BÜTTNER ELEKTRONIK – Batterie-Control-Booster MT BCB 30/30, MT BCB 40/40, MT BCB 60/40
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4.3. Control panel and display
6 LEDs to
display
operating
On/Off-push button
for night mode
4.4. Functions of the push-button
1. Night mode
The BCB can be operated in night mode
for noiseless operation. Briefly press the
button (1 s) to switch the cooling fan to
the lowest speed. Only the “Current”
LED lights up weakly as operating indi-
cator. Reset and normal operation take
place either automatically after 10 hours
have elapsed or when the button is
pressed again.
2. AC Power Limit – Funktion
Enables operation of the device with
reduced power on weak local power
grids, e.g. weak fused camp site, mains
power supply, or generator operation.
Activation takes place by pressing the
push-button (4 s). Display: “Power” LED
is switching off briefly every 2 seconds.
Remarks
i
• Activation possible at any time,
even without a mains connection!
• The power consumption of the device
from the mains is kept below 2 A, the
charging current for the batteries and
12 V-consumers can still be more than
25 A.
• Night mode is activated at the same time!
Return to normal operation with full
charging power:
• Manually possible any time by pressing
the button again (approx. 4 s), or
• Automatically while driving and booster
mode