20A) GPRS transmission option B) GPRS transmissionC) USB backup D) Data deletionFigure3-4 GPRS transmissionIllustration: As GPRS connection and transmission is slow,please wait for instrument tip patiently. If showing “GPRSconnecting…” or “Sending data…” for long time, press【BACK】to cancel connection or data transmission.GPRS module is optional, GPRS transmission can be used onlyon the instrument equipped with GPRS module.Suggestion: After data transmission is completed, backupdata with U-disk.3.3 System settingAfter entering into system setting interface as figure 3-5, displayingdate and time dynamically. Users can modify year, month, day, hour,minute, second of system clock. The clock is 24-hour hex. Users cancheck battery state at the same time.Operation manual of NOVASCAN-R800, R630, C310ANovatest S.r.l. www.novatest.it