Wubei Zhi (Vol. 32)

Every · person · once they · hear · the · cannon · sound · after · which · all · previous · marching · orders · for advancing · or stopping · are · suspended ·
Focus · solely · on · seeing · what · flags · and banners · are · changed · and what · signal · sounds · are · heard · and · immediately · follow · them ·
so that matters are not mismanaged.

Tenth: Explaining the Gong Signals

Regarding all military drums and music, as well as acoustic signals like the reed pipe Original: Dibaoluo (笛哱囉). A high-pitched, trumpet-like reed instrument used specifically for transmitting orders over the noise of camp or battle.,

trumpets · gongs · and cymbals · and similar · instruments · whenever · a halt · is desired · the gong Original: Jin (金). Literally "metal," referring to the zheng, a bronze percussion instrument used to signal a stop or retreat. · must be struck · once · Those · who are · in action · upon hearing · the
gong · will immediately · stop · and listen · for a new · order · afterward · and then · act · according · to that · new · order · Striking · the gong · three · times ·
means · to retreat · the troops · Striking · the gong · twice · means · to sound · the gongs · and drums · for musical · performance ·

Eleventh: Explaining Flag Hierarchy

Each · camp's · squad · leader · watches · the flag · held · by their · own · Flag Chief Original: Qizong (旗總). A junior officer or NCO in charge of a flag unit. · The Flag · Chiefs ·
watch · their · own · Centurion's Original: Baizong (百總). Literally "leader of a hundred," a company-level commander. · held · flag · The Centurions · watch · their · own · Section Commander's Original: Bazong (把總). A mid-level officer who oversaw several companies. · signal · flag · The Section Commanders · watch · their · own...