Changes for page TrackerD - LoRaWAN Tracker User Manual(Remove WiFi)

Last modified by Xiaoling on 2023/12/27 09:15

From 53.1 to 54.1 From 76.1 to 77.1

From version 54.1

edited by Edwin Chen
on 2022/10/06 18:13

Change comment: Uploaded new attachment "image-20221006181357-2.png", version {1}

To version 76.1

edited by Edwin Chen
on 2022/10/13 23:11

Change comment: There is no comment for this version

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@@ -97,7 +97,6 @@
  * LoRa Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
  * Tracking: max: 38mA
--
  == 1.3  Features ==
@@ -116,7 +116,6 @@
  * Tri-color LED, Alarm button
  * Datalog
--
  == 1.4  Applications ==
@@ -123,7 +123,6 @@
  * Logistics and Supply Chain Management
  * Human tracking
--
  = 2.1  Use TrackerD =
@@ -186,42 +186,133 @@
  (% style="color:blue" %)**Step 3:**(%%) TrackerD will auto join to the LoRaWAN network. After join success, TrackerD will start to upload message to IoT server.
--= 2.3 Positioning Mode(SMOD) =
--* (% style="color:#037691" %)**GPS ONLY(Factory Settings):    **(%%)only get GPS location info.
--* (% style="color:#037691" %)**BLE ONLY:              **(%%)Only obtain iBeacon info via BLE. Design for Indoor tracking.
--* (% style="color:#037691" %)**GPS/BLE Hybrid:   **(%%)Combination for Indoor and Outdoor tracking.
++== 2.3  Positioning Mode(SMOD) ==
--User can switch modes by [[changing SMOD>>||anchor="H3.2.7SetPositioningMode"]].
++Users can set TrackerD to different Positioning Mode for different applications. Below mod are supported.
++* (% style="color:#037691" %)**GPS ONLY(Factory Settings):    **(%%)only get and uplink GPS location info.
++* (% style="color:#037691" %)**BLE ONLY:              **(%%)Only obtain iBeacon info via BLE and uplink. Design for Indoor tracking.
++* (% style="color:#037691" %)**GPS/BLE Hybrid:   **(%%)Combination for Indoor and Outdoor tracking.Devices will try to search BLE iBeacon first. If device can't find the iBeacon, it will use GPS for positioning.
--== 2.3  Uplink Payload ==
++Users can switch modes by [[changing SMOD>>||anchor="H3.2.7SetPositioningMode"]].
--=== 2.3.1  Uplink FPORT~=5, Device Status ===
++== 2.4  Uplink Payload ==
--=== 2.3.2  Uplink FPORT~= , Realtime GNSS Positioning ===
++=== 2.4.1  Uplink FPORT~=5, Device Status ===
--The default uplink payload includes totally 11 bytes. (User can use AT+MOD=0 to enable the Temperature and humidity sensor to hum/tem info from accelerometer. When accelerometer info is enable, total payload will be 15 bytes, please note 15 bytes won't work on DR0 on US915/AU915 frequency band. )
++Uplink the device configures with FPORT=5. Once TrackerD Joined the network, it will uplink this message to the server. After the first uplink, TrackerD will uplink Device Status every 12 hours.
++Use can also get the Device Status uplink through the downlink command: **Downlink:  0x2301**
++
++(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
++|=(% scope="row" style="width: 108px;" %)**Size(bytes)**|=(% style="width: 82px;" %)**1**|=(% style="width: 83px;" %)**2**|=(% style="width: 94px;" %)**1**|=(% style="width: 84px;" %)**1**|=(% style="width: 44px;" %)2|=(% style="width: 63px;" %)**2**|=(% style="width: 60px;" %)1
++|=(% style="width: 108px;" %)**Value**|(% style="width:82px" %)Sensor Model|(% style="width:83px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:84px" %)Sub-band|(% style="width:44px" %)BAT|(% style="width:63px" %)SMOD|(% style="width:60px" %)Status
++
++[[image:1665301570342-765.png]]
++
++
++(% style="color:#037691" %)**Example of Device Status:**(%%) 13014001FF0FA24002
++
++(% style="color:#037691" %)**Sensor Model:** (%%) For TrackerD,this value is 0x13
++
++(% style="color:#037691" %)**Firmware Version: **(%%) 0x0140,Means:v1.4.0 version
++
++(% style="color:#037691" %)**Frequency Band**:
++
++*0x01: EU868
++
++*0x02: US915
++
++*0x03: IN865
++
++*0x04: AU915
++
++*0x05: KZ865
++
++*0x06: RU864
++
++*0x07: AS923
++
++*0x08: AS923-1
++
++*0x09: AS923-2
++
++*0x0a: AS923-3
++
++Sub- Band:value 0x00~~0x08(only forAU915,US915,Others are 0xFF)
++
++(% style="color:#037691" %)**BAT:**(%%) shows the battery voltage for TrackerD.
