Instruction manual

85
WBU-3
The operating time of a WBU-3 with a WMU-3 and a
WFU-3 is approx. 12 hours.
• The capacity of the WBU-3 battery is displayed with 5
LEDs ➪ photo.
• By pressing the BAT-key ➪ photo the LED display is
activated about 4s. One LED stands for 1/5 of the
loaded capacity.
WBU-3 and WBU-4 batteries must only be discharged
within a temperature range of -20°C to +60°C
(-4°F to +140°F), and are charged within a
temperature range between 0°C and + 50°C
(32°F to 122°F).
WBU-4
The operating time of a WBU-4 with a WMU-3 and a
WFU-3 is approx. 24 hours.
• The capacity of the WBU-4 battery is displayed with 5
LEDs ➪ photo.
• By pressing the BAT-key ➪ photo the LED display is
activated about 4s. One LED stands for 1/5 of the
loaded capacity.
BAT-LED
WMU-3
charge control
LEDs
BAT-key
Operation