MMC Skylle 1550 User manual

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User Manual
MMC DRONE SUPPORT
Contact Shenzhen MicroMultiCopter co. Ltd(MMC) for questions and technical help.
Shilong Community, No.1 Yihe Road,
MMC Tech Park, Shiyan Street,
Bao’an District, Shenzhen City,
Guangdong Province,
PR China
Monday–Friday, 9am-6pm
SMC6-1550 （This model is available in black and white. All circuits and RF modules are the
same, only the colors are different.）
User Manual
© Shenzhen MicroMultiCopter co. Ltd(MMC)
All rights are reserved, please do not reproduce or reprint without authorization.

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CONTENTS
STATEMENT ................................................................................................................................................ 4
1 | PRODUCT PROFILE ...............................................................................................................................5
Introduction
Features & Highlight
Flight Battery
Flight Controller
Body
Plugin Platform
SMC6-1550 2D
Drawings
2 | PACKAGE INCLUDES..............................................................................................................................7
3 | ASSEMBLY............................................................................................................................................................... 7
Body & Arm Assemby
Arm & Propeller Assembly
Landing Gear
Battery Strapping
4 | AIRCRAFT (UAS) PROFILE.......................................................................................................................9
Flight Controller
Flight Modes
Indicator Signals
5 | REMOTE CONTROLLER .........................................................................................................................11
Key Features
Contents and Technical Specifications
Stick Adjustment
Controller Battery
6 | GROUND STATION ..................................................................................................................................................... 18
Introduction
Features
Specification
7 | BATTERY..............................................................................................................................................................28
Battery Charging & Safety
Operating Procedure
Battery Maintenance and Storage
Remote Controller Battery Charge
CHECKLISTS .................................................................................................................................29
Prefield Checklist
Flight Checklist & Flight Log
TERMS.......................................................................................................................................................... 31

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STATEMENT
Please read before using this UAS (sUAS) small Unmanned Aircraft System. The user accepts full responsibility upon use and that all
contents of this statement is recognized and accepted. Please follow the manual to install and use the product. Given that the
company cannot control the user’s specific usage of the product, installation and/or modification (including the use of non-specified
parts, such as: motor, ESC, propeller, etc.) as well as other possible improper usages, etc. or damages caused by the above reasons,
Shenzhen MicroMultiCopter co. Ltd(MMC)and itsaffiliates (including vendors), will not be held liablefor any lossesand
liabilities.
CAUTION: This product is not suitable for users under 18 years of
age .
DISCLAIMERS
Each user is responsible for following the flight rules and regulations set forth in their legal city,county, and country.MMC will not
be held responsible for your actions, injuries, or damages caused by or through any products sold or endorsed by MMC, our
resellers, vendors, affiliates, and hence forth, by improper or even proper use, under any circumstance whatsoever.
MMC provides these instructions as a reference only. All information is subject to modifications or updates. MMC expressly
disclaims all warranties andconditions of any kindpertaining tothedocument,whetherexpressedorimplied.
This product can be widely used in fire rescue, emergency responses, forest fire, aerial surveillance, public security police, power line
patrol, power line wiring, exploration and mapping, land resources monitoring, urban planning, film and aerial television and other
fields. Under normal power supply, components and in undamaged case, the product is safe to operate.
CAUTION :Always remove propellers (blades) when assembling, setting up parameters, repairing, and performing maintenance.
This will avoid any negligence methods. When it is turned on, make sure the power supply system and other functional modules are
harnessed correctly, and keep the drone away fromthe crowds,vulnerable, fragile and dangerous goods.
When using this product, personal injury and property damage (including direct or indirect damages), due to the following causes,
will not be covered byMMC:
• Never operate UAS while under the influence of alcohol, drugs or anesthetic drugs, or in other physical or mental conditions of
poor health such as dizziness, fatigue and nausea.
• While operating, do not purposefully cause personal injuries, property damage, etc.
• Any modifications or replacement of original parts or components are full responsibility of the user; and will not hold MMC
and its affiliates responsible whatsoever of any damages due to operator’s errors or subjective misjudgment damage.
• If the UAS sounds off irregular alarms (for example, red light flashing) but is still in the air, please land the UAS as soon as
possible.
• If the UAS is in contact with irregular substances (such as water, oil, soil, sand and other unknown substances), not assembled
properly, or the main components cause apparent failure, accessories exist obvious defects or missing, the damage caused by
such conditions will not be subsidized by the company.
• Do not operate the UAS under magnetic interference area, radio excellent dry zone, or no-fly zone in the operator’s field of
visionrequiredbytheGovernment,extremebacklight,aroundobstacleocclusion,orwithpooreyesight,etc.
• Do not operate in extreme weather, such as more than the capacity of the device windy or rainy weather (including in snow,
hail and other extreme weather flights).
• Ambient temperature range is from -20 up to 50 degrees (°C).

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1. PRODUCT PROFILE
INTRODUCTION
• Skylle 1550 is a professional industrial-grade four-axis UAVsystem specialized for surveillance and inspection.
• Skylle 1550 isequippedwiththree-axisgimbal mounted with GOPRO4 HDsport,FLIR andreal-timeHDimagetransmission
systems, which allows ground control central inspection and the aerial imaging through ground station. Other than that
Skylle 1550 has different payloads with plugin platform for easily swapping the payloads.
• The ground station is featured with HD output interface that outputs the terminals SD / HD videos to other users.
• Skylle 1550 flight platform is featured with GPS hover system, constant speed cruise control, pointing flight and automatic
route flight functions.
FEATURES AND HIGHLIGHTS
Flight Battery
A Couple of 22000mAh lithium polymer ion flight battery features an advanced power management system and provides up to
35+/-5 minutes of flight time with the payloads.
Flight Controller
Flying is easy and safe with a flight controller optimized to enable controlled, stable flight. Critical flight data is collected, computed
and communicated to the entire aircraft in real time.
Body
• The fuselage is fully made up of carbon fiber material
• Designed with fire, rain and dust resistance;
• Easy plug and play designed to minimize assembly time under 2 minutes.
• Efficient power configuration with greater endurance.
• GPS hover, pointing flight and automatic route flight function.

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Plugin Platform Features:
1. Intelligent and sophisticated plug-and-play connector, aims for industrial application.
2. Perfectly compatible with MMC’s various advanced payload.
3. Super easy to plug into the drone, no tool needed.
4. Supported maximum 13 channels.
5. Each channel can be customized tomeet the rapid replacement of the usage ofmultiple payloads, channels include::
• 3- power channel: 1, BAT --GND 2,12V - GND 3,5V –GND
• 7 control link channels: PWM1, PWM2, PWM3, PWM4, NC1, NC2, NC3
• 2 CVBS analog video channels: AV1,AV2
• 1 CAN channel: CANH, CANL
Isometric view of Skylle 1550
Front view of Skylle 1550
Top view of Skylle 1550

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2. PACKAGE INCLUDES
• Main Body
• Flight Batteries & charger
• Tool Kit
• Body Battery Straps
• Arms andPropellers
• Controller
• Ground Station
• GPS Antenna
• PropellerLockingscrews
• ControllerBattery&Charger
• Ground Station Battery & Charger
• Payloads
• Landing Gear
• Transmission Antenna
• Battery Checker
3. ASSEMBLY
BODY & ARM ASSEMBLY
Step 1:
Step 2:
Take the arm and insert to the body according
to the number mentioned in the arm.
Rotate the lock in clockwise direction to
tighten the arm.
ARM & PROPELLER ASSEMBLY
Step 1:
Step 2:
Takethe arm and place the propeller according
to the arm number
Insert the screw and tighten it.

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LANDING GEAR ASSEMBLY
Step 1:
Step 2:
Step 3:
Takethe landing leg and connect the
carbon rod through the holes inthe
landing leg on both sides.
Tightenthescrewsinthelandingleg.
Connect the landing gear with the body and
tight it with the given plastic nut.
BATTERY STRAPPING
Step 1:
Step 2:
Place the battery and strap the battery with
Velcro straps.
Connect the battery connector to the drone and
close the cap.

