User manual SIGMA EF-530 ST SA-STTL

[. . . ] Otherwise the bright light could damage the eyes. Keep at least 1m/3feet distance between face and the flash unit, when taking a picture with flash. Do not touch the synchro terminal of your camera when the flash is attached to hot shoe. High voltage circuitry could cause electric shock. [. . . ] Battery performance decreases at low temperatures. Keep batteries insulated when using the flash in cold weather. As with any flash, it is recommended you carry spare batteries when on a long trip, or when photographing outdoors in cold weather. BATTERY LOADING 1. Be sure to set the Power Switch to the off position then slide, the battery cover in the direction of the arrow to open (fig. 2). 2. Insert four AA size batteries into the battery chamber. Be sure the + and ­ ends of the batteries are aligned according to the diagram in the chamber (fig. 3). 3. Slide the Power Switch to the ON position. After few seconds, the Ready Lamp will light, indicating that the flash unit can be fired. 5. Please press the "Test Button" to be sure that the flash is working properly. If the battery power is not sufficient, or if there is an electronic information error, the flash coverage angle indicator will blink to indicate the condition. ATTACHING AND REMOVING THE FLASH TO AND FROM THE CAMERA Be sure turn off the Power Switch. Then insert the Shoe Base into the hot shoe on the camera and turn the Shoe Locking Ring until it is tight (fig. 4)(fig. 5). When you attach or remove the flash, grasp the bottom of the flash to prevent damage to the shoe foot and camera's hot shoe. If the camera's built-in flash is set in up position, please close it before you attach the flash unit. To remove the flash, rotate the shoe-locking ring in the opposite direction of LOCK mark, until it stops. TTL AUTO FLASH In the TTL AUTO Mode, the camera will control the amount of flash lighting to get the appropriate exposure for the subject. Set the camera's exposure mode to P Mode. (In the case of SA-300, SA-300N and SA-5 set to " * " fully automatic mode) 2. Slide the Power Switch to the TTL Position. If the flash coverage angle indicator blinks when you turn on the power of your flash, please make sure that the flash head bounce angle is adjusted to the normal (0°) position. Press the shutter button after the flash is charged. After a picture is taken, and the film receives appropriate exposure, the Ready Lamp will blink. If the Ready Lamp does not blink, it indicates that the flash light was not sufficient for that particular situation. Please retake the picture at a distance closer to the subject. The AF Auxiliary Light will turn on automatically as you focus on a dark area. [. . . ] Guide Number will change according to the Zoom Head position, (seechart. 2). Guide Number will also change according to film speed (ISO), (seechart. 3). In the case of non-ISO100 speed films, multiply the chart. 3 number by the chart. 2 number. For example, using ISO400 film, Zoom Head position for 50mm and the MH mode; multiply thechart. 3 number "2" by thechart. 2number "40": 40×2=80. [. . . ]