurement

3 

3. Installing the Batteries 

1.  Open the battery cover by sliding it upward. 

2.  Install or replace batteries in the battery 

compartment as shown.    Please check that the 

polarities (+) and (-) are correct. 

3.  Close the cover by sliding the 

battery cover down. 

Use only R6P, LR6 or AA 

batteries. 

Measurement 

1. Securing the Cuff 

1. Insert the air connector plug into the air 

jack on the left side of the monitor. 

2.  Put your left arm into the cuff loop--the 

air tube should be on the bottom--and 

wrap the cuff around your upper arm 

Where:  

The cuff should be about 2 - 3 cm 

above the elbow. Place the cuff 

directly against the skin, as clothing 

may cause a faint pulse and result in 

a measurement error. 

Note: 

-  Please make sure that the cuff is 

wrapped securely around the arm, 

but 

U

not

U

 too tightly. Adjust cuff 

tightness by putting 1 or 2 fingers 

between the cuff and arm. 

Roll up your shirtsleeve 

2 -3 cm 

Constriction of the Upper Arm

Air 

Cuff 

+

+

-

-