OPERATOR'S STATION Change Interval Settings IMPORTANT: Change interval can only be set when main- tenance information display is set to ON. 1. Select change interval by using keys 1 and 2 . . 3. Select remaining hours by using keys 1 2. Set time for change interval by using keys 3 and 4 Key 1 , and push determination key. and 2 4. The message “Adjust remaining hours to new change in- terval. OK?” displays. Then, push the determination key. Key 2 Interval ON/OFF Settings Screen 5. Push key 6 , and the basic screen displays. T1V5-05-01-052 Key 1 Key 2 Key 3 Key 4 Determination Key T1V5-05-01-138 Determination Key Key 6 T1V5-05-01-139 Menu Key Basic Screen T1V1-05-01-123 1-38