70 
20) Category: Protected 
21) Compass safe distance: 1m(Standard Compass) / 0.6m(Steering Compass) 
 
8.2 LCD display unit (NWZ-4650) 
1) Power supply (rating): 12 V DC (+30%, -10%) 
2) Power consumption: 4W (max) 
3) Dimensions: Approx. 175 (W) x 92 (D) x 162 (H) mm (incl. mounting bracket) 
4) Mass: Approx. 0.6 kg (incl. mounting bracket) 
5) Housing color: N4 SEMI-GLOSS 
6) Operating temperature: Operating temperature range    -15 °C to +55 °C 
7) Protection class: IP22 
8) Category: Protected 
9) Compass safe distance: 0.3m(Standard Compass) / 0.2m(Steering Compass) 
 
8.3 Buzzer unit (NVS-785) 
1) Power supply (rating): 12 V DC (+30%, -10%) 
2) Power consumption: 0.4W (max) 
3) Dimensions: Approx. 70 (W) x 47 (D) x 100 (H) mm (excl. mounting bracket) 
4) Mass: Approx. 0.2 kg (excl. mounting bracket) 
5) Housing color: N4 SEMI-GLOSS 
6) Operating temperature: Operating temperature range    -15 °C to +55 °C 
7) Protection class: IP22 
8) Category: Protected 
9) Compass safe distance: < 0.1m(Standard Compass) / < 0.1m (Steering Compass)