Raymarine Autohelm ST 30 - Manual (Page 32)

Chapter 4: Operation 29
4.4 LCD Illumination
The ST30 Compass has four illumination settings: high (L3), medium (L2),
low (L1), and off (L0). The LCD is illuminated by simply pressing the
key. This key is also used to cycle the illumination settings.
LOCK
COMPASS
LOCK
HEADING
AVERAGE
D1800-1
If the ST30 Compass is on the SeaTalk bus, the illumination can be
adjusted from any instrument. Likewise if the illumination is adjusted from
the compass the illumination of all the instruments on the bus will be
altered.
Please Note...
The compass returns to normal operation 8 seconds after the last
key press
4.5 No Data
If the compass fails to receive compass information, or if the transducer is
not connected when the compass is the sole compass unit on the bus, the
display will consist of just dashes.
LOCK
COMPASS
LOCK
HEADING
AVERAGE
D1801-1