Citizen REF CH-471B, Instruction Manual, Page: 7 / 8

English
— Eng 7 —
DESCRIPTION OF DISPLAY MARKS
DISPLAY MARK CONDITION/CAUSE CORRECTIVE ACTION
Measurement is begun, but the pressure was in-
sufficient.
Appears when the blood pressure could not be
measured accurately. (Some noises were de-
tected by the movement of arm during measure-
ment.)
Appears when the pulse could not be measured.
Appears when the batteries become weak.
Device has a trouble.
Repeat measurement again.
Repeat measurement again.
First, exhaust air from the cuff, reapply the cuff
properly and remeasure.
Repeat measurement again.
Replace the batteries.
Ask purchased shop.