but the wig wag can be used in a prone position under shelter.

Lanterns can be used at night for semaphoring.

Acetylene lamps can be used at night in place of the wig wag. In this
case a short flash represents a dot, a long flash a dash.

A few men in each company should be developed into expert signalers;
some men always show aptitude for this sort of thing.

Frequent use should be made of signaling in field work.


Letter Codes.

INFANTRY.

For use with General Service Code or semaphore hand flags.

--------------+---------------------------+----------------------------
Letter of | If signaled from the rear | If signaled from the firing
alphabet | to the firing line | line to the rear
--------------+---------------------------+----------------------------
AM | Ammunition going forward. | Ammunition required.
CCC | Charge (mandatory at | Am about to charge if
| all times). | no instructions to the
| | contrary.
CF | Cease firing | Cease firing.
DT | Double time or "rush." | Double time or "rush."
F | Commence firing. |