DELTA LTL-XL Retroreflectometer 39
Battery status
The capacity of the battery can be seen from the icon in the upper icon row.
Indicates that the battery is fully charged
Shows that the charging is finished
Shows that charging takes place
Indicates that the capacity of the battery is half empty
The battery is almost empty and need recharging
Fuses
Two fuses are located in the battery compartment. The charger fuse protects the battery
against short circuit and other errors in the power supply or charging system.
The main fuse protects the battery and electronics against short circuit and other errors in the
electronic system. If the main fuse is removed no power will be drawn from the battery.
Always replace a blown fuse with one of equal rating See Electrical Characteristics pg. 46. To
change the fuses you need access to the battery compartment. See replacing battery pg. 38. Careful-
ly unscrew the plastic cap fuse holder by using e.g. a coin. Pull out the fuse from the cap and
insert the new one and reassemble
Lamp
The lamps are maintenance free LED lamps. Only trained personnel should replace the lamps
if damaged.