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Mount the A2 flight
control systemon
youraircraft finish
connection.
Configure the
system using A2
Assistant software.
Basic flyingtest
FailSafe and Low-
voltage settings
Advancedfunctions:
IOC,Gimbal, Gear
4. AIRCRAFT PROFILES
FLIGHT CONTROLLER
The A2 flight control system uses the Controller Unit at its core, which is connected with the IMU, GPS-COMPASS PRO PLUS,
LED- BT-I, PMU and ESCs to complete the system. The system can achieve the height-lock and position-lock functions by using
theIMU and the GPS, to control the aircraft.
Please carry out the following procedures to finish assembly, configuration and flight-testing:
SYMBOL INSTRUCTIONS
General Symbol s
Forbidden
(Important)
Cautions
Tips
Reference
GPS Satellite number
Distance
TX signal good
TX signal lost
Roll to left
Roll to right
Pitch up
Pitch down
LED Symbo l
(N)
N=1
N=2
N=3
N=4
N=6
N=20
N=
Meaning
One Blink
Two Blinks
Three Blinks
Four Blinks
Six Blinks
Twenty Blinks
Continuous
Blinks
(3) means three red blinks.
() LED blinks yellow and green alternatively.
(N)
N=
Meaning
Continuous Solid on
(  ) means continuous blue solid on.

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FLIGHT MODES
Dueto betterment of the customers for easy flying the UAV,the flight controller havebeen designed with 2 set of main control
modes. The switches to access the modes are SE and SG is configured as default. If needed to change refer the remote controller
section
Switch Features :
Switch
Number
Modes
SE
0 (bottom)
Alt Hold
1 (middle)
Alt Hold
2 (upper)
GPS mode
Failsafe Mode: In case of emergency to make drone to come back to Home point this flight mode will be used.
Attitude Mode : Attitude mode is same as GPS mode which uses onboard barometer to maintain copter stability with altitude.
GPS Mode: GPS mode uses on board GPS for stable flying reliable only on GPS.
LED INDICATOR SIGNALS
Control Mode
GPS signal
Manual Mode: No indicator
Best ( >6): No indicator
ATTI.Mode: (1)(sticksnotin mid-point (2))
Good ( -6): (1)
GPS ATTI.Mode: (1) (sticksnotinmid-point (2))
Bad ( =5): (2)
GroundStation: (1)
Worst ( <5): (3)
Flight Attitude
Attitude good: No indicator
Attitude status bad: (3)
IMU data lost, calibrate IMU needed: (4)
Compass calibration
Horizontal calibration: ()
Calibration Failed: ()
Vertical calibration: ()
Abnormal Compass Data: ()
Low voltage alert
First level alert: ()
Secondlevel alert: ()
FaillSafe mode
During the FailSafe: ()
Compass Abnormal after power on: ()
Errors
System Error: (4)
Compass Abnormal after power on: ()
IOC Recording
Record home-point successfully
(20)
UAS is in the 8m range of HP
(6)

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Record forward direction successfully
(20)
Record a Point of Interest successfully
(20)
Bluetooth
A2Assistantisconnected/disconnectedtotheflight controlsystem: ()
When the LED blinks (3), please hover or land the UAS and wait for the white LED to go off.
When the LED blinks (3), it is not recommended to fly.
When the LED blinks (4), please contact your dealer.
5. REMOTE CONTROLLER INTRODUCTION
MMC uses Futaba T14 channels remote controller model 1 (right hand throttle) as a standard one,
Specific function keys are described below:
KEY FEATURES
FASS test system
The T14SG transmitter has adopted the newly developed bidirectional communication system “FASS Test”. Data from
the receiver can be checked in your transmitter. FASS Test is a maximum 14 channels (linear 12 channels + switch 2
channels) 2.4GHz dedicated system.

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S.BUS2 System
By using the S.BUS2 system multiple servos, gyros and telemetry sensors are easily installed with a minimum amount of cables.
Model Types
Six swash types are available for helicopters. Six types of main wings and three types of tail wings are available for airplanes and
gliders. Functions and mixing functions necessary for each model type are set in advance at the factory.
Data Input
Large graphic LCD and new type Touch Sensor substantially improve ease of setup.
Stick
Improved feel, adjustable length and tension.
SD Card (Secure Digital memory card) (Not included)
Model data can be saved to an SD card (SD: 32MB-2GB SDHC: 4GB-32GB).
Edit Button
Two edit buttons are provided, and the operating screen can be immediately “Returned” to the HOME screen during operation.
Setting operation can be performed easily by combining this button with a touch sensor.
Vibration function
Selects a function that alerts the operator tovarious alarms and timers by vibrating the transmitter in addition to sounding a buzzer.
CONTENTS AND TECHNICAL SPECIFICATIONS
14SG includes the following
components:
Transmitter T14SG:
Receiver R7008SB:
T14SGtransmitterforairplanesor
helicopters
(2-stick, 14-channel, FASSTest-2.4G
system)
(FASSTest-2.4G system, dual antenna
diversity, S.BUS system)
R7008SB Receiver
Transmitting frequency: 2.4GHz band
Power requirement: 3.7V~7.4V battery or
regulated output from ESC, etc.
Battery & Charger
System : FASS Test 14CH, FASST MULT,
FASST 7CH, S-FHSS, switchable
Size: 0.98 x 1.86 x 0.56 in. (24.9 x 47.3 x
14.3 mm)
Switch harness
Weight: 0.38 oz. (10.9g)
Neck strap
Content varies on set type
When using ESC’s make sure that the regulated output capacity meets your usage application.
Transmitter’s Antenna
Aswith all radio frequency transmissions, the strongest area of signal transmissionisfrom the sides ofthetransmitter’s antenna.
As such, the antenna should not be pointed directly at the model. If your flying style creating this situation easily move the antenna
to correct this situation.
Rotating antenna

