Nikon 50DX Instruction Manual - Page 33
Notes on Batteries, Speedlight Care
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Speedlight Care • Cleaning Speedlight Use a blower brush to remove dirt and dust from the SB-50DX and clean it with a soft, clean cloth. After using the SB-50DX near seawater, wipe the SB-50DX with a soft, clean cloth slightly moistened with pure water to remove salt, and then dry it with a dry cloth. NEVER use organic solvents like thinner or benzene. They may damage the SB-50DX. On rare occasions, the LCD may turn on or turn dark due to static electricity. This is not a malfunction. The display soon returns to normal. • Do not subject the SB-50DX to strong vibration or shock Do not drop the SB-50DX or hit it against a hard surface as this may damage its precision mechanism. • Avoid strong electric or magnetic fields The SB-50DX may not function properly in strong electric or magnetic fields such as near a transmitter tower. Avoid using the SB-50DX in such locations. • Store the SB-50DX in a cool, dry place Store the SB-50DX in a cool, dry place to prevent mold and mildew. Keep it away from naphthalene or camphor (moth repellent), electrical appliances that generate magnetic fields or an excessively hot place such as inside a vehicle during the summer or near a heater. • Avoid extreme temperature change An extreme temperature change can cause condensation inside the SB-50DX. When taking the SB-50DX to a very hot place from a very cold place or vice versa, place it inside an airtight container such as a plastic bag and leave it inside a while to expose the SB-50DX gradually to the temperature change. • Avoid water or moisture Keep the SB-50DX away from water or moisture. When using the SB-50DX near water, guard against splashes, especially salt water spray. • Remove the batteries and store the SB-50DX with a desiccant If you do not intend to use the SB-50DX for a long time, remove the batteries to protect the SB-50DX from battery leakage. • In a humid environment, store the SB-50DX inside a plastic bag with a desiccant to keep out dust, moisture and salt. Note, however, that storing leather cases in vinyl bags may cause the leather to deteriorate. Keep the batteries in a cool, dry place away from heat or humidity. • Change the desiccant occasionally since it does not absorb moisture effectively after a while. • Leaving the SB-50DX unused for a long period of time may cause mold to grow and result in malfunction. To maintain the Speedlight in peak condition, fire it a few times every month. This will enable you to use the flash for many years. 64 Notes on Batteries WARNING Do not leave Keep batteries out of children's reach. If someone accidentally swallows batteries, call a doctor immediately. • Use two CR123A or DL123A type lithium batteries Use two fresh CR123A or DL123A type lithium batteries. Do not mix different types of batteries. • Change the batteries well before the end of their life and prepare spare batteries before important photographic occasions. • Turn the SB-50DX's power off when changing batteries Turn the SB-50DX's power off before changing batteries and insert the batteries with ´ and ‰ ends positioned correctly. • Stains on the battery poles may cause lack of contact. Wipe the batteries well with a dry cloth before installing. • Use fresh batteries at low temperatures Battery power diminishes at extremely low temperatures and the SB-50DX may not function properly with old batteries. Use a fresh set of batteries at low temperatures, keep spare batteries warm, and use them alternately. • Flash recycling time slows down and number of firings per set of batteries becomes less at low temperatures. However, battery power usually recovers when the temperature returns to normal. • Do not throw batteries into a fire or short circuit batteries Do not throw batteries into a fire. Do not short, disassemble, heat or charge batteries. Nikon cannot be held responsible for any malfunction resulting from the use of the camera other than as specified in this manual. 65 Miscellaneous
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