TROUBLESHOOTING/ Monitor Unit TROUBLESHOOTING 1. Displaying Service Menu Turn the key switch to the ON position while pushing the key at upper right corner of the monitor unit. Therefore, service menu is added to main menu. 2. When the primary screen appears, push the menu key and display main menu. 3. Select service menu from main menu by using keys 1 and 2. Push the confirm key. Then, the service menu screen appears. T1V1-05-01-115 Turn key switch ON while pushing the key Menu Key T1V1-05-01-123 Primary Screen NOTE: When pushing the back key, return to the previous screen. T1V5-05-01-114 Confirm Key Key 1 Key 2 Back Key Back Key T1V5-05-01-083 T5-2-34