What do two short horn blast from a vessel mean in a meeting situation?

Rules of the Road

Sound and light signals

Rule 34

Maneuvering and Warning Signals

International (Signals of Action)

(a.) When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by the following signals on her whistle.

-One short blast to mean "I AM altering my course to starboard";

-Two short blasts to mean "I AM altering my course to port";

-Three short blasts to mean "I AM operating astern propulsion".

Inland (Signals of intent)

(a) When a power driven vessels are in sight of one another and meeting or crossing at a distance within half a mile of each other, each vessel underway, when maneuvering as authorized or required by these rules:

(i) Shall indicate that maneuver by the following signals on her whistle: one short blast to mean "I intend to leave you on my port side" (turning to starboard.); two short blast to mean "I intend to leave you on my starboard" (turning to port); and three short blasts to mean "I am operating astern propulsion"(This is the ONLY action in Inland)