User manual DEWALT DCD950VX

[. . . ] X Indicates that the battery pack is not compatible with that specific charger. Read the instruction manual for more specific information. 623358-00 Copyright © 2003, 2004 The following are trademarks for one or more DEWALT power tools: the yellow and black color scheme; the "D" shaped air intake grill; the array of pyramids on the handgrip; the kit box configuration; and the array of lozenge-shaped humps on the surface of the tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious personal injury. [. . . ] uSING AUTOMATIC TUNE-UPTM MODE The automatic Tune-UpTM Mode equalizes or balances the individual cells in the battery pack allowing it to function at peak capacity. Battery packs should be tuned up weekly or after 10 charge/discharge cycles or whenever the pack no longer delivers the same amount of work. To use the automatic Tune-UpTM, place the battery pack in the charger and leave it for at least 8 hours. The charger will cycle through the following modes. Your battery can be charged in DEWALT 1 Hour Chargers, 15 Minute Chargers or Vehicular 12 volt charger. Be sure to read all safety instructions before using your charger. Consult the chart on the back cover of this manual for compatibility of chargers and battery packs. If the new battery pack elicits the same trouble indication as the original, have the charger tested at an authorized service center. HOT/COLD PACK DELAY Some chargers have a Hot/Cold Pack Delay feature: when the charger detects a battery that is hot, it automatically starts a Hot Pack Delay, suspending charging until the battery has cooled. The red light flashes long, then short while in the Hot Pack Delay mode. pROBLEM POWER LINE Some chargers have a Problem Power Line indicator. When the charger is used with some portable power sources such as generators or sources that convert DC to AC, the charger may temporarily suspend operation, flashing the red light with two fast blinks followed by a pause. This indicates the power source is out of limits. LEAVING THE BATTERY PACK IN THE CHARGER The charger and battery pack can be left connected with the red light glowing indefinitely. The charger will keep the battery pack fresh and fully charged. NOTE: A battery pack will slowly lose its charge when kept out of the charger. If the battery pack has not been kept on maintenance charge, it may need to be recharged before use. A battery pack may also slowly lose its charge if left in a charger that is not plugged into an appropriate AC source. WEAK BATTERY PACKS: Chargers can also detect a weak battery. Such batteries are still usable but should not be expected to perform as much work. In such cases, about 10 seconds after battery insertion, the charger will beep rapidly 8 times to indicate a weak battery condition. Plug the charger into an appropriate outlet before inserting battery pack. [. . . ] Dirt and grease may be removed from the exterior of the charger using a cloth or soft non-metallic brush. Do not use water or any cleaning solutions. To utilize the hammer feature of your tool, rotate the collar to align the hammer symbol with the arrow shown in Figure 3. The hammering position is for hammer drilling in soft concrete and masonry such as brick, mortar and soft ceramics. [. . . ]