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In case you’re ever stuck in the dark: Here are some illuminating answers.

Frequently Asked Questions

How does the MH11/iH11R switch work and what happens when using the switch?

-          Ways of using the switch: single click (push and release), double click (push and release 2 x shortly within 0.5 seconds), keep switch pushed (push and not release for a certain time). The different ways of using the switch are associated with different functionalities.

-          General switch/app logic: Direct Control overrides switch and vice versa, also when lamp is connected with app.

-          Direct turning off and memory function: When a light function (any basic lamp mode) is selected via the physical switch, any further click on the physical switch within 5 secs will prompt the lamp to cycle to the next light function (or to turn off, when the end of the switch program sequence is reached). Any further click on the physical switch after 5 seconds pause will prompt the lamp to turn off directly. In this case turning on the lamp again will result in activating the last set light function, thanks to the memory function.

What are the three basic MH11/iH11R modes and how to change?

- There are three basic lamp modes, accessible via physical switch of the lamp (see also Quick User Guide):

·         Mode 1 (App mode): In this mode, the function of the physical switch of the lamp is defined by the individually programmed and composed light functions that have been created and stored on the lamp via app before (see also “Switch Profiles”). Mode 1 can be accessed by keeping the switch pushed until the red light LED blinks 1x after 8 secs (first, it will blink 4x after 5 secs to indicate lock mode activation. Please keep on pushing the switch without disruption for further 3 secs, until the red light LED blinks again 1x and the desired mode change has taken place). The MH11/iH11R will also automatically change to mode 1, once it has been connected to the app. It will stay in app mode also after disrupting connection unless it is not manually changed back to mode 2 or 3.

·         Mode 2 (White light): Optisense / Low Power / Mid Power / Power / Blink / Boost (double click within 0.5 sec.). Mode 2 can be accessed by keeping the switch pushed until the red light LED blinks 2x after 10 secs (first, it will blink 4x after 5 secs to indicate lock mode activation. After further 3 seconds the red light LED will blink again 1x as mode 1 has been reached. Please keep on pushing the switch for further 2 seconds without disruption, until the red light LED blinks 2x and the desired mode change has taken place). Mode 2 cannot be re-programmed.  

·         Mode 3 (RGB): Red light / Blue light / Green light / Boost (double click within 0.5 sec). Mode 3 can be accessed by keeping the switch pushed until the red light LED blinks 3x after 12 secs. (first, it will blink 4x after 5 secs to indicate lock mode activation. After further 3 seconds the red light LED will blink again 1x as mode 1 has been reached and after further 2 seconds it will blink 2x as mode 2 has been reached. Please keep on pushing the switch for further 2 seconds without disruption, until the red light LED blinks 3x and the desired mode change has taken place). Mode 3 cannot be re-programmed.  

How to connect the lamp with a smartphone? How to disconnect?

-          How to connect: Start app, turn on lamp via switch, click on “connect” within 120 secs after turning on the lamp. When no connection takes place, the app will stop the connection procedure after 15 seconds. The connection procedure can also be manually disrupted via the “cancel” button.

-          Disconnect manually: Click on “leave Icon” (rectangle with arrow) in main menu of app (upper left corner).

-          Disconnect automatically: Turn off smartphone, set smartphone to lock screen/screensaver kicks in (depends on smartphone model and setting).

What are the requirements, preconditions and limitations concerning connection and disconnection? Is there any other useful information?

-          Connection is not possible during charging.

-          Connection range: The Smartphone always connects to nearest ready-for-connection lamp within 1.5 m range. Once connected, the lamp can be moved further away from the smartphone.

-          Location services of the smartphone have to be set to work.

-          Connection is always possible in any basic mode (see above or QUG for different modes).

-          Detailed Bluetooth turn on/off information:  Each time the lamp is switched on via the physical switch in any mode and light function, Bluetooth is activated. The lamp is now ready for connection with the smartphone via app for 120 seconds. Afterwards the Bluetooth function is deactivated and the lamp will not be available for connection anymore, even though the light is on.  When lamp is switched off without having been connected to smartphone within the 120 seconds period, Bluetooth function will be deactivated. Once the lamp has been connected to the smartphone, it will constantly stay connected as long as the app is running, no matter if the lamp has been switched off via switch or via the app itself in between. When the app has been ended/closed or the connection to the smartphone has been disrupted in any other way (e.g. screensaver kicks in), the Bluetooth function will stay activated for another 120 seconds and afterwards turn off. If the lamp is on (any light function) during disconnection, the smartphone can be quickly reconnected to the lamp via app by clicking on “connect” within this 120 seconds period – using the lamp switch again is not necessary. If the lamp has been turned off via app shortly before disconnection, or the lamp has been turned off via switch before or shortly after disconnection, the Bluetooth function will be deactivated directly when connection to app is disrupted. In this case the physical switch of the lamp needs to be used again for re-connection.  

-          Connection indication: Lamp will blink 2x with green light when it connects/disconnects, profiles are sent to the lamp, or on/off timer are selected.

-          The app always starts with the connection screen. Once it is connected, it will open the main menu.

-          Advisory text shown in app:

o   Turn on headlamp to establish connection with app and click on "connect". Close app to disconnect. Connection or disconnection is indicated by flashing green LED.

How do I navigate through the app? Is there anything else to know?

-          You can always return to main menu by swiping across the screen from left to right or by clicking on the main menu symbol (three white lines) on the upper left screen.

-          Battery status indication of the lamp (in %) is positioned on the upper right screen (not visible in main menu).

-          SOS function: Continuous emission of light impulses in the SOS interval can be started via the SOS symbol on the upper right screen of the main menu. As long as the SOS function is active, other light functions cannot be accessed via app. 

What can I do when an unexpected error occurs (connection errors, errors during normal operation with or without app, see also reset procedure for the latter)?

-          Make sure, location services of smartphone are activated.

-          Disconnect the app manually via “leave icon” and retry the connection procedure.

-          If it does not help, force the app to stop and retry the connection procedure.

-          If it does not help, force the app to stop, open and close battery cap (LED will shortly blink) and retry the connection procedure (reset procedure) -> any set timer function will stop and have to be set up again. Reset procedure may also work with unexpected lamp errors, even when lamp is not connected to app.

What is Direct Control and which functionalities does it contain?

-          In Direct Control, all common light functions (except Boost, Strobe, SOS, Timer and Interval) can be directly selected and activated. Clicking on a function will prompt it to turn on:

o   Constant Light: light output can be selected step less via fading bar. Output is always regarded as percentage of what is possible at that time (depends on heat and battery level).

o   Energy Saving: Three preset levels (Power, Mid Power, Low Power).

o   Blink: preset blink interval.

o   Multicolor light: Red light, green light, blue light.

o   Optisense: Adapts light automatically to environmental light conditions.

-          Memory function does not work with Direct Control. Once the lamp has been turned off and on again via the physical switch in Direct Control, it will start with the most recent switch profile program that has been sent to the lamp. The light function that has been set via Direct Control before will not be memorized. 

What are the requirements, preconditions and limitations concerning the On-timer? Is there any other useful information?

-          The On-timer prompts the lamp to turn on at a pre-selected time within the upcoming 24h period at 150 Lumens in Constant Light mode. When the light turns on via on-timer, it will automatically turn off again after 20 minutes (except it has been manually turned off already before the 20 minutes period is over).

-          The On-timer is synchronized automatically with the smartphone clock at the time the smartphone connects with the lamp, thus a certain a.m. or p.m. time can be selected.

-          The On-timer can only work for one time, when it has been set. It will not work repeatedly and has to be set again for any new automatic turn on activity.

-          The On-timer will also work, when the lamp is being charged.

-          The On-timer will work regardless, if the lamp has been switched on and off again in the time period between activating the On-timer and the selected turn on time.

-          The On-timer does not work when the lamp is already turned on before the selected turn on time has been reached.

-          The On-timer can only be activated directly from the app. It cannot be activated via the physical lamp switch or be added to switch profiles.

-          On- and Off-timer cannot be used at the same time. If On-timer is selected on and afterwards Off-timer is also selected to on, the On-timer will automatically switch off and vice versa.

-          Timer help text in App:

o   On-Timer and Off-Timer: You can define the time when the light turns on or off automatically. You can also alter the turn on and turn off speed with the fading bar. It will prompt the light gradually dim down as it turns off or gradually become brighter when it turns on - to wake you gently, for example. Activate the On-Timer or Off-Timer with the toggle button. A flashing green LED indicates successful activation of the timer function. On- and Off-Timer don't repeat automatically and have to be reactivated after each timer period has been completed. On-Timer and Off-Timer cannot be activated at the same time.

How do I set up and activate/deactivate the On-Timer?

-          Select time: Click directly on the time indicator (left side on the screen) or on the pen symbol (right side on the screen). A window for time selection opens.

-          Additionally, select dimming function: The user can set the dimming on speed of the light via the fader bar at any speed between 1 and 10 minutes. If the fader bar remains at “0” (default setting), the light turns on immediately. Dimming will always start with selected on-time. The 20 minutes on period will count once the light has reached the full 150 lumens (in the most extreme dimming setting, the time between start of dimming on and automatic turn off can be 30 mins). The dimming on function can be used e.g. to simulate sunrise for waking up gently.

-          Activate On-timer and send to lamp: select toggle button on the right side on the screen to on position (it turns red). The activation of timer is confirmed by the lamp with 2 x blinking green LED.

-          Deactivate: The On-timer can be turned off via app, by changing basic modes (e.g. to 2 or 3) or by applying the reset procedure. Deactivation or change of the On-timer is confirmed by 2 x blinking green LED.

What are the requirements, preconditions and limitations concerning the Off-timer? Is there any other useful information?

-          The Off-timer will prompt the lamp to turn off after a pre-selected time period has passed by within the upcoming 60 minutes.

-          The Off-timer is not synchronized to the smartphones’ clock – so only a maximum 60 mins time period can be selected after which the light will turn off.

-          The Off-timer can only work for one time when it has been set. It will not work repeatedly and has to be set again for any new automatic turn off activity.

-          The Off-timer work for all light functions, except for SOS.

-          The Off-timer will also work, when the lamp has been switched off and on again in between or when the light mode has been changed in between.

-          The Off-timer does not work when the lamp is already turned off before the selected off-time has been reached.

-          The Off-timer can only be activated directly from the app. It cannot be activated via the physical lamp switch or be added to switch profiles.

-          On- and Off-timer cannot be used at the same time. If On-timer is selected on and afterwards Off-timer is also selected to on, the On-timer will automatically switch off and vice versa.

-          Timer help text in App:

On-Timer and Off-Timer: You can define the time when the light turns on or off automatically. You can also alter the turn on and turn off speed with the fading bar. It will prompt the light gradually dim down as it turns off or gradually become brighter when it turns on - to wake you gently, for example. Activate the On-Timer or Off-Timer with the toggle button. A flashing green LED indicates successful activation of the timer function. On- and Off-Timer don't repeat automatically and have to be reactivated after each timer period has been completed. On-Timer and Off-Timer cannot be activated at the same time.

How do I set up and activate/deactivate the Off-Timer?

-          Select time: Click directly on the time indicator (left side on the screen) or on the pen symbol (right side on the screen). A window for time selection opens.

-          Additionally, select dimming function: The user can set the dimming off speed of the light via the fader bar at any speed between 1 and 10 minutes. If the bar remains at “0” (default setting), the light turns off immediately. Dimming starts with selected turn off time. Dimming does not work with Optisense. 

-          Activate Off-Timer and send to lamp: select toggle button on the right side on the screen to on position (-> „red“). The activation of off-timer is confirmed by the lamp with 2 x blink of green LED.

-          Deactivate: The Off-timer can be turned off via app by changing basic modes (e.g. to 2 or 3) or by applying the reset procedure. Deactivation or change of the Off-timer is confirmed by 2x blinking green LED.

What are the requirements, preconditions and limitations concerning the interval function? Is there any other useful information?

-          The lamp can be prompted to blink (= go off and on again) repetitively to indicate that a certain time interval has passed by. For example: in a 10 minutes interval the lamp will blink (= go off and on again) every 10 minutes repetitively.

-          Possible interval time span: 1-60 minutes.

-          The interval function only works, when the light function, for which the interval has been selected, is running.

-          The interval function works with all light modes except for SOS and Blink.

-          The interval function must always be associated to a light function within a switch-profile that has been individually composed by the user and sent to the lamp upfront and it can then only be activated and deactivated by using the physical switch in mode 1 (by turning on or off the light function to which the interval has been assigned). It cannot be activated/operated directly via app in real time (see “How to set up and activate interval”).

-          Once the interval has been disrupted (switch off lamp, change mode/light function), the interval will start again from the beginning.

-          Interval help text in App:

o   When interval is activated, the lamp will shortly blink every time a selected time interval is over (1-60 minutes). The cycle repeats continuously until the associated light function has been turned off. Smart Blink will prompt the lamp to blink in a cumulative order. Example: lamp will blink 1x after 10 minutes, 2x after 20 minutes etc. To use a selected interval, please store it. Afterwards go to switch profiles and assign the interval to any light function. Intervals cannot be used without switch profiles.

How do I set up and activate/deactivate an interval?

-          Select/click on one of 6 possible interval slots.

-          Select a time interval (1-60 mins) via the fader bar.

-          The name of the interval can be changed by clicking into the text field (names that already exist cannot be selected twice). If the name is not changed, the automatically assigned default name will remain.

-          Additionally, select smart blink: select toggle button on the right side on the screen to on position (it turns red). Smart blink will result in accumulative interval blinks -> the light turns off and on as many times as the number of intervals that have passed by. For example, with 10 mins interval and smart blink selected: 1x blink after 10 mins, 2x blinks after 20 mins, 3x blinks after 30 mins and so on.

-          Store interval.

-          Go to switch-profile menu and assign the created interval to a light function of an existing or new switch-profile (see also “Switch-Profiles”).

-          After sending the switch-profile successfully to the lamp, the interval can be selected and activated with the associated light function via the physical switch of the lamp. The interval starts directly together with the light function and also ends with it, as soon as the lamp is being switched off or a light function without interval is selected. 

What are the requirements, preconditions and limitations concerning switch profile? Is there any other useful information?

-          The lamp switch can be individually programmed according to the consumer’s needs in terms of scope and composition of all available light modes and pre-saved intervals, except for SOS.

-          The individual switch profile can always be selected and operated by using the physical switch of the lamp in basic mode 1 (app mode). The basic mode 1 is the standard mode and will always be automatically set after connecting with a smartphone via app, even when mode 2 or 3 has been selected before. The lamp will stay in basic mode 1 also after disconnection and until mode 2 or 3 has been manually selected.

-          After programming and sending the individual switch profile to the lamp, it reflects the light functions of basic mode 1 of the lamp, as long as the switch profile is not changed/replaced by a new switch profile via app.

-          As a default switch profile the basic app mode 1 will have the same white light standard functions as basic mode 2 preinstalled.

-           Profile help text in app for profile selection:

o   Program the switch of the lamp with individually created sequences of light functions. Up to eight switch profiles can be created, e.g. for different activities. To create a switch profile, tap on the switch profile slots. Tap and hold to send switch profile to lamp or for further options. Flashing green LED indicates successful transmission to lamp.

-          Profile help text in app for profile creation:

o   A switch profile can be composed of up to six individually selected light functions. After sending the profile to the lamp, the light functions can be activated in the desired order by using the switch of the lamp. Intervals that have been created and stored before can be assigned to single light functions. Special light functions such as Boost or Strobe can be assigned to each profile by using the Double Click function. 2 quick consecutive clicks on the switch of the lamp will activate the special function.

How do I set up a switch profile and sent it to the lamp?

-          Select/click on one of 8 possible switch profile slots.

-          The name of the switch profile can be changed by clicking into the text field (names that already exist cannot be selected twice). If the name is not changed, the automatically assigned default name will remain.

-          If desired, assign Double Click with a special function: Click on the pen symbol or the text field in the Double Click line and choose from “Not assigned” (no special function, default setting for new switch-profiles), special function “Boost” or special function “Strobe”.  With one of the two special functions assigned to Double Click, two quick consecutive clicks on the physical switch of the lamp (<0.5 sec) will activate the special function directly, no matter if any other light function has been active before or the lamp has been switched off  (as long as basic mode 1 has been set). When no special function has been set for Double Click (=”Not assigned”), quickly using the physical switch of the lamp will allow fast cycling through the individually composed switch profile in basic mode 1. When boost is set as special function and activated via double click, it will run for maximum 10 seconds, but it can also be deactivated again by a single click on the physical switch before the 10 seconds have passed by. When boost is deactivated, the lamp returns to the light function that has been active before or switch off again. When strobe is set as special function and activated via double click, it will keep running until it is deactivated by a single click on the physical switch (no 10 seconds limit). When strobe is deactivated, the lamp returns to the light function that has been active before or switch off again. Profile help text in app for double click function:

o   Via the Double click function the special function can be activated at any time

-          Click on any of the 6 light function slots under “compose switch profile” to add a light function. Each slot reflects one single click on the physical switch. The top -> down hierarchy of slots shown in the app reflects the physical switch sequence (chronological order of what happens when using the physical switch). Example: when the light function selected in the uppermost slot is red light mode, red light will be activated when using the physical switch 1 x from off mode. When in the second slot below the uppermost slot Energy Saving Low Power is selected, 2 consecutive clicks (<5 secs or 0.5 < 5 secs; depending on assignment of special function like boost mode) from off mode will activate Energy Saving Low Power go on. The slots can be moved up or down with the up or down arrows next to the slots to change the switch profile sequence. After clicking on one of the slots, a window opens with the following functionalities in menus and submenus to choose from (for this specific slot within a switch profile):

o   Energy Saving

§  Power

§  Mid Power

§  Low Power

§  Interval settings (optional):

A preset and stored interval can be added. The interval is valid for the selected Energy Saving output mode and only for the associated slot.  

o   Constant Light

§  High

§  Middle

§  Low

§  Individual -> stepless output selection via fader

§  Interval settings (optional):

A preset and stored interval can be added. The interval is valid for the selected Constant Light output mode and only for the associated slot.

o   Blink

o   Multicolor Light

§  Red

§  Green

§  Blue

§  Interval settings (optional):

A preset and stored interval can be added. The interval is valid for the selected multicolor light function and only for the associated slot.

o   Optisense

§  Interval settings (optional)

A preset and stored interval can be added. The interval is valid for Optisense and only for the associated slot.

- When a newly created or changed profile is saved and sent to the lamp, a successful transmission is indicated by 2 x blinking green LED