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...	...	@@ -108,7 +108,7 @@
108	108	== 2.2 Calibration power meter ==
109	109
110	110
111		-== 2.1 Calibrate a Water Meter ==
	111	+== 2.1 Calibrate a Power Meter ==
112	112
113	113	=== 2.2.1 Introduce ===
114	114
...	...	@@ -193,14 +193,44 @@
193	193
194	194	== 2.3 Calibration gas meter ==
195	195
	196	+=== 2.3.1 Introduce ===
196	196
	198	+This gas meter uses G2.5 membrane gas meter. It features eight dial numbers for measurement accuracy.
197	197
	200	+=== 2.3.2 Fix Sensor to a Gas Meter ===
198	198
	202	+Do the following with EVB_Board
	203	+Debug Board SW12=[off on] : FT4222H SPI Slave mode
	204	+AIoT Board SW123456=[off off off off off off]
199	199
	206	+(% aria-label="image-20240419174248-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174248-4.png||data-widget="image" height="419" width="419"]](% style="background-image: url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background: rgba(220, 220, 220, 0.5); display: none; background-image: url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background: rgba(220, 220, 220, 0.5); display: none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(%%) (% aria-label="image-20240419174159-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174159-3.png||data-widget="image" height="420" width="556"]](% title="Click and drag to resize" %)​
200	200
	208	+Use a hot glue gun and several sticks to attach a triangle for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the water meter.
201	201
	210	+[[image:image-20240420152258-9.jpeg||height="931" width="698"]]
202	202
	212	+(% title="Click and drag to resize" %)​
203	203
	214	+=== 2.1.3 Calibration ===
	215	+
	216	+Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
	217	+
	218	+(% class="box warningmessage" %)
	219	+(((
	220	+(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the visualcppredist_aio_x6_x64_v42.exe configuration environment. Otherwise, an error pop-up window occurs when running software.
	221	+)))
	222	+
	223	+(% aria-label="1713519971789-213.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713519971789-213.png||data-widget="image"]](% title="Click and drag to resize" %)​
	224	+
	225	+Next, select a Baud rate of 921600 and click on "start". Then, click on "show full image" to display the camera screen.
	226	+
	227	+
	228	+
	229	+
	230	+
	231	+
	232	+
	233	+
204	204	== 2.4 Digital wheel dial take point coordinