563.5.2 Introduction of main menu3.5.2.1 Object No.Object No. should correspond one by one with tested object. Everyobject No. can store up to 13 row × 18 columns, a total of 234potential values of measuring points.Object No. can increase automatically . After measurement of a surveyarea is complete, go back to main menu, then the object No. willincrease by 1 automatically.When changing object No. manually, select the “Obj. No.” menu, andthen operate as follows:1. Pressing 【ENTER 】to enter into object No. adjustment state,at that time, cursor will occur at the last digit of No.2. Pressing 【 】or【 】to adjust this digit and pressing【 】or【 】to select other data bits.The number adjustment can add or subtract value, themaximum is 999.3. Pressing 【MENU 】to go back to menu selection state andcontinuing other menu operation.4. Pressing【BACK 】to go back to previous state.3.5.2.2 Test methodRust test is divided into single-electrode test and double-electrodetest.Pressing 【 】or【 】in main menu to move cursor to “Method”option, pressing 【ENTER 】to enter into test method selection menu asshown in figure3-40, “ ” stays on the current test method forreference. Pressing 【 】or【 】 key to select test method, andpressing 【ENTER 】 or 【SAVE 】to select certain test method andOperation manual of NOVASCAN-R800, R630, C310ANovatest S.r.l. www.novatest.it