TROUBLESHOOTING

Problem

Probable cause

Corrective action

Nothing appears in

Batteries are drained.

Replace all batteries with new

the display, even

 

 

 

 

 

ones.

when the power is

 

 

 

 

 

 

Battery terminals are

Reinstall the batteries with

turned on.

not in the correct

negative and positive terminals

 

 

 

 

position.

 

 

matching those indicated in the

 

 

 

 

 

 

 

battery compartment.

 

 

 

 

 

 

 

 

The cuff does not

Battery voltage is too

Replace all batteries with new

inflate.

low. LOW BATTERY

ones.

 

 

MARK (

 

 

) blinks.

 

 

 

[If the batteries are drained

 

 

 

completely, the mark does

 

 

 

not appear.]

 

 

 

 

 

 

 

 

 

 

 

The unit does not

The cuff is not fastened

Fasten the cuff correctly.

measure.

properly.

 

 

 

 

 

 

 

 

 

 

 

Readings are too

You moved your arm or

Make sure you remain very still

high or too low.

body during the

and quiet during the

 

 

measurement.

measurement.

 

 

The cuff position is not

Sit comfortably and still. Make

 

 

correct.

 

 

sure the cuff is at the same level

 

 

 

 

 

 

 

as your heart.

 

 

You are using the wrong

See Pg. E-5 “Selecting the

 

 

size cuff.

 

 

Correct Cuff.”

Other

The value is different

See Pg. E-14 “Why Measure

 

 

from that measured at a

Blood Pressure at Home.”

 

 

clinic or doctor’s office.

 

 

 

 

 

Remove the batteries. Place

 

 

 

 

 

 

 

 

 

 

 

 

 

 

them back properly and try the

 

 

 

 

 

 

 

measurement again.

 

 

 

 

 

 

 

 

NOTE: If the actions described above do not solve the problem, contact A&D Medical or Auto Control Medical at the numbers listed at the bottom of these pages. Do not attempt to repair the device yourself.

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LifeSource Health Line (Toll-Free): 1-888-726-9966

 

 

 

 

SPECIFICATIONS

 

 

 

Model

. . . .UA-774

Type

. . . .Oscillometric

Display

. . . .Digital character height

. . . . . . . . . . . . . . . . . . .

. . . .Pressure (16.0 mm)/

 

pulse (10.0 mm)

Memory

. . . .displayed simultaneously

. . . .30 readings per person for two

Measurement range . . . .

persons

. . . .Pressure: 20 mmHg to 280 mmHg

 

Pulse: 40 pulses to 200 pulses

Accuracy

per minute

. . . .Pressure: +3 mmHg or +2%,

 

whichever is greater

Pressurization

Pulse: +5%

. . . .Automatic, using micropump

Depressurization

. . . .Automatic constant speed

Power source

. . . .4 type “AA” (1.5 volt) alkaline

 

batteries (not included) or

Battery life

AC Adapter (A&D Model TB:181)

. . . .Approximately 6 months with

Operating environment

one daily measurement

. . . .50ºF to 104ºF (10ºC to 40ºC)

Storage environment .

Less than 85% relative humidity

. . . .14ºF to 140ºF (-10ºC to 60ºC)

Dimensions

Less than 95% relative humidity

. . . .Length: 4.3” (110 mm)

 

Width: 5.8” (147 mm)

Weight

Height: 2.5” (64 mm)

. . . .10.6 oz. (300 g) without batteries

Blood pressure measurements determined by the UA-774 are equivalent to those obtained by a trained observer using the cuff/stethoscope auscultation method within the limits prescribed by the American National Standards Institute (ANSI/AAMI SP-10) for electronic or automated sphygmomanometers.

In Canada (Toll-Free): 1-800-463-5414

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LifeSource UA-774 manual Troubleshooting, Specifications