Bedienungsanleitung Busch and Müller Lumotec IQ2 Luxos Fahrradlampe

Bedienungsanleitung

LUXOS U Specific instructions and information

Efficient use of energy:

Distribution of energy for light and functions

LUXOS U creates a homogenous field of light that is up to 800% brighter

and 200% wider than required by German road traffic regulations.

Please note: Lighting of the road varies depending on speed, operating

mode and charging status of the integrated cache battery. The slower

one cycles (below 15 km/h) the brighter the road immediately in front

of the bicycle is lit (panorama light at close range, see below) while the

far range is darker. When the velocity increases, the light distribution is

reversed.

The LUXOS U offers functions and features that no other previous head-

light had. Hub dynamo energy is used with maximum efficiency. Output

of currently known hub dynamos might deviate by up to 40%. By nature,

this energy is limited and insufficient to always power all functions of the

LUXOS at full power simultaneously. Therefore, the energy use has to be

controlled and distributed reasonably:

 Headlight switched on

The integrated cache battery is charged during cycling while at the

same time the light shines. During the short while it takes for the

battery to charge, the light output is reduced. As soon as the cache

battery is charged, the maximum energy is available to the light func-

tions: panorama light at close range, floodlight, daytime running light,

standlight. When the light is switched on, the battery is recharged

when the velocity exceeds 15 km/h, while the use panorama light at

close range, floodlight or standlight discharges the battery.

 Headlight switched off

Only when the headlight is switched off, USB charging energy can

continually be provided at more than 100 mA. (See below: USB char-

ging.) Charging energy is stabilised by the cache battery, so even

sensitive mobile devices may be charged. Due to the limited amount

of energy, no light functions are available during charging.

 Parked bicycle

If the integrated battery was charged during cycling, the stored

energy can be used for charging or powering USB devices (limited

energy).

Panorama light at close range

Two additional LEDs in the “forehead” of the LUXOS shine onto the road

directly front and to the side of the bicycle and provide additional light

width at absolute close range. Panorama light at close range is controlled

automatically: When cycling slower than approx. 15 km/h, the panorama

light at close range activates automatically. The slower one drives, the

brighter this light gets. Floodlight mode also activates panorama light at

close range (maximum light output, only possible when cache battery is

charged).

Floodlight

When floodlight is activated, both the energy currently being provided by

the dynamo and the energy stored in the cache battery are used in their

entirety for maximum light output. Floodlight is ideal for rides in pitch

darkness and when abruptly switching from bright to dark surroundings.

It can also be used as a flashing headlight. Floodlight is aided by the

lithium cache battery and shines as long as the energy reserve allows. (If

the cache battery is fully charged and if one cycles at approx. 25 km/h,

roughly 15 minutes of floodlight are available.) Floodlight is switched

using the push buttons (quick push, ON/OFF). Floodlight duration is limi-

ted (available until the cache battery is exhausted).

Standlight

LUXOS U continues shining when the bicycle stands still. The technology:

During cycling, part of the dynamo energy is stored in the lithium cache

battery. When standing still, this energy powers the headlight’s LEDs so

that the headlight continues to shine. Standlight can be deactivated pre-

maturely with a long push on any button.

Switching options

The LUXOS U has a push button on its casing as well as a separate hand-

lebar push button. Connection of the handlebar button is optional. We

recommend this connection, because only then USB charging is available

and because floodlight and flashing headlight can easily be triggered

while cycling.

The headlight push button and its indicator LEDs 2

0 = Headlight off. No LED indication.

S = YELLOW indication: headlight ON. Light/dark sensor activated –

switches automatically between day and night mode.

= BLUE indication: 1. Floodlight activated. 2. Flashing headlight.

RL = GREEN indication: rear light monitor (see below)

The handlebar push button: mounting 3 4

The push button is mounted to the handlebar using a rubber band or cable

strap. Open the rubber cap on the right side of the headlight casing. Firmly

insert the cable (lug jack) as far as it will go.

The L-shaped lug jack has to point downwards for safe operation, this also

forms a draining sling for rainy weather or splashing water.

