Global Sat LT-20P Series User manual

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GlobalSat LT-20/LT-20P Series
User Manual
Version: 1.3
GlobalSat WorldCom Corporation
16F., No. 186, Jian 1st Rd., Zhonghe Dist.,
New Taipei City 23553, Taiwan
Tel: [phone]/ Fax: [phone]
[email protected]
www.globalsat.com.tw
USGlobalSat Incorporated
14740 Yorba Court, Chino, CA 91710
Tel: [phone] / Fax: [phone]
[email protected]

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TABLE OF CONTENTS
1. Warning .................................................................................................................................................3
2. Welcome................................................................................................................................................4
3. Introduction...........................................................................................................................................5
3.1 Introduction.....................................................................................................................5
3.2 LED Indicators................................................................................................................6
4. Device Operation..................................................................................................................................7
4.1 Device Charging .............................................................................................................7
4.2 Function Button ..............................................................................................................8
4.3 Parameter Settings via iOSApp......................................................................................9
4.4 Firmware Upgrade via iOS App ...................................................................................16
5. Safety Information..............................................................................................................................22
6. Limited Warranty ................................................................................................................................22
7. FCC Warning.......................................................................................................................................27

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1. Warning
USE RESPONSIBLY. READ ALL INSTRUCTIONS AND
SAFETY INFORMATION BEFORE USE.
GlobalSat WorldCom Corporation / USGlobalSat, Inc., will not accept any responsibility
whatsoever for accidents or violations of local Laws resulting from failure to observe
common sense precautions and local laws. Your personal judgment, traffic regulations,
and common sense must always take precedence over any directions produced by GPS
receiver or the mapping software.
Indemnification:
User agrees to defend, indemnify and hold harmless GlobalSat WorldCom Corp. and USGlobalSat,
Inc., its officers, directors, employees and agents against and from any third party claims, actions,
damages or demands, including but not limited to, reasonable legal and accounting fees, resulting
from user's use or misuse of this product, violation of these Terms, or any activities related to this
product, or from user's violations of the rights of any other user of this product. Use of this Product is
at user's own risk.

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2. Welcome
Thank you for purchasing the GlobalSat LT-20/LT-20P. The LT-20/LT-20P is a sleek,
compact and feature rich tracking device. We appreciate your purchase of a GlobalSat
WorldCom Product!

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3. Introduction
3.1 Introduction
The LT-20/LT-20P is a LoRa®compliant solar tracker. The LT-20 is a cattle tracker. The
LT-20P is a compact asset tracker. Both of them have solar panel for charging by sunlight.
They could be charged by DC power via charging cradle as well.
Accessories (Optional)
1 Ear Tag Hole
2 GPS, BLE, Charging LED
3 Solar Panel
4 Function Button
5 Charging Pin
6 Micro USB Connection for Charging only

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3. Introduction (Continued)
3.2 LED Indicators
Charging LED (by cradle)
LED
Red Constantly Lit
Red Off
State
LT-20/LT-20P is being
charged
LT-20/LT-20P is fully
charged or it is not charged
BLE LED
LED
Blue Blinking Quickly
Blue Blinking Slowly
Blue Off
State
LT-20/LT-20P is searching
for pairing with App
LT-20/LT-20P is paired
with App
BLE is disable
GPS LED
LED
Green Blinking
Quickly
Green Blinking
Slowly
Green Off
State
LT-20/LT-20P is
searching for GPS fix
LT-20/LT-20P receives
GPS fix
GPS is disable

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4. Device Operation
4.1 Device Charging
Using the device for the first time, rechargeable battery will require the proper charge
before LT-20/LT-20P is operable. To maximize your device’s battery life, proceed by
performing the steps listed below.
1. Connect cradle to AC power adapter via micro USB cable.
2. Put LT-20/LT-20P to the charging cradle and red LED would be on while charging.
3. It should be charged at least 1.5 hours of battery charging time.
If you don’t purchase charging cradle, you could put our device which solar panel face to
proper sunshine to charge. It will take several days to be charged to at least 50% for the
proper operation.
Notice:
1. Please note the device will be charging by solar panel only when it’s on.
2. When it is in standby mode, it could not join to network server and send any
report.

