Dual Speed Display (Trawling Speed Display) - Simrad CX34 Manual

Pilot menu & navigation examples

6.4 Dual speed display (trawling speed display)

The analogue differential speed indicator will show how much the
present speed varies from the average speed.
If the difference exceeds +/- 3 knots (or km/h or miles/h), an arrow
will appear which will be pointing out of the scale.
MENU
Call up the menu bar, and...
load Dual Speed display
4,3
Internal POS
Position with three decimals in minutes.
Analogue differential speed indicator (scale).
Dynamic speed with short filtering time is reacting quickly to
changes, but is also more unsteady.
Average speed with long filtering time gives a very stable reading.
Course over ground, magnetic (m) or true (°).
How to reset dual speed:
Open for change
ADJ
Reset dual speed, or...
ENT
exit function without making any changes
MENU
CX34/44/54 Operator manual
Chapter 6-9
Water speed
readout from
connected
log trans-
ducer.