What does the English logo on a general digital camera mean?

The English logo of a digital camera indicates the model and brand of the camera, which is usually clearly marked on the camera. Such as OLYMPULS 3030 on Olympus camera, Nikon D 1 on Nikon camera and so on. Besides these, there are many signs, including English letters, Arabic numerals and special symbols. Photography should be familiar with the meaning of these marks in order to better play the role of the camera. First, some marks are explained as follows. The depth of field scale of CF(Compact Flash) digital camera memory card is engraved on both sides of the focus baseline, and there is a symmetrical aperture coefficient distance scale for reading the number of focus distances, which is engraved on the focus button of the lens focusing body around the lake. The distance is expressed in m and calculated in meters. The corresponding ft stands for the distance, which is the on or off button EE (electric eye), electronic shutter mark EV (exposure value), exposure index EC (exposure compensation) and exposure compensation EPS (electronic program shutter) of the DISP (display) LCD screen in feet. Electronic program-controlled shutter logo FES (all-electronic shutter) All-electronic shutter logo F or F (focal length) is engraved on the front pressure ring of the lens barrel, such as F = 50 mm (the pressure ring is also engraved with the lens number and the maximum relative aperture of the lens, such as 1: 4) f/ aperture coefficient ft (feet) FP (focal plane) uses the focal plane shutter single flash bubble synchronization sign LCD to indicate that the LCD digital display LED indicates that the exposure indicator in the viewfinder is LED. Lock the menu option menu M (manual exposure) non-automatic exposure sign, and adjust this gear to manually control the exposure m (meter) m (macro) macro shooting mode MC (multi-layer coating) multi-layer coating marking mode exposure mode selection button to turn off the overexposure indicator, mark p (program shutter) and automatically expose R or IR (infrared). Infrared focus mark SELF (self-timer) self-timer, self-timer S (shutter speed priority) shutter prerequisite automatic exposure SM (smart media card) A memory card T (timed exposure) T-gate mark of digital camera, indicating that after tightening the shutter string, press the shutter to start exposure, release the shutter button, the shutter will not close, and press the shutter button again to close.