Tonka ELF Informer User manual

ELF Informer
Tonka Products, LLC
ELF Informer
User Manual
Tonka Products, LLC Rev 1.1 1

ELF Informer
The ELF Informer is an instrumentation gauge for the ELF bike from Organic Transit. This will allow
you to monitor the battery, motor, solar panel and speed with an easy to use graphical user interface
(GUI). In addition it will also automatically turn off the turn signals so you never have to worry about
leaving them on again! The ELF Informer also adds a USB port so you can charge your portable
devices.
Feature List:
•Easy to use Graphical User Interface (GUI)
•Bar-graph indicators for Battery Voltage, Motor power and Solar Panel output
•Speedometer
•Double Blink Turn Signals
•Turn Signal indicators on the display
•Audible Turn Signal indicator
•Automatically turns off the Turn Signal
•Four way Hazard lights
•Flashing Brake Lights
•Adjustable brightness for the Headlights – Full power or Low power
•Odometer
•Trip Odometer
•Stopwatch
•Estimated Range before battery battery shuts down
•Adjustable units – MPH / KPH, Watts,Amps,Volts
•Select-able Horn output – Continuous, Single beep or Double Beep
•Back-lit display for night time viewing
•USB port for charging your external devices
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ELF Informer
Main Screen
The operation of the ELF Informer is based on a Graphical User Interface. All menus and settings are
accessed by the Touch Screen.
The Main screen is the default screen on power up. This will display the current status of the battery,
motor, solar panel and speed. The units of measure can be changed in the UNITS screen in the
CONFIG menu.
Main Screen features:
Battery bar-graph – Displays the battery voltage.
Motor bar-graph – Displays the wattage or current of the motor.
Solar panel bar-graph – Displays the wattage, current or voltage output of the solar panel. This does
not measure the output of the solar converter / charger. The output of the solar
converter / charger is the same as the Battery bar-graph.
Speed indicator – Displays the speed in either MPH or KPH.
Option Menu – This will select the Option menu to quickly access frequently changed items and the
Config Menu.
Turn Signals – These will indicate if the turn signals are on or if the hazard lights are on.
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Press here to access the
option menu
Motor
Bar-graph
Battery
Bar-graph
Solar Panel
Bar-graph
Speed
Indicator
Left Turn
Indicator Right Turn
Indicator

ELF Informer
Option Menu
The Option screen is used to quickly access the commonly used features. The Option menu is also used
to make changes to the operation of the ELF Informer through the Configuration screens.
Option Screen features:
Time Odo – Press this to go to the Time Odo screen.
Range – Press this to go to the estimated Range screen.
Main Screen – Press this to return to the Main screen.
Hazard Lights – Press this to toggle the Hazard lights on or off.
Head Lights – Press this to toggle the Head Lights from full power or reduced power. Some flickering
of the headlights is normal when in the low power mode. This is a function of the headlights
and can vary depending on the style of headlights.
Config – Press this to select the Config menu to make changes to the operation of the ELF Informer.
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Press here for the
Time Odometer
Screen
Press here for the
Range Screen
Press here to turn
ON or OFF the
Hazard lights
Press here to return
to the Main screen
Press for the
Configuration menu
Press here to adjust
the power to the
headlights – FULL
or LOW power

ELF Informer
Time Odometer Screen
The Time Odometer screen displays the Stopwatch feature, Odometer and Reset-able Trip Odometer.
Time Odometer Screen features:
Reset – Press to reset the Stopwatch.
Start / Stop – This will start or stop the Stopwatch.
Main Screen – This will go to the Main screen.
Option Menu – This will select the Option menu to quickly access frequently changed items and the
Config Menu.
Reset Trip – This will reset the Trip Odometer.
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Press to reset
the time
Press here to START
or STOP the timer
Press to return to
the Main screen
Press for the
Option menu
Press to reset the
TRIP odometer
Trip odometer
Non-resetable
odometer

ELF Informer
Estimated Range Screen
The Range screen will display the estimated range, speed and turn signals.
Range Screen features:
Turn Signals – These will indicate if the turn signals are on or if the hazard lights are on.
Speed indicator – This will display the speed in either MPH or KPH.
Estimated Range – This will display the estimated range. Actual range will vary depending on battery
condition / age, temperature and riding style.
Option Menu – This will select the Option menu to quickly access frequently changed items and the
Config Menu.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Turn signal indicators Estimated range
(Actual range will vary)
Speed
Indicator
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu
Press for the
Configuration menu

ELF Informer
Configuration Screen
The Configuration screen is used to adjust the settings of the ELF Informer.
Configuration Screen features:
Units Menu– Select this to adjust the units of measurement.
Eco Mode Menu – This feature is not implemented at this time.
Main Screen – This will go to the Main screen.
Speed Sensor Menu – Select this to adjust the speed sensor settings.
Turn Menu – Select this to adjust the Turn signals
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Battery Menu – Select this to adjust the battery settings.
Horn Menu – Select this to adjust the horn settings.
Config 2 Menu – This will select the second Configuration menu to make changes to the operation of
the ELF Informer.
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Press to adjust the
units of measure
Press to
configure the
ECO mode
Press to return to
the Main screen
Press for the
Option menu
Press for the second
Configuration menu
Press to adjust the
speed sensor
Press to adjust the
battery settings
Press to adjust
the turn signals
Press to
configure the
ECO mode
Press to adjust the
Horn settings

ELF Informer
Units Screen
The Units screen is used to adjust the units of measure for the ELF Informer.
Units Screen features:
Motor – Press this to cycle between displaying Watts or Amps on the Main screen Motor bar-graph.
Solar – Press this to cycle between displaying Watts, Amps or Voltage on the Main Solar bar-graph.
Speed – Press this to cycle between displaying English (MPH, Miles) or Metric (KPH Kilometers).
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press to select
motor units
Press to select
solar panel units
Press to select
speed units
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
Speed Sensor Screen
The Speed Sensor screen is used to adjust the wheel diameter for the speed sensor. This is used to
calculate the speed and odometer values. Measure the distance from the top of the front right tire to the
bottom of the tire. Do not use the measurement that is printed on the tire.
Speed Sensor Screen features:
Up Arrow – Press this to increase the size of the tire.
Down Arrow – Press this to decrease the size of the tire.
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press here to
increase the size
of the tire
Press here to decrease
the size of the tire
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
Battery Screen
The Battery screen is used to adjust the settings for the features that require the battery size (Eco mode)
and minimum battery level (Battery bar-graph scale, Eco mode, Low Voltage Safety mode).
Speed Sensor Screen features:
Battery Size Up Arrow – Press this to increase the size of the battery.
Battery Size Down Arrow – Press this to decrease the size of the battery.
Minimum Battery Voltage Up Arrow – Press this to increase the minimum operating voltage of the
battery pack.
Minimum Battery Voltage Down Arrow – Press this to decrease the minimum operating voltage of
the battery pack.
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
The minimum battery voltage is the voltage when the battery pack will automatically shut itself down
to prevent damage to the battery pack.
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Press here to
increase the
battery size
Press here to
decrease the
battery size
Press here to
increase the
minimum battery
voltage
Press here to
decrease the
minimum battery
voltage
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
ECO Screen
The ECO mode is not currently implemented.
The Eco screen is used to turn on or off the Eco mode. Turning on the Eco mode will reduce the throttle
when the battery voltage approaches the minimum battery voltage in order to prevent the battery from
shutting down unexpectedly. Eco mode will also automatically control the power to the motor when the
speed remains constant for 10 seconds and the throttle is not changed. This is the Power Saver feature.
The Power Saver mode will automatically use the minimum amount of power required in order to
maintain the set speed. Any change in the throttle position will automatically cancel the Power Saver
mode.
ECO Screen features:
ECO ON – Press this turn on the ECO mode.
ECO OFF – Press this to turn off the ECO mode
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press here to turn
on the ECO mode
Press here to turn
off the ECO mode
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
TURN Screen
The Turn screen is used to adjust the amount of time before the turn signal will automatically shutoff
when the brake is applied. This screen is also used to turn on or off the buzzer for the turn signals. The
turn signal will automatically turn off when the handle bars turn sufficiently or 10 seconds after the
front brakes have been released. The turn signals will also turn off if the brake is applied longer then
the time set for the Auto Turn Signal Shutoff.
Turn Screen features:
Up Arrow – Press this to increase the auto turn signal shutoff.
Down Arrow – Press this to decrease the auto turn signal shutoff.
Turn Signal Buzzer – Press this to toggle the turn signal buzzer on or off.
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press here to
increase the time
for the auto turn
signal shutoff
Press here to decrease
the time for the auto
turn signal shutoff
Press here to turn
on / off the turn
signal buzzer
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
HORN Screen
The Horn screen is used to adjust the functionality of the horn. The horn can be set to sound
continuously when the horn button is pressed, a repeated single beep or a repeated double beep.
Horn Screen features:
Continuous – Press this to set the horn to sound continuously when the horn button is pressed.
Single Beep – Press this to set the horn to sound a repeated single beep when the horn button is
pressed.
Double Beep – Press this to set the horn to sound a repeated double beep when the horn button is
pressed.
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press this for a
continuous horn
Press this for a
repeated single horn
beep
Press this for a repeated
double horn beep
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
CONFIG 2 Screen
The Config 2 screen is used to adjust the settings of the ELF Informer.
Config 2 Screen features:
Brake Lights – Press this to adjust the brake light features.
Back Light – Press this to adjust the display backlight.
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press here to
adjust the brake
lights
Press here to
adjust the display
backlight
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
BRAKE LIGHTS Screen
The Brake Lights screen is used to adjust the settings for the brake lights.
Brake Lights Screen features:
Yes – Press this to flash the brake lights when the front brakes are applied.
No – Press this if you don’t want the brake lights to flash when the front brakes are applied.
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press here to flash
the brake lights
Press here if you
don’t want the brake
lights to flash
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
BACK LIGHT Screen
The Back Light screen is used to adjust the brightness of the display back light.
Brake Lights Screen features:
100% – Press this for full brightness on the display back light.
50% – Press this for reduced brightness on the display back light.
Main Screen – Press this to return to the Main screen.
Option Menu – Select this to return to the Option menu to quickly access frequently changed items.
Config – This will select the Config menu to make changes to the operation of the ELF Informer.
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Press here for full
brightness
Press here for
reduced brightness
Press to return to
the Main screen
Press for the
Option menu
Press for the
Configuration menu

ELF Informer
Programming Screen
The firmware for the ELF Informer can be updated by inserting a USB flash drive with the updated file
into the USB connector. The ELF Informer must be off when the USB flash drive is inserted. Power on
the ELF Informer and the above screen will appear. Do not remove the flash drive or turn off the ELF
Informer while the message above is displayed.
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ELF Informer
Programming Complete Screen
Once the programming has been completed the above screen will appear. The ELF Informer can now
be powered down. After the power has been removed the flash drive can be removed.
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ELF Informer
Specifications:
The ELF Informer is NOT water resistant or water proof. Do not allow the ELF Informer to get
wet.
Operating Temperature Range: 10°F – 110°F
At temperatures below 45°F the display will respond slower. This is normal and does not effect
the operation of the ELF Informer
Power Input Voltage Range: 14 VDC – 58 VDC
Power Enable Voltage Range: 0 VDC – 58 VDC
Input Signals Voltage Range: 0 VDC – 58 VDC
Turn
Brake
Light
Speed Sensor
Horn
Motor Current Sense Input Max Differential Voltage: 0.150 VDC
Solar Current Sense Input Max Differential Voltage: 0.150 VDC
USB Port: 5 VDC @ 200mA
Output Signals Voltage: 12 VDC
Left Turn
Right Turn
Brake
Headlight
Output Signals Current:
Left Turn 1 Amp
Right Turn 1 Amp
Brake 1 Amp
Headlights 2 Amps
Horn 1 Amp
Speed Pot Output Range: 0 VDC – 5 VDC
Power OFF Current Draw: 60uA
Warranty
90 days parts and labor.
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