=Take Post.=—Detachments turn outwards and double to their respective guns (sergeant and corporal on outer flanks, where they can superintend). Nos. 1 and 2 fall in on left of tripod; No. 3 on left of ammunition box. (If ground suitable these numbers should lie down.) Nos. 4, 5 and 6 fall in, in single rank, in rear of No. 3. The gun position and point of aim is then indicated, followed by command:— =Mount Gun.=—No. 1 picks up tripod, having previously seen that both elevating screws are exposed the same distance, carries and places it in position indicated. In adjusting, he must ensure that crosshead and sights are upright, and legs clamped tight. No. 2 should so time his advance that he will arrive immediately the tripod is adjusted. He will carry gun to right side of tripod, holding rear crosspiece with left hand, gun muzzle to rear under right arm. Kneels on left knee, facing tripod, and supporting weight of gun on right knee, places it on tripod, drives in and turns down crosshead joint pin, and removes cork plug from steam escape hole. No. 1 fixes elevating joint pin and directs gun towards the mark. No. 2 kneeling and placing ammunition box in position. No. 3 when he sees gun nearly mounted, will carry ammunition box forward and place it within reach of No. 2. He then retires to a position not immediately in rear of the gun. =Load.=—No. 1 raises tangent sight, No. 2 passes tag of belt through feed block. No. 1 turns crank handle on to buffer spring, pulls belt to left front as far as it will go, and lets go crank handle, releases strain on belt, then turns crank handle on to buffer spring, again pulls belt to left front and lets go belt and crank handle. The gun is now ready to fire. =Single Shot Loading.=—Carry out first half of loading motions, then, without touching belt, turn crank handle on to buffer spring and let go. =800 (Range).=—No. 1 repeats the order and adjusts slide to elevation required. =At (Object).=—No. 2 adjusts traversing clamp if ordered to by No. 1, who lays the gun, raises automatic safety catch with forefinger and prepares to fire. When No. 1 is ready No. 2 holds up his hand. =Fire.=—No. 1 presses the double button. =Cease Fire.=—No. 1 releases automatic safety catch and remains steady. =Traversing Fire.=—No. 1 will lay gun on flank named, press button, and tap alternately, with the hand, on the rear crosspiece in the required direction, until limit is reached. =Unload.=—No. 1 lowers the sight (not the slide), turns the crank handle twice in succession on to buffer spring, letting it fly back each time on to the check lever; then presses up finger pieces on bottom pawls, No. 2 withdrawing and repacking belt in box. No. 1 clears ejector tube and lock, and releases lock spring by pressing double button.