Please note: Ensure a proper fit of the lug jack in the headlight to pre-

vent faulty operation! Guide the cable in a way so the lug jack may not

inadvertently be pulled out of the connector.

Please note: Keep rubber cap closed when not using the handlebar

button – moisture on the lug jack or inside the connector compromise the

headlight’s functions. Liability for such damages is excluded.

The handlebar push button and its indicator LEDs 4

BLUE = 1. Floodlight activated 2. Flashing headlight

RED = USB charging energy available

Operation of handlebar and headlight push button

Long push (> 1 sec.)

• Headlight ON/OFF

• In standlight mode: standlight off

Quick push

• When headlight is switched on, during cycling:

floodlight ON/OFF

• When headlight is switched on, during parking in standlight mode:

switch between regular and super bright standlight

• When headlight is switched off, during cycling or parking:

flashing light ON/OFF

USB charging energy 5

Integrated into the handlebar button below a rubber cap is a USB socket

which can be used to charge or power USB devices. During rain, the USB

socket cannot be used and the rubber cap has to remain closed (alterna-

tively, the socket may be protected against moisture e.g. by sheathing it

in plastic).

A red LED in the handlebar button indicates when USB charging power is

available. This is the case when the integrated cache battery (see below)

has sufficient energy available. Connected devices are provided with 5 V

and up to 1 A current. The charged cache battery keeps the energy supply

constant during slow rides and stops so that sensitive mobile devices may

be charged. If the charge of the cache battery drops below a certain level,

USB energy supply is interrupted (red LED ceases shining) until the battery

is sufficiently charged once more.

Tip: Before a USB device is connected, cycle for some minutes with the

light switched off so the cache battery has sufficient basic charge.

Permanent USB charging with more than 100 mA is only possible when

all light functions are switched off. When the cache battery is charged,

simultaneous charging and use of the light function is temporarily possible.

The duration of this depends on the charging status of the cache battery,

the cycling speed, the quality of the dynamo and the energy demand of the

connected USB device. While the cache battery discharges, the light output

diminishes. As soon as the light output drops below 20 Lux, the USB ener-

gy is interrupted. The light will not deactivate during cycling.

It cannot be guaranteed that all connectable USB devices can be

powered/charged. Please contact the device manufacturer.

Please note: Most USB devices have an automatic charging deactivation

which provides overloads. If such a deactivation is not available but the

device shows the charging status, the device has to be disconnected from

the handlebar button as soon as it is fully charged. If neither automatic

deactivation nor charging status display are present, a warming battery is

a sign for overloading.

Function and output of the integrated lithium

cache battery

The lithium cache battery powers standlight, panorama light at close

range and floodlight. It also ensures that the charging energy emitted via

the USB socket is constant during slow rides and stops. When the cache

battery’s charge drops below a certain level, it ceases providing energy

until it once more possesses sufficient charge.

If the cache battery is empty, it takes about ten minutes of cycling at 15

km/h to charge it completely, if the headlight is switched of and no USB

devices is connected to the handlebar button.

While parking with the light system switched off, a fully charged cache

battery can supply a connected USB device with energy for approx. 4

minutes. For energy preserving reasons, the energy supply is interrupted

after that. By moving the bicycle, the USB energy supply can be reacti-

vated.

Please note: After longer periods of non-use, it may take several

seconds of cycling in order for light to be available. If the cache battery

is emptied and the headlight is not used for several months afterwards, it

takes approx. 20 seconds of cycling for the cache battery to be charged

so normal light function is possible. It is also possible that after a longer

period of non-use it takes several seconds of cycling before light is availa-

ble.

This can be prevented by charging the cache battery before a longer peri-

od of non-use (e.g. “hibernation”). To do this, it is sufficient to cycle for

ten minutes without using either light or USB charging functions.

Rear light monitor

In the headlight push button, the green LED (RL) shines constantly when

a rear light is connected to the headlight that functions properly. In case

of a short circuit or increased energy consumption of the rear light, the

green LED flashes. If the rear light fails, or if no rear light is connected,

the green LED ceases to shine.

Please note: If a rear light with standlight function is connected, an

empty standlight capacitor may lead to temporarily increased energy

consumption (green LED flashes).

