Accu-Chek Aviva Combo - Manual (Page 228)

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7.5 Maintenance and Testing
•­­The­meter­needs­little­or­no­maintenance­with­normal­use.­It­automatically­tests­its­own­systems­every­
time­you­turn­it­on­and­lets­you­know­if­something­is­wrong.­For­detailed­information­on­troubleshooting­the­
meter,­see­Chapter­8,­“Troubleshooting.”
•­­If­you­drop­the­meter­or­think­it­is­not­giving­accurate­results,­ensure­your­test­strips­and­control­solution­
have­not­expired,­and­then­perform­a­control­test.
•­Perform­a­control­test­with­each­new­vial­of­test­strips.
•­­To­test­the­meter­display,­turn­off­the­meter,­and­then­press­and­hold­
+ .­The­display­cycles­through­colours­
(red,­blue,­green,­and­white).­If­any­part­of­the­display­does­not­change­colours,­contact­Roche.
•­If­the­meter­is­not­working­properly,­contact­Roche.
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