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OPERATION - TM-55-1930-209-14P-12_146
MAINTENANCE AND CARE

TM-55-1930-209-14P-12 Water Purification Barges (NSN 1930-01-234-2165) Lighting System Manual
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TM 55-1930-209-14&P-12 HANDHELD POWER SOURCE GENERAL The   HX500S   is   equipped   with   a   CNB4   battery   pack,   which   is   the   recommended   power   source   for   the   handheld transceiver.      The   CNB4   consists   of   nine   individual   nickel-cadmium   batteries,   encased   in   the   lower   case   of   the transceiver.    It  supplies  the  7.5  volts  direct  current  required  for  proper  operation.    To  remove  the  CNB4  from  the handheld, there is a button on the right side.  This button will unlock the battery.  Turn the bottom portion of the handheld to remove it from the upper portion.  To replace it, simply attach the lower portion properly, and turn it until it locks into place. BATTERY CHARGING The   operational   characteristics   of   the   nickel-cadmium   (ni-cad)   batteries   under   load   are   different   than   those   of conventional alkaline or lead-acid batteries.  A ni-cad battery will maintain its operational voltage output level until it is near complete discharge, when the voltage level will drop abruptly.  For this reason, it is difficult to determine its state of charge. The CNB4 battery pack incorporates charging contacts at the bottom.  Designed for use with the CSA50 Drop-in Charger, the battery pack may be charged when it is connected to or separate from the transceiver. The CSA50 will slow charge the CNB4 in approximately six (6) hours.  To operate the charger, plug it into the specified power source, then insert the battery pack into the charger.  The contacts of the charger must connect to those of the battery pack, so be sure to insert the battery pack correctly.  A red light on the charger will illuminate to indicate that the contacts are connecting and the battery pack is being charged. NOTE:    The  CSA50  Drop-in  Charger  features  a  switch  at  the  back  for  selecting  the  desired  charging voltage of 120 or 240 VAC. 7







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