++
++
++(% style="color:#037691" %)**Ex1:**(%%) 0x0FA2 = 4002mV
++
++Use can also get the Device Status uplink through the downlink command:
++
++
++
++(% style="color:#037691" %)**SMOD Field (total 1 byte)**(%%)：0x40
++
++(% border="1.5" style="background-color:#ffffcc; color:green; width:420px" %)
++|(% style="width:75px" %)**Size(bit)**|(% style="width:64px" %)2bits|(% style="width:137px" %)2bit|(% style="width:142px" %)4bit
++|(% style="width:75px" %)**Value**|(% style="width:64px" %)SMOD|(% style="width:137px" %)GPS_Settings|(% style="width:142px" %)BLE_Settings
++
++(% style="color:blue" %)**     SMOD：**
++
++(% style="color:red" %)**      1 :** (%%)  GPS ONLY
++
++(% style="color:red" %)**      2 :** (%%)  BLE ONLY
++
++(% style="color:red" %)**      3 :**  (%%) GPS/BLE Hybrid
++
++
++(% style="color:blue" %)**      GPS_MOD: Define how to send GPS payload**
++
++(% style="color:red" %)**      0 : ** (%%)  Enable uploading on-board Temperature and humidity values
++
++(% style="color:red" %)**      1 :** (%%)   Disable uploading on-board Temperature and humidity values
++
++
++(% style="color:blue" %)**      BLE_Settings:**
++
++(% style="color:red" %)**      1: ** (%%)  BLE Positioning with Strongest iBeacon
++
++
++
++(% style="color:#037691" %)**Status Field (total 1 byte)**(%%):  0x02
++
++(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
++|(% style="width:77px" %)**Size(bit)**|(% style="width:82px" %)5 Bits|(% style="width:106px" %)1 Bit|(% style="width:67px" %)1 Bit|(% style="width:121px" %)1 Bit
++|(% style="width:77px" %)**Value**|(% style="width:82px" %)Reserve|(% style="width:106px" %)PNACKMD|(% style="width:67px" %)LON|(% style="width:121px" %)Transport** **Mode
++
++
++
++
++=== 2.4.2  Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
++
++
++User can use **AT+SMOD=1,0** to enable uploading on-board Temperature and humidity values, and the total payload will be 15 bytes, please note that 15 bytes won't work on DR0 on US915/AU915 frequency band.
++
++
  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
  |=(% scope="row" style="width: 50px;" %)(((
  **Size(bytes)**
--)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:50px" %)1|(% style="width:88px" %)(((
--2(optional)
++)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1|(% style="width:40px" %)(((
++2
  )))|(% style="width:87px" %)(((
--2(optional)
++2
  )))
  |=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
  [[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
--)))|(% style="width:52px" %)[[FLAG>>||anchor="HFLAG:"]]|(% style="width:88px" %)[[Hum>>||anchor="HHum:"]]|(% style="width:87px" %)[[Tem>>||anchor="HTem:"]]
++)))|(% style="width:73px" %)[[FLAG>>||anchor="HFLAG:"]]|(% style="width:40px" %)[[Hum>>||anchor="HHum:"]]|(% style="width:87px" %)[[Tem>>||anchor="HTem:"]]
--[[image:1664501958445-288.png]]
++[[image:1665301636888-168.png]]
  ==== (% style="color:blue" %)**Alarm & BAT:**(%%) ====
@@ -233,8 +233,8 @@
  ==== (% style="color:blue" %)**FLAG:**(%%) ====
  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:250px" %)
--|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:50px" %)1bit|(% style="width:100px" %)5 bits
--|=(% style="width: 79px;" %)**Value**|(% style="width:55px" %)[[MOD>>||anchor="H3.2.7SetPositioningMode"]]|(% style="width:47px" %)[[LON>>||anchor="HLON:"]]|(% style="width:140px" %)Firmware version
++|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:50px" %)1bit
++|=(% style="width: 79px;" %)**Value**|(% style="width:55px" %)[[MOD>>||anchor="H3.2.7SetPositioningMode"]]|(% style="width:47px" %)[[LON>>||anchor="HLON:"]]
  **Example:** Payload: 0x02863D68 FAC29BAF 4B45 60 0202 011A
@@ -244,22 +244,18 @@
  * Latitude: 02863D68     ⇒  //if (0x//02863D68//& 0x80000000 = 0 )~://      //value = 02863D68 /1000000 = 42.351976//
  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://      //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
--
  (% style="color:red" %)**Important note:**
 .  When power is low (<2.84v), GPS won't be able to get location info and GPS feature will be disabled and the location field will be filled with 0x0FFFFFFF, 0x0FFFFFFF.
--2.  In firmware version v1.5, Roll & Pitch is disabled by default.
++2.  In this mode, the total payload will be 15 bytes, while US915/AU915 DR0 accepts only 11 bytes payload. In this case, the payload on server will be ignore and shows as below:
--3.  When enable 9-axis motion sensor, the total payload will be 15 bytes, while US915/AU915 DR0 accept only 11 bytes payload. In this case, the payload on server will be ignore and shows as below:
--
  [[image:1664502116362-706.png]]
++3.  While GPS can't get location info after timeout(FTIME Parameter), the latitude and longitude will be filled with all 0x00:
--4.  While GPS can't get location info after timeout(FTIME Parameter), the latitude and longitude will be filled with all 0x00:
--
  [[image:1664502166010-515.png]]
@@ -266,15 +266,15 @@
  ==== (% style="color:blue" %)**Alarm:**(%%) ====
--Example:  0x4B & 0x40 >> 6 = 0x01
++**Example: ** 0x4B & 0x40 >> 6 = 0x01
  ==== (% style="color:blue" %)**BAT:**(%%) ====
--Example:  0x0CDD & 0x3FFF ⇒ 3293 (mV).
++**Example: ** 0x4B45 & 0x3FFF ⇒ 2885 (mV).
  (((
--The battery info shows the current voltage, for (% style="color:blue" %)**TrackerD**(%%) version which powered by li-on battery. User can use below mapping to indicate the battery in percentage: \
++The battery info shows the battery voltage, User can use the below mapping to indicate the battery in percentage: \
  )))
  * > 4.0v :              80% ~~ 100%
@@ -283,21 +283,37 @@
  * 3.40v ~~ 3.69v:   20% ~~ 40%
  * < 3.39v:             0~~20%
++==== (% style="color:blue" %)**MOD:**(%%) ====
++**Example: ** (0x60>>6)& 0x3f =1.
++
++**Set the format of GPS data uplink link：**
++
++(% style="color:#037691" %)**0x00:** (%%)  Enable uploading on-board Temperature and humidity values
++(% style="color:#037691" %)**0x01: ** (%%) Disable uploading on-board Temperature and humidity values
++
++
++**Set the format of BLE data uplink link：**
++
++(% style="color:#037691" %)**0x01: ** (%%)  BLE Positioning with Strongest iBeacon
++
++
  ==== (% style="color:blue" %)**LON:**(%%) ====
++**Example:** (0x60>>5) & 0x01=1.
  Enable/Disable LED activity for uplink
  (((
--0x00:   Disable LED indicator.
++(% style="color:#037691" %)**0x00:**  (%%) Disable LED indicator.
  )))
  (((
--0x01:   Enable LED indicator (Default Value)
++(% style="color:#037691" %)**0x01:**  (%%) Enable LED indicator (Default Value)
  )))
++
  ==== (% style="color:blue" %)**Hum:**(%%) ====
 = //if (0x0202 & 0x8000 = 0 ):  value =// 0x0202 / 100 = +514 ⇒ 51.4 degree
@@ -309,15 +309,51 @@
--=== 2.3.3  Uplink FPORT~= , History GNSS Positioning ===
++=== 2.4.3  Uplink FPORT~=3, Realtime GNSS Positioning (Default Mode) ===
++The default uplink payload includes totally 11 bytes. The payload is the first 11 bytes of Uplink FPORT=2, real-time GNSS positioning, (remove the temp and humidity)
--=== 2.3.4  BLE positioning Payload(Fport2) ===
++(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
++|=(% scope="row" style="width: 50px;" %)(((
++**Size(bytes)**
++)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1
++|=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
++[[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
++)))|(% style="width:73px" %)[[FLAG>>||anchor="HFLAG:"]]
--Different MODE has different payload:  (% style="color:blue" %)**MODE=2**
++(% class="wikigeneratedid" %)
++[[image:1665301687277-443.png]]
++
++
++=== 2.4.4  Uplink FPORT~=4, History GNSS Positioning ===
++
++
++Set [[PNACKMD=1>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.13AutoSendNone-ACKmessages]], and TrackerD will wait for ACK for every uplink, when there is no LoRaWAN network, TrackerD will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
++
++
++(% style="color:red" %)**Note for this mode:**
++
++* a) TrackerD will do an ACK check for data records sending to make sure every data arrive server.
++* b) TrackerD will send data in (% style="color:blue" %)**CONFIRMED Mode**(%%) when PNACKMD=1, but TrackerD won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink, if TrackerD gets an ACK, TrackerD will consider there is a network connection and resend all NONE-ACK Messages.
++
++The payload is 15 bytes, as below.
++
++(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
++|=(% scope="row" %)(((
++**Size(bytes)**
++)))|4|4|2|1|1|1|1|1
++|=**Value**|Latitude|Longitude|Year|Month|Day|Hous|Min|Sen
++
++[[image:image-20221009160309-2.png]]
++
++
++
++=== 2.4.5  Uplink FPORT~=6, BLE Positioning with Strongest iBeacon ===
++
++
  (% border="1.5" cellspacing="3" style="background-color:#ffffcc; color:green; width:450px" %)
  |=(% scope="row" style="width: 60px;" %)(((
  **Size(bytes)**
@@ -346,7 +346,7 @@
  * (% style="color:#037691" %)**RSSI:  **    (%%) The RSSI from the strongest iBeacon.
--=== 2.3.5  Add Payload format in TTN V3 ===
++=== 2.4.6  Add Payload format in TTN V3 ===
  In TTN V3, use can add a custom payload so it shows friendly.
@@ -366,7 +366,7 @@
--== 2.4  Integrate with Datacake ==
++== 2.5  Integrate with Datacake ==
  (((
@@ -382,7 +382,7 @@
--== 2.5  Integrate with Tago ==
++== 2.6  Integrate with Tago ==
  (((
@@ -398,9 +398,24 @@
--== 2.6  Alarm Mode ==
++== 2.7  Datalog Feature ==
++total 273 entries,by default disable
++
++
++Example use case.
++
++[[image:image-20221009234703-2.png||height="328" width="899"]]
++
++
++[[image:image-20221009234629-1.png||height="390" width="577"]]
++
++
++
++== 2.8  Alarm Mode ==
++
++
  (((
  User can push the (% style="color:red" %)**RED button**(%%) by more than 5 seconds to enter Alarm Mode.
  )))
@@ -424,13 +424,16 @@
--== 2.7  Sports Mode ==
++== 2.9  Transport Mode ==
++In Transport Mode, TrackerD will check if there is motion. If there is no motion, device will send uplinks every 20 minutes. If there is motion, device will send uplink every 5 minutes.
--== 2.8  LED Status ==
++== 2.10  LED Status ==
++
++
  (% border="1.5" style="background-color:#ffffcc; color:green; width:500px" %)
  |=(% style="width: 150px;" %)**Event**|=(% style="width: 200px;" %)**Action**|=(% style="width: 150px;" %)**AT+LON to control on/off**
  |(% style="width:157px" %)**Power On**|(% style="width:271px" %)(% style="color:blue" %)**BLUE, **(% style="color:red" %)**RED , **(% style="color:green" %)**Green** flash once|(% style="width:202px" %)N/A
@@ -446,7 +446,7 @@
  |(% style="width:157px" %)**Movement Detect**|(% style="width:271px" %)(% style="color:red" %)**RED **(%%)led on 500ms|(% style="width:202px" %)N/A
--== 2.9  Button Function ==
++== 2.11  Button Function ==
  (% style="color:blue" %)**RESET button:**
@@ -468,7 +468,7 @@
  |(% style="width:135px" %)Enter Deep Sleep Mode|(% style="width:220px" %)Press and hold the button for 10 seconds, then quickly press the device 3 times to enter deep sleep|(% style="width:265px" %)This is the mode ship out from factory. CPU will be complete in sleep mode and no LoRa activity, only use before deploy.
--== 2.10  USB Port Function ==
++== 2.12  USB Port Function ==
  The USB interface of TrackerD has below functions:
@@ -551,16 +551,16 @@
--=== 3.2.3  Set Sports Mode Packet transmission interval ===
++=== 3.2.3  Set Transport Mode Packet transmission interval ===
--Set sports packet transmit interval
++Set Transport Mode packet transmit interval
  * (% style="color:blue" %)**AT Command:**
  (% style="color:#037691" %)**AT+MTDC=xx. **
--Example:  AT+MTDC=300000    **~-~->    ** Set Sports Mode Packet Interval to 300 seconds. TrackerD will send every 300 seconds in Sports mode, Default Value: 300000
++Example:  AT+MTDC=300000    **~-~->    ** Set Transport Mode Packet Interval to 300 seconds. TrackerD will send every 300 seconds in Transport mode, Default Value: 300000
  * (% style="color:blue" %)**Downlink Payload (prefix 0x03):**
@@ -600,16 +600,16 @@
--=== 3.2.6  Disable/Enable movement detect (Debug Only) ===
++=== 3.2.6  Disable/Enable Transport Mode ===
--User can use this feature to check and set thread hole of movement detect
++Users can use this feature to enable/disable Transport Mode.
  * (% style="color:blue" %)**AT Command:**
  (% style="color:#037691" %)**AT+INTWK=xx.  (Disable (0), Enable (1), default:0)**
--Example:  AT+ INTWK =1   **~-~->   ** Enable detect movement.
++Example:  AT+ INTWK =1   **~-~->   ** Enable Transport Mode.
  * (% style="color:blue" %)**Downlink Payload (prefix 0xAF):**
@@ -621,35 +621,38 @@
  === 3.2.7  Set Positioning Mode ===
--SMOD define the how TrackerD scan and uplink date.
++SMOD define the how TrackerD scan and uplink data:
--GPS室外定位模式：  设备默认模式，设备入网后会发送device当前模式下的信息，随后立即定位发送数据包（默认是3分钟定位，超过将发送无效数据），如果出现意外情况下，快速按键3下，将会发出报警消息（默认每分钟发送一次）。GPS还有一种logdata模式，在断网的情况下将数据存储下来，等到有网的时候，一次将数据以每10秒上报。
--BLE室内定位模式：   设备入网后会发送device当前模式下的信息，随后立即定位发送数据包（默认是5秒，超过将发送无效数据），如果出现意外情况下，快速按键3下，将会发出报警消息（默认每3分钟发送一次）。
++* (% style="color:blue" %)**AT Command:**
--GPS和BLE混动模式：设备入网后会发送device当前模式下的信息，随后立即判断是否在室内，如果是就进行BLE定位，不是就GPS定位。如果出现意外情况下，快速按键3下，将会发出报警消息（默认每分钟发送一次）。
++(% style="color:#037691" %)**AT+SMOD=aa,bb,cc**
--运动模式：               设备入网后会发送device当前模式下的信息，随后发送GPS定位数据，设备判断是否在运动，没有运动传感器没有检测到动作，立即进入静止状态（默认20分钟），如果产生运动，将每5分钟发送一次数据，再第五分钟后检测设备有误运动，无将切换到静止状态，有立即发送数据。
++(% style="color:#037691" %)** aa:**
++* (% style="color:red" %)**1: GPS ONLY(Factory Settings):    **(%%)only get and uplink GPS location info.
++* (% style="color:red" %)**2: BLE ONLY:              **(%%)Only obtain iBeacon info via BLE and uplink. Design for Indoor tracking.
++* (% style="color:red" %)**3: GPS/BLE Hybrid:   **(%%)Combination for Indoor and Outdoor tracking.Devices will try to search BLE iBeacon first. If device can't find the iBeacon, it will use GPS for positioning.