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4.2 Function Button
1. To turn the device “ON”, press and hold the function button for 1 second and release
the function button. Then the BLE LED would blink quickly.
There are two kinds of behavior as following table when the device is on.
Operation mode
Standby mode
Short press the function button, the BLE
LED would have a quick blink.
Short press the function button, the BLE
LED would have a slow blink.
2. To turn the device “OFF”, press and hold the function button for around 5 to 6
seconds, you would see BLE LED would blink three times and then release the
function button.
3. To do hardware reset, press and hold the function button for 11 seconds and release
it.

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4.3 Parameter Settings via iOS App
1. Install LT-20 App as the following link https://apps.apple.com/tw/app/lt-20/id1492856834
from App store or QR code below. It would have icon as following.
2. Make sure you turn on BLE for mobile device and open LT-20App.
3. After device turned on [short press function button for 1 second, the BLE LED will
blink quickly for 5 seconds], press function button for 2 seconds, then BLE LED will
blink twice and release function button in order to pair with the device in 30 seconds.
4. Then click Scan button, it will search for LT-20 device and click it which you would
like to do settings as the following left picture. After pairing with the device, it would
get settings.

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5. Then FW version, LoRa MAC, device battery level, App Version would be shown at
the bottom of menu. You could modify parameters by entering into each item of
menu, for example, LoRaWAN, GPS, Operation Mode etc.

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6. When entering into LoRaWAN settings, you could modify Join Mode, DevAddr,
AppSKey, NwkSKey, Tx_Band etc. Please adjust these settings according to
network server’s settings carefully. Otherwise, it will cause network server
connection issue. After modifying all the settings, click Apply button to write all these
settings to the device.
If you are sure to apply the settings, click Confirm button, it will reboot automatically and
interrupt BLE connection once saving all the settings successfully.

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7. When entering into BLE Beacon/Wi-Fi Setting, you would see Enable Ble
Beacon(O2)and Enable Wi-Fi Scan AP(W3) are on as default setting for new
customer FW(F-0LR-3Q-2002271).
Please set Enable Wi-Fi Scan AP(W3) to 0 to disable it. LT-20 doesn’t have Wi-Fi
function, and only LT-20P could support it. It could support three kinds of beacon type:
iBeacon, EddyStone_UID and AltBeacon.

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White list Beacon ID could be used as mask. It is a filter for BLE beacons (white list) to be
able to filter out unwanted BLE beacons.
For example, the user sets Beacon ID white list is “30000001”. When the device receives
any beacon signal which first 4 bytes of UUID are “30000001”, the device will accept this
data and send beacon report with this beacon’s MAC Address. If the Beacon type is
unmatched or the first 4 bytes of UUID are not matched with Beacon ID white list, the data
will be dropped by the device. You could have 3 sets of ID for white list.
After modifying your settings, click Apply button and then click Confirm button to write
your settings to device.
Please see the following table for white list length of each beacon type.
Length
Beacon Type
Shortest White List
(Byte)
Longest White List
(Byte)
iBeacon
1
16
EddyStone_UID
1
16
AltBeacon
1
20

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8. You could also adjust tracker’s settings by modifying some parameters in GPS/
Operation Mode/Other Setting and click Apply button to write your settings to
device.

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9. In case if you have the wrong settings and would like to return to factory default
settings, please click Restore button as the following left picture. However, you will
lose all values customizations.

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4.4 Firmware Upgrade via iOS App
I. Put firmware file to firmware upgrade tool via iTunes
1. Download iTunes for Windows system and connect mobile device with PC.
2. Allow the access for iTunes to connect to mobile device by responding ok in its
screen.
3. Execute iTunes and click red square as following picture.

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4. Click Apps and select LT-20 folder.

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5. Drag the firmware file (zip file) to the right side which is called LT-20 Documents and
click Done button.

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II. Upgrade Firmware via iOS App
1. Make sure you turn on BLE for mobile device and open LT-20App.
2. After device turned on, press function button for 2 seconds, then BLE LED will blink
twice and release function button in order to pair with the device in 30 seconds.
3. Open LT-20 App and click Scan button. It will search for LT-20 device and then click
it which you would like to do firmware upgrade as the following picture. After pairing
with the device, it would get settings.

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4. Click Firmware Upgrade. Then click Select button and click the firmware zip file, for
example, F-0LR-2Q-1912301_dfu.zip which had been put via iTunes. Then click
Apply button.