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The antenna can be rotated 90 degrees and angled 90 degrees.
Forcing the antenna further than this can damage it. The antenna is not
removable.
Monitor LED Display
The status of the transmitter is displayed by LED at the bottom left and
right sides of the “T14SG” logo.
LED (Left)
Displays the “non-default condition” warning.
Blinking: Power switchisturned ON when any condition switch isturned
ON.
LED (Right):
Displays the state of radio frequency transmission.
• OFFRadio waves are in OFFstate.
• ONRadio waves are beingtransmitted.
• Blinking Range check mode.
Switch (SA-SH):
SA : 3 position; Alternate; Short lever
SB : 3 position; Alternate; Long lever
SC : 3 position; Alternate; Long lever
SD : 3 position; Alternate; Short lever
SE : 3 position; Alternate; Short lever
SF : 2 position; Alternate; Long lever
SG : 3 position; Alternate; Short lever
SH : 2 position; Momentary; Long lever
*You can choose switch and set the ON/OFF –direction in the setting screen of the mixing functions.
Digital Trim
Digital Trim T1, T2, T3 and T4 :
This transmitter is equipped with four (4) digital trims. Each time you press a trim button, the trim position moves one step. If you
continue pressing it, the trim position starts to move faster. In addition, when the trim position returns to ~ monitor trim positions by
referencing the LCD screen.
On the home screen on the T1-T4 setting screen within the linkage menu.
Note: The trim positions you have set will be stored in the non-volatile memory and will remain there.
Volume
The volume LD and RD knobs allow for analog input.
* The T14SG transmitter beeps when the volume knob reaches the center
position.
LS (Left), RS (right) :
The slide lever LS and RS offer analog input.
* The T14SG transmitter beeps when the lever comes to the center.
Movement of cursor, value input or mode selection
Movement of the cursor on the menu screen and movement of the cursor among items on a setup screen can be controlled by
scrolling your ~ also go to the next page, if there is a next page.

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This scrolling technique is also used for data input, value input, mode selection, and similar operations.
Examples include: Value, ON, OFF, INH, ACT, etc.
RTN button
Touch the RTN button when you want to open a setup screen or to switch between cursor move mode
(reverse display) and data input mode (box display).
This button can also be used as the enter button screen, etc.
Exiting Setup Screen
To end the operation on a setup screen and return to the menu screen, move the cursor to the screen title item and touch the RTN
button.
To return to home screen directly, touch the S1 button for 1 second. Alternatively, move the cursor to the screen title item and touch
the RTN button to return to the home screen from a menu screen.
Note:
*Scroll operation: circleyour fingerontheouter edgeofthe RTNbutton.Thesensorsmay mis-read your touch as a reverse
rotation if the circle is smaller, or performed on the inside edge of the RTN button.w
*The Sensor Touch™ may not operate smoothly if your hand is touching the surrounding case parts. Please make sure that the tip of
your finger is actually operating the Sensor Touch™.
*IftheSensorTouch™does not register your input,pleasetryagainafter lightly tappingyour finger
onthe sensor once again.
Do not operate the Sensor Touch™ while wearing gloves. The Sensor Touch™ may not work correctly.
Caution : The touch sensor may not operate correctly if spark noise is generated from a gasoline engine, etc.
Please remove the transmitter to a location away from the noise source.

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MODE 1:
STICK ADJUSTMENT :
Adjustment of the stick lever length
Youcanadjustthelengthofsticklevers,asyoulike.Itis recommended toadjust the
length of the sticks in line with your hand size.
• Hold the lever head “B” and turn the lever head “A” counter ~ clockwise. The lock
will be released.
• Turn the lever head “A” clockwise as you hold the lever-head “B” after placing it as
you like.
Adjustment of stick lever tension
The tension of the self-return type stick lever can be adjusted.
1. First, removethe battery cover on thebottomofthetransmitter.Next,
unplugthebatterywireand removethebatteryfromthetransmitter.
2. Next, using a hand, remove the transmitter’s side cover. When using Mode 1,
you will needtoremovethe sidecoverto exposethetensionscrew.
3. Using your hand remove the transmitter’srear
rubber grips.
4. Usea small Philips screwdriver to adjustthe
springstrengthas you preferby turningthe
adjusting screw of the stick you want to adjust.
*Turning the screw clockwise increases the tension.
Caution :
Ifyouloosenthe screwtoo much,it caninterfere
with the operation of the sticks internally.
The stick can be adjusted to how
quickly it returns to neutral.

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CONTROLLER BATTERY
Attachment of the battery
1. T14SG to HTF1800B is removed.
2. A LiFe spacer (14SG attachment) is inserted as shown in figure.
3. A Controller battery (Option) is inserted as shown in figure.
4. 2P connector of a controller battery is connected.
5. Close the battery covercompletely.
6. T14SG is turned on and [LINKAGE MENU]=>[WARNING]=>[LOW BATTERY] is called.
7. It changes into 6.0V from5.6V.
Charging Controller battery
Note: Controller battery cannot be charged with the charger of 14SG
attachment.
Home Screen
Use the touch sensor to select the following display area to call each setting screen, and touch the RTN button. The setting
screen appears.
User Menu
A user menu which allows the user to customize and display frequently used functions has
been added.
a. When the “U.MENU” button is pushed for two seconds, the user menu appears.
*Return to the home screen by touching the EXIT button while the user menu is being displayed.
b. When the cursor highlights the dotted line, “---------- ”and the RTN button is touched, the
menu selection screen appears.
c. When the cursor is moved to the setting that you to set to the user menu and the RTN button
is touched, that setting screen is added to the user menu.
d. The registered setting screen can be called by moving the cursor to it and touching the RTN
button.
*When you want to delete an added screen from the user menu, highlight item you wish to
delete, press and hold the RTN button for one second.

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How to turn transmitter power ON/OFF
Whenturningonthepower,the T14SGtransmitter will begin emitting RF automatically after it confirmsthe
surrounding RF conditions.
The T14SG transmitter also offers the ability to auto shut-down.
When turning on the power of the transmitter
1. Turn on the power switch of the transmitter.
*The message ‘CHECK RF CONDITION’ is displayed for a moment. At the same time the left LED monitor blinks.
2. Then, you will see the home screen and the transmitter begins to emit radio waves.
*The left and right LED monitors will change to solid red.
How to stop the transmitter:
Turn off the power switch of the transmitter.
*The transmitter shuts down at once.
Low battery alarm and auto shut-down:
When the battery voltage reaches 5.2V, an audible alarm will sound. Land your aircraft immediately.
When thebattery voltage reaches 3.9V, the transmitter will beturnedoff automatically.
*Ifyoudo not operate the transmitter (or move a stick, knob, switch or digital trim) for 30minutes,themessage
“PLEASE TURN OFF POWER SWITCH” is displayed and an audible alarm will sound.
Warning display at power ON (UAS):
When the throttle stick during power ON is at the high side (or over 1/3 stick) a warning will be displayed.
*below 1/3 stick, the warning display goes off.