++(% style="color:#037691" %)**bb:**
--* (% style="color:blue" %)**AT Command:**
++* (% style="color:red" %)**0 :  **(%%)GPS+ BAT+ State+Tem&Hum
++* (% style="color:red" %)**1 :**(%%)  GPS +BAT State
--(% style="color:#037691" %)**AT+SMOD=xx. **
++(% style="color:#037691" %)**cc:   **
++* (% style="color:red" %)**1 : **(%%) (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
-- **Example:**
++(% style="color:blue" %)**Example:**
--  AT+ SMOD =1,0    **~-~-> ** GPS+ BAT+ State+Tem&Hum
++  AT+ SMOD =1,0 ,0   ~-~->    GPS+ BAT+ State+Tem&Hum
++  AT+ SMOD =1,1,0    ~-~->    GPS +BAT State
++  AT+ SMOD =2,0,1    ~-~->    (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
--  AT+ SMOD =1,1    **~-~->**  GPS +BAT State
--  AT+ SMOD =2,3    **~-~->**  (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State。
--
--
  * (% style="color:blue" %)**Downlink Payload (prefix 0xA5):**
--(% style="color:#037691" %)**0xA5 01 00**    (%%)   ~/~/  Same as AT+ SMOD =1,0
++(% style="color:#037691" %)**0xA5 01 00 00**    (%%)   ~/~/  Same as AT+ SMOD =1,0,0
@@ -666,7 +666,7 @@
  (% style="color:#037691" %)**AT+FTIME=xx**  (%%) **~-~-> ** Set to use xx as max fix time.
--Example:  AT+FTIME=150
++**Example:**  AT+FTIME=150
  * (% style="color:blue" %)**Downlink Payload (prefix 0xAA):**
@@ -675,7 +675,7 @@
--=== 3.3.9  Set PDOP value for GPS fix accuracy ===
++=== 3.2.9  Set PDOP value for GPS fix accuracy ===
  PDOP(Position Dilution of Precision) filter, TrackerD will only accept GPS data with a lower PDOP value than pre-configure PDOP value. If device can't get a valid GPS packet within FTIME timeout, it will use the GPS data with lowest PDOP value to server.
@@ -703,7 +703,7 @@
  * (% style="color:blue" %)**AT Command:**
--(% style="color:#037691" %)**AT+CFM=xx. **
++(% style="color:#037691" %)**AT+CFM=xx**
  **~ Example:**
@@ -719,6 +719,27 @@
++=== 3.2.10  Auto Send None-ACK messages ===
++
++
++TrackerD will wait for ACK for each uplink, If TrackerD doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. TrackerD keeps sending messages in normal periodically. Once TrackerD gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
++
++
++* (% style="color:blue" %)**AT Command: AT+PNACKMD**
++
++The default factory setting is 0.
++
++
++**Command Example Function Response:**
++
++(% style="color:#037691" %)**AT+PNACKMD=1**  (%%)  ~/~/  Poll None-ACK message OK
++
++
++* (% style="color:blue" %)**Downlink Command: 0x34**
++
++Example: 0x3401     ~/~/  Same as AT+PNACKMD=1
++
++
  = 4.  Setting for Different Scenarios =
@@ -761,7 +761,7 @@
  (% style="color:blue" %)**Step5:** (%%) Select the firmware file (.bin format), com port and proper SPI configure. Clink Start. Bin file location:
--[[https:~~/~~/www.dropbox.com/sh/733s8xlwahhqg1d/AABxDz80lBVX_to8zNuUQWFja?dl=0>>url:https://www.dropbox.com/sh/733s8xlwahhqg1d/AABxDz80lBVX_to8zNuUQWFja?dl=0]]
++[[https:~~/~~/github.com/dragino/TrackerD/releases>>https://github.com/dragino/TrackerD/releases]]
  Users need to use below files:
@@ -798,6 +798,7 @@
  [[image:1664503635019-941.png]]
++
  * (% style="color:#037691" %)**Go to tools ~-~-> Boards ~-~-> Boards Manager**,(%%) **find the esp32 information and install it.**
  [[image:1664503715811-892.png]]
@@ -863,7 +863,6 @@
  |(% style="width:118px" %)B8|(% style="width:67px" %)Grey|(% style="width:123px" %)MTDO/GPIO15
--
  = 8.  Order Info =

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