"(6) To receive, obey, and pass on to the sentinel who relieves me all orders from the commanding officer, officer of the day, and officers and noncommissioned officers of the guard only.
"(7) To talk to no one except in line of duty.
"(8) In case of fire or disorder to give the alarm.
"(9) To allow no one to commit a nuisance on or near my post.
"(10) In any case not covered by instructions to call the corporal of the guard.
"(11) To be especially watchful at night, and, during the time for challenging, to challenge all persons on or near my post, and to allow no one to pass without proper authority." (Guard Manual.)
SALUTING
Saluting distance is that within which recognition is easy. In general it does not exceed thirty paces.
A junior, who is mounted, dismounts before addressing a senior who is dismounted. If the senior is mounted the junior does not dismount when addressing him.
A junior officer walks or rides on the left of his senior.