46.3.3. ‘‘MeasUres” level (screen menu 2.0) ....................................................486.3.4. ‘‘seTTInGs” level (screen menu 3.0) .................................................... 516.3.5. ‘‘alarMs” level (screen menu 4.0) ......................................................566.3.6. ‘‘DaTa lOGGer” level (screen menu 5.0) ..........................................697. Maintenance, warranty and service ................................................ 717.1. Basic maintenance guide ...............................................................................717.1.1. Battery fuses ..........................................................................................717.1.2. Batteries .................................................................................................717.1.3. Cooling Fan............................................................................................727.1.4. Capacitors ..............................................................................................727.2. Warranty conditions .......................................................................................728. Annexes ........................................................................................... 738.1. General technical specification .....................................................................738.2 safety Instructions ...........................................................................................76