Busch & Müller KG



58540 Meinerzhagen, Germany

Tel. +49(0)2354-915-6



[email protected]



www.bumm.de

LUXOS General instructions and information

Mounting

Mount the headlight to the bicycle securely using the pre-mounted stain-

less steel bracket or another suitable bracket. Adjust its height so onco-

ming traffic is not glared. The brightest section of the light field should be

in ten metres distance. Tighten screws so the headlight cannot shift posi-

tion by itself. After establishing the electrical connection and mounting, a

plastic cable guide (two parts, included) can be clipped around the bracket

to protect and hide the wires.

German traffic regulations require a white front reflector. To achieve this,

the enclosed reflector can be clipped onto the bottom of the headlight.

Please note: Always observe proper polarity: + = current, — = ground.

Ground connection via the headlight’s mounting bracket is not possible.

Connection to dynamo and rear light 1

Connect the cable coming from the dynamo to the push on contacts mar-

ked “in“ on the headlight. If no cable is connected to the dynamo yet, use

the included twin wires.

The push on contacts marked “out” are for connecting a rear light with

twin wiring. This connection has to be done with twin wiring and without

mass contact (i.e. no electrical connection to the bicycle frame). Rear

lights offering mass contact via their mounting screws have to be moun-

ted without electrical connection to the bicycle frame.

Daytime running light. LICHT24

The headlight is equipped with daytime running light and has two modes

of operation. The headlight is controlled by a light/dark sensor. During

bright conditions, the headlight functions in day mode. During dusk and

darkness the headlight automatically switches in night mode.

Day mode The headlight shines dimmed onto the road, the additional

daytime running LEDs shine with full intensity. Maximum

visibility for oncoming traffic!

Night mode The headlight shines with full brightness (70 Lux) onto

the road, the additional daytime running LEDs shine with

diminished intensity. Maximum vision, additional visibility

for oncoming traffic!

Further information

The overvoltage protection permanently guards the headlight, even if no

rear light is connected.

Please note: The headlight can only be powered by a dynamo (AC).

Connection to a DC power source (battery) is not possible.

Only special e-bike versions of the LUXOS E can accept DC power from 15

to 75 V. Please ask your specialised retailer.

Warning! Protect LUXOS against water damage: If the bicycle is

transported upside down on a car during rain or cleaned with water, the

headlight must be protected so that no moisture may enter via its bottom

apertures (e.g. by covering it with a plastic bag).

Our rear light tip: LUXOS is ideally combined with an energy saving rear

light – this leaves more energy for the various functions of the headlight!

With light strip technology LineTec and standlight: TOPLIGHT Line plus,

TOPLIGHT Flat S plus. Additionally with “brake light function” BrakeTec:

TOPLIGHT Line brake plus.

LUXOS B Specific instructions and information

LUXOS B creates a homogenous field of light that is up to 600% brighter

and 200% wider than required by German road traffic regulations.

ON/OFF switch 2

The LUXOS B is switched on or off using a push button on the rear of

the headlight. If the headlight is switched on, a yellow LED shines inside

the switch. If the bicycle is parked, the switching status is stored. After

longer periods of non-use it may take up to five seconds of cycling for the

switched-on headlight to shine.

Standlight

LUXOS B continues shining when the bicycle stands still. The technology:

During cycling, part of the dynamo energy is stored in a capacitor. When

standing still, this energy powers the headlight’s LEDs so that the head-

light continues to shine even if the dynamo supplies no energy. Standlight

can be deactivated prematurely by pushing the button.

Please note: The function

of interference-prone

wireless tachometers

may be affected by LED

headlights.

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Please note: Never

dispose of worn-out

rechargeable batteries

or electronic parts with

your domestic waste

but discard as hazar-

dous waste!

| Mounting and instruction manual

Daytime running light with

sensor

Standlight

Daytime running light with

sensor

Panorama light at close range

Floodlight (90 Lux)

Standlight

USB out

Handlebar button

Cache battery

Rear light monitor

Technical modifications reserved. 890054|1212

EN

2

1

3

4

5

Made in Germany

Anleitung_LUXOS_B_U_270x390_DE_EN.indd 2 21.11.12 14:19

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