Raymarine Autohelm ST 30 - Manual (Page 36)

Chapter 6: Specification 33
Chapter 6: Specification
Dimensions: 110w x 88h x 42d mm
(4.3w x 3.4h x 1.6d in)
Power supply: 10 to 16.5V (12V nominal)
Current consumption: 45ma (normal) 90ma (Illumination on)
Operating temperature range: 0 to 70°C
Illumination: 3 selectable levels
Repeater capability: Software programmable