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6. GROUND STATION
INTRODUCTION
The 15" Portable Ground Station S85 is a professional, rugged and
portableradiostation designed for outdoor use.Equippedwith
magnesium metal shell, quality LCD, Intel core i5-4310M processor,
Intel HD graphics core 4600i and 15.6 TFT LCD FHD (1920 x 1080),
this Ground Station is an essential device for complicated and
demanding UAV task.
FEATURES:
• With design of waterproof, dustproof and shockproof, It’s
applicable to various tough environment.
• Its total weight is less than 9KG.
• Itis compatible with 1080P HDvideo format, and its
transmission distance can reach 5KM.
• It comes with a USB3.0 HD video storage card for faster and more stable data transmission.
• It can display both Video and flight data, and it’s easy to switch between these two displays mode.
• Fingerprint identification and other security features make the product more secure.
• Support dual battery system.
SPECIFICATIONS
Item
Specifications
Basic Data
Size (LxWxH) mm
290
410
119
Weight (Kg)
9
Waterproof and dustproof level
IP65
Material
Magnesium metal shell
Color
Metal gray
Operating System
Windows®7 professional business version
Electrical Specifications
Working Voltage
19v
Working Current
4.74A
Max. Power
90W
Battery Capacity
Li-Po battery 8700mAh
Configuration
CPU
Core i5-4310M
Hard Disc/RAM
500 GB/ 8GB DDR3
Graphics Card
HD 4600i
Display
15.6 TFT LCD FHD (1920 x 1080)
Keyboard
LED rubber keyboard

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GROUND CONTROL STATION(GCS)
MGS is the specialized ground control station software where the user can control the UAS and the
mounting equipment, simultaneously displaying the images transmitted by the drone in real time.
INSTALLATION
• Operating system requirements: Windows 7/ Windows 8/ Windows 10.
• Install the ground station software.
INTRODUCTION TO THE MAIN INTERFACE OF THE GROUND STATION
MGS main interface introduction

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SOFTWARE SETTING
Click the setting button, the setting interface will show. In the setting function’s interface, there
are major functions including ‘General Setting’, ‘Firmware Upgrade’, ‘Security Setting’, ‘Sensor
Calibration’, ‘Propellers and Wings Test’.
1. GENERAL SETTING
The settings of the common
settings interface can be made.
• Language: Switch the
language displayed on
the current interface. This
function must be restarted
to take effect. When the
displayed interface language
is English, if you want to
change languages, select
and restart, the selected
language interface will then
be displayed.
• Map: Switch the map
provider of the map area of
the current main interface.
• MapType:Switchthe
type of the current map
(street
map, satellite map, hybrid map).
• Data Save: Select whether to save flight data after each flight.
• Automatic Connection : Select to automatically connect tothe drone when there isa
drone connection, unselect to use the manual connection drone, if it didn’t connect to the
aircraft when you choose the automatic connection, you need to stop the automatic
connection and use the manual connection.
• Video Source :Youcan switch the video source of the video display area of the
main interface.
• Start Ground Station Control : click to start to control the ground station before you
can use the control mount function and control the drone function.
Note: After each battery replacement, you need to click on the “Power to Clear”, in order to
more accurately count the power usage.
2. FIRMWARE UPGRADE
• Click “Firmware Upgrade” to open the firmware
upgrading interface, click the “Start Upgrade” button,
follow the prompts to complete the firmware upgrade.
Warning: The firmware has been set at the factory. If
you need to modify, please consult our technical staff
first!

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3. SECURITY SETTING
Click “Security Setting” to open the security settings interface.
There aremainly fault protection functions such asFailsafe
Triggers, Geofence, and Return to Launch (RTL).
Thesafetyfault protection valuesettingis completedby
setting the fault handling method of different fault drones.
Warning: The failsafe trigger value setting is completed
by setting the trigger values for the different types of
failsafes. If you need to modify, please consult our
technical staff first!
4. SENSOR CALIBRATION
The sensor calibration has “accelerometer”, “compass”
calibration, sensor settings can choose which sensor to use,
sensor installation direction and so on.
Warning: It is not recommended for inexperienced non-
professionals to calibrate this function. If the sensor
malfunctions, please contact us for customer service.
5. PROPELLERS AND WINGS TEST
Followthepromptsforthepropellersandwings’testand
perform a test before flying.
Click on each propeller to seethedronebladeis rotatingin
the direction of the arrow. If the rotation is not smooth, you
can increase the percentage of thethrottle.The range of
throttle is 1% to 20%. The default value is suggested to be9%.
SecuritySettings
Propellers Test
6. INDEX OFFLINE MAP
Users are able to save the
name and type of map
(Google Maps), slide it to
select the range and size of
the map you want to save,
click download button to
downloadthemaplocally.
Click the x on the right in the
Figure 3.32 and then quit.
Next time when you look at it,
click on the offline map and
select the name of the map of
you downloaded so that it is
able to view.
Offline map selection interface