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NICE3000new User Manual Use of the Commissioning Tools You can return to Level II menu from Level III menu by pressing PRG or ENTER . The difference between the two is as follows: •• After you press ENTER , the system saves the parameter setting first, and then goes back to Level II menu and shifts to the next function code. •• After you press PRG , the system does not save the parameter setting, but directly returns to Level II menu and remains at the current function code. The following figure shows the shift between the three levels of menus. Figure 4-5 Shift between the three levels of menus ENTER Fd FE FP F0 F1 F2 F3 …FX-00 PRG FE-00 FP-00 F0-00 F1-00 F2-00 F3-00 Fd-26 FE-56 FP-02 F0-07 F1-25 F2-18 F3-21 Fd-00 In Level III menu, if the parameter has no blinking digit, it means that the parameter cannot be modified. This may be because: •• Such a parameter is only readable, such as actually detected parameters and running record parameters. •• Such a parameter cannot be modified in the running state and can only be changed at stop. 4.2.4 Viewing Status Parameters In the stop or running state, the operation panel can display multiple status parameters. Whether parameters are displayed is determined by the equivalent binary bits converted from the values of FA-01 and FA-02. In the stop state, a total of 12 parameters can be displayed circularly by pressing . You can select the parameters to be displayed by setting FA-02 (each of the binary bits converted from the value of FA-02 indicates a parameter). - 74 -