Changes for page LT-22222-L -- LoRa I/O Controller User Manual

Last modified by Mengting Qiu on 2025/06/04 18:42

From 233.1 to 232.1 From 241.1 to 240.1

From version 240.1

edited by Dilisi S
on 2025/01/19 19:00

Change comment: Jan 19 - Fixed typos

To version 233.1

edited by Dilisi S
on 2024/12/17 04:56

Change comment: Uploaded new attachment "lt-22222-l-dashboard.png", version {1}

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@@ -124,12 +124,12 @@
  (% border="1" cellspacing="3" style="width:510px" %)
  |(% style="background-color:#4f81bd; color:white; width:94px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:172px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:244px" %)**Description**
--|(% style="width:94px" %)**LT-33222-L**|(% style="width:172px" %)(((
++|(% style="width:94px" %)**LT-22222-L**|(% style="width:172px" %)(((
  (% style="text-align:center" %)
  [[image:lt33222-l.jpg||height="110" width="95"]]
  )))|(% style="width:256px" %)(((
--* 3 x Digital Input (Bi-direction)
--* 3 x Digital Output
++* 2 x Digital Input (Bi-direction)
++* 2 x Digital Output
  * 2 x Relay Output (5A@250VAC / 30VDC)
  * 2 x 0~~20mA Analog Input (res:0.01mA)
  * 2 x 0~~30V Analog Input (res:0.01v)
@@ -151,7 +151,7 @@
  == 2.2 Terminals ==
--The  LT-22222-L has two screw terminal blocks. The upper screw terminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals.
++The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals.
  **Upper screw terminal block (from left to right):**
@@ -201,7 +201,7 @@
  == 3.1 Prerequisites ==
--The LT-22222-L comes with device registration information such as DevEUI, AppEUI, and AppKey which allows you to register it with a LoRaWAN network. This registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
++The LT-22222-L comes with device registration information such as DevEUI, AppEUI, and AppKey that allows you to register it with a LoRaWAN network. These registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
  [[image:image-20230425173427-2.png||height="246" width="530"]]
@@ -241,6 +241,7 @@
  * Go to your application's page and click on the **End devices** in the left menu.
  * On the End devices page, click on **+ Register end device**. Two registration options are available:
++
  ==== 3.2.1.1 Using the LoRaWAN Device Repository ====
@@ -261,19 +261,12 @@
  ** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'.
  ** In the **DevEUI** field, enter the **DevEUI**.
  ** In the **AppKey** field, enter the **AppKey.**
--** In the **End device ID** field, enter a unique name for your LT-22222-L within this application.
++** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
  ** Under **After registration**, select the **View registered end device** option.
--** Click **Register end device** button.
  [[image:lt-22222-l-dev-repo-reg-p2.png]]
--* You will be navigated to the **Device overview** page.
--
--
--[[image:lt-22222-device-overview.png]]
--
--
  ==== 3.2.1.2 Adding device manually ====
@@ -309,7 +309,7 @@
  === 3.2.2 Joining ===
--On the end device's page (in this case, lt-22222-l), click on **Live data** tab. The Live data panel for your device will display. Initially, it is blank.
++On the Device's page, click on **Live data** tab. The Live data panel for your device will display.
  Now power on your LT-22222-L. The **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack network server. The **TX LED** will be on for **5 seconds** after joining the network. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server.
@@ -320,14 +320,14 @@
  === 3.2.3 Uplinks ===
--After successfully joining, the device will send its first **uplink data message** to The Things Stack application it belongs to (in this example, it is **dragino-docs**). When the LT-22222-L sends an uplink message to the server, the **TX LED** turns on for **1 second**. By default, you will receive an uplink data message from the device every 10 minutes.
++After successfully joining, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**). When the LT-22222-L sends an uplink message to the server, the **TX LED** turns on for **1 second**. By default, you will receive an uplink data message from the device every 10 minutes.
--Click on one of the **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the **decode_payload {}** JSON object.
++Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object.
  [[image:lt-22222-ul-payload-decoded.png]]
--If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **Applications > [your application] > End devices** > [**your  end device]** > **Payload formatters** > **Uplink**. Then select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes.
++If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **Applications > your application > End devices** > **your  end device** > **Payload formatters** > **Uplink**. Then  select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes.
  {{info}}
  The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters.
@@ -336,7 +336,7 @@
  [[image:lt-22222-ul-payload-fmt.png]]
--We have written a payload formatter that resolves some decoding issues present in The Things Stack Device Repository payload formatter. You can add it under the **Custom JavaScript formatter**. It can be found [[here>>https://github.com/dragino/dragino-end-node-decoder/blob/main/LT22222-L/v1.6_decoder_ttn%20.txt]]:
++We also have a payload formatter that resolves some decoding issues present in the Device Repository formatter. You can add it under the Custom JavaScript formatter. It can be found [[here>>https://github.com/dragino/dragino-end-node-decoder/blob/main/LT22222-L/v1.6_decoder_ttn%20.txt]]:
  (% class="wikigeneratedid" %)
  [[image:lt-22222-l-js-custom-payload-formatter.png]]
@@ -345,7 +345,7 @@
  === 3.2.4 Downlinks ===
--When the LT-22222-L receives a downlink message from the LoRaWAN Network Server, the **RX LED** turns on for **1 second**.
++When the LT-22222-L receives a downlink message from the server, the **RX LED** turns on for **1 second**.
  == 3.3 Working Modes and Uplink Payload formats ==
@@ -733,7 +733,7 @@
  AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
--AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage is lower than 5V. Use 0 for parameters that are not in use)
++AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
  (% style="color:#4f81bd" %)**Trigger based on current**:
@@ -789,7 +789,7 @@
  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
--MOD6 Payload: a total of 11 bytes
++MOD6 Payload: total of 11 bytes
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
@@ -803,7 +803,7 @@
  MOD(6)
  )))
--(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Total 1 byte as below.
++(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
@@ -832,7 +832,7 @@
  10100000: This means the system is configured to use the triggers AV1_LOW and AV2_LOW.
--(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is triggered. Total 1 byte as below.
++(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
@@ -861,7 +861,7 @@
  10000000: The uplink is triggered by AV1_LOW, indicating that the voltage is too low.
--(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is triggered. Total 1 byte as below.
++(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |(% style="width:50px" %)**bit 7**|(% style="width:50px" %)**bit 6**|(% style="width:50px" %)**bit 5**|(% style="width:50px" %)**bit 4**|(% style="width:90px" %)**bit 3**|(% style="width:80px" %)**bit 2**|(% style="width:90px" %)**bit 1**|(% style="width:95px" %)**bit 0**
@@ -871,7 +871,7 @@
  **Example:**
--00000111: This means both DI1 and DI2 triggers are enabled, and this packet is triggered by DI1.
++00000111: This means both DI1 and DI2 triggers are enabled, and this packet is trigger by DI1.
  00000101: This means both DI1 and DI2 triggers are enabled.
@@ -882,7 +882,7 @@
  **AB 06**
--When the device receives this command, it will send the MOD6 payload.
++When device receives this command, it will send the MOD6 payload.
  === 3.3.7 Payload Decoder ===
@@ -903,7 +903,7 @@
  (((
  (((
--There are two types of commands:
++There are two tytes of commands:
  )))
  )))
@@ -915,7 +915,7 @@
  (((
--These are available for each sensor and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s.
++These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s.
  )))
@@ -1106,7 +1106,7 @@
  |(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
  AB 06
--Uplink the trigger settings.
++Uplinks the trigger settings.
  )))
  ==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
@@ -1335,7 +1335,7 @@
  )))
  |(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--==== 3.4.2.11 Trigger – Set the minimum interval ====
++==== 3.4.2.11 Trigger – Set minimum interval ====
  Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger.
@@ -1473,7 +1473,7 @@
  (% style="color:red" %)**Note: **
--   Since firmware v1.6.0, the latch time supports 4 bytes or 2 bytes
++   Since firmware v1.6.0, the latch time support 4 bytes or 2 bytes
     Before firmware v1.6.0, the latch time only supported 2 bytes.
@@ -1498,67 +1498,56 @@
  **A9 00 11 01 00 07 D0**
--DO1 pin takes no action, DO2 pin is set to low, and DO3 pin is set to high. This lasts for 2 seconds, after which the DO1 pin takes no action, the DO2 pin is set to high, and the DO3 pin is set to low.
++DO1 pin takes no action, DO2 pin is set to low, and DO3 pin is set to high. This lasts for 2 seconds, after which DO1 pin takes no action, DO2 pin is set to high, and DO3 pin is set to low.
  )))
++
  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
--(% style="color:#037691" %)**AT Command:**
++* (% style="color:#037691" %)**AT Command:**
--There is no AT Command to control the Relay Output.
++There is no AT Command to control the Relay Output
--(% style="color:#037691" %)**Downlink Payload**
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
--(% border="2" style="width:500px" %)
--|(% style="width:113px" %)**Prefix**|(% style="width:384px" %)0x03
--|(% style="width:113px" %)**Parameters**|(% style="width:384px" %)(((
--**RO1_status** : 1 byte in hex
++(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Sets RO1/RO2 output
--00: Close
--01: Open
++(((
++If the payload is 0x030100, it means setting RO1 to close and RO2 to open.
++)))
--11: No action
++(((
++00: Close ,  01: Open , 11: No action
--
--**RO2_status** : 1 byte in hex
--
--00: Close
--
--01: Open
--
--11: No action
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
++|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
++|03  00  11|Open|No Action
++|03  01  11|Close|No Action
++|03  11  00|No Action|Open
++|03  11  01|No Action|Close
++|03  00  00|Open|Open
++|03  01  01|Close|Close
++|03  01  00|Close|Open
++|03  00  01|Open|Close
  )))
--|(% style="width:113px" %)**Payload format**|(% style="width:384px" %)<prefix><RO1_status><RO2_status>
--|(% style="width:113px" %)**Example**|(% style="width:384px" %)(((
--(% border="2" %)
--|=Payload|=RO1|=RO2
--|03  00  11|Open|No action
--|03  01  11|Close|No action
--|03  11  00|No action|Open
--|03  11  10|No action|Close
--|03  00  00|Open|Open
--|03  01  01|Close|Close
--|03  01  00|Close|Open
--|03  00  01|Open|Close
--(% style="color:red" %)**The device will transmit an uplink packet if the downlink payload is executed successfully.**
--)))
++(% style="color:red" %)**The device will uplink a packet if the downlink code executes successfully.**
++
  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
  Controls the relay output time.
++* (% style="color:#037691" %)**AT Command:**
--(% style="color:#037691" %)**AT Command:**
--
  There is no AT Command to control the Relay Output
--(% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
  (% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Sets RO1/RO2 relays with time control
@@ -1569,9 +1569,9 @@
  (% style="color:#4f81bd" %)**Second byte (aa)**(%%): Inverter Mode
--01: Relays will change back to their original state after a timeout.
++01: Relays will change back to their original state after timeout.
--00: Relays will change to the inverter state after a timeout.
++00: Relays will change to the inverter state after timeout.
  (% style="color:#4f81bd" %)**Third byte (bb)**(%%): Control Method and Ports status:
@@ -1600,7 +1600,7 @@
  **2. 05 01 10 07 D0**
--Relay1 will change to NC, Relay2 will change to NO, lasting 2 seconds, and then both will revert to their original state.
++Relay1 will change to NC, Relay2 will change to NO, lasting 2 seconds, then both will revert to their original state.
  **3. 05 00 01 07 D0**
@@ -1631,7 +1631,7 @@
  **1**: higher than
--if you leave the logic parameter blank, it is considered 0
++if you leave logic parameter blank, it is considered 0
  )))
  |(% style="width:137px" %)**Examples**|(% style="width:361px" %)(((
  AT+VOLMAX=20000
@@ -1662,7 +1662,7 @@
  **1**: higher than
--if you leave the logic parameter blank, it is considered 1 (higher than)
++if you leave logic parameter blank, it is considered 1 (higher than)
  )))
  |(% style="width:140px" %)**Example**|(% style="width:358px" %)(((
  A5 **4E 20**
@@ -1926,7 +1926,7 @@
  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
--This command controls the behavior of the node when the combined size of the MAC commands (MACANS) from the server and the payload exceed the allowed byte limit for the current data rate (DR). The command provides two modes: one enables splitting the data into batches to ensure compliance with the byte limit, while the other prioritizes the payload and ignores the MACANS in cases of overflow.
++This command controls the behavior of the node when the combined size of the MAC commands (MACANS) from the server and the payload exceeds the allowed byte limit for the current data rate (DR). The command provides two modes: one enables splitting the data into batches to ensure compliance with the byte limit, while the other prioritizes the payload and ignores the MACANS in cases of overflow.
  (% style="color:#037691" %)**AT Command**
@@ -1995,15 +1995,15 @@
  There is no downlink option available for this feature.
--==== 3.4.2.26 Query firmware version, frequency band, subband, and TDC time ====
++==== 3.4.2.26 Query firmware version, frequency band, sub band, and TDC time ====
--This command is used to query key information about the device, including its firmware version, frequency band, subband, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device.
++This command is used to query key information about the device, including its firmware version, frequency band, sub band, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device.
  * (((
  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
--(% style="color:blue" %)**26 01  ** (%%)  ~/~/  The downlink payload 26 01 is used to query the device's firmware version, frequency band, subband, and TDC time.
++(% style="color:blue" %)**26 01  ** (%%)  ~/~/  The downlink payload 26 01 is used to query the device's firmware version, frequency band, sub band, and TDC time.
@@ -2058,7 +2058,7 @@
  * Ensure the following options are turned on.
  ** Enable integration
  ** Debug mode
--** Allow creating devices or assets
++** Allow create devices or assets
  * Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
  [[image:thingseye-io-step-2.png]]
@@ -2133,7 +2133,7 @@
  [[image:thingseye-events.png]]
--* To view the **JSON payload** of a message, click on the **three dots (...)** in the **Message** column of the desired message.
++* To view the **JSON payload** of a message, click on the **three dots (...)** in the Message column of the desired message.
  [[image:thingseye-json.png]]
@@ -2144,16 +2144,12 @@
  If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
--==== 3.5.2.4 Viewing sensor data on a dashboard ====
++==== 3.5.2.4 Creating a Dashboard to Display and Analyze LT-22222-L Data ====
--You can create a dashboard with ThingsEye to visualize the sensor data coming from the LT-22222-L. The following image shows a dashboard created for the LT-22222-L. See **Creating a dashboard** in ThingsEye documentation for more information.
++This will be added soon.
--
--[[image:lt-22222-l-dashboard.png]]
--
--
  == 3.6 Interface Details ==
  === 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active) ===
@@ -2368,7 +2368,7 @@
  == 3.7 LED Indicators ==
--The table below lists the behaviour of LED indicators for each port function.
++The table below lists the behavior of LED indicators for each port function.
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
@@ -2375,11 +2375,11 @@
  |**PWR**|Always on when there is power
  |**TX**|(((
  (((
--Device booting: TX blinks 5 times.
++Device boot: TX blinks 5 times.
  )))
  (((
--Successful network joins: TX remains ON for 5 seconds.
++Successful network join: TX remains ON for 5 seconds.
  )))
  (((
@@ -2463,13 +2463,13 @@
  * ##**AT+FCU**##: Get or set the Frame Counter Uplink (FCntUp)
  * ##**AT+FCD**##: Get or set the Frame Counter Downlink (FCntDown)
  * ##**AT+CLASS**##: Get or set the Device Class
--* ##**AT+JOIN**##: Join Network
++* ##**AT+JOIN**##: Join network
  * ##**AT+NJS**##: Get OTAA Join Status
  * ##**AT+SENDB**##: Send hexadecimal data along with the application port
  * ##**AT+SEND**##: Send text data along with the application port
--* ##**AT+RECVB**##: Print the last received data in binary format (with hexadecimal values)
--* ##**AT+RECV**##: Print the last received data in raw format
--* ##**AT+VER**##: Get the current image version and Frequency Band
++* ##**AT+RECVB**##: Print last received data in binary format (with hexadecimal values)
++* ##**AT+RECV**##: Print last received data in raw format
++* ##**AT+VER**##: Get current image version and Frequency Band
  * ##**AT+CFM**##: Get or Set the confirmation mode (0-1)
  * ##**AT+CFS**##: Get confirmation status of the last AT+SEND (0-1)
  * ##**AT+SNR**##: Get the SNR of the last received packet
@@ -2497,7 +2497,7 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT command access**##
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
  )))
  (((
@@ -2505,7 +2505,7 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT command access**##
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
  )))
  (((
@@ -2536,7 +2536,7 @@
  (((
--(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter the password to enable AT commands access
++(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter password to enable AT commands access
  )))
  )))
@@ -2545,7 +2545,7 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter the password to enable AT command access
++(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter password to enable AT commands access
  )))
  (((
@@ -2627,7 +2627,7 @@
  == 5.1 Counting how many objects pass through the flow line ==
--See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]].
++See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
  = 6. FAQ =
@@ -2697,13 +2697,13 @@
  )))
  (((
--You can follow the introductions on [[how to upgrade the image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
++You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
  )))
  (((
--== 6.3 How to set up LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
++== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
  )))
@@ -2805,9 +2805,9 @@
  * If the device is not properly shut down and is directly powered off.
  * It will default to a power-off state.
  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
--* After a restart, the status before the power failure will be read from Flash.
++* After a restart, the status before the power failure will be read from flash.
--== 6.8 Can I set up LT-22222-L as an NC (Normally Closed) relay? ==
++== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
  The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below: