3. A point on this line at a distance equal to the designated range.
Note.—The clock here represented must be considered as horizontal, not vertical as shown. For the purpose of illustration perspective was not considered. The observer occupies the center of clock.
Case (C).
VERTICAL CLOCK FACE SYSTEM (USED WHEN TARGETS ARE SMALL OR INDISTINCT).
| SYSTEM. | EXAMPLE A. | EXAMPLE B. | EXAMPLE C. |
|---|---|---|---|
| 1. Announce the general direction of the reference point | Reference point at 12 o’clock | Reference point to our right front | Reference point to our right front. |
| 2. Announce the reference point (the most prominent object in the zone indicated) | Single house with 2 chimneys | High peak | High peak. |
| 3. Announce position of target with respect to reference point | Target at 8 o’clock | Target at 5 o’clock | Target at 4 o’clock. |
| 4. Announce the objective | Machine-gun | A hostile patrol | A hostile patrol. |
| 5. Announce range | Range 1,000 | Range 900 | Range 800. |
Procedure.
1. All men look in direction indicated by 1.
2. Reference point is found in the indicated direction.
3. A clock face (vertical) is imagined centered on reference point and look along the line through the indicated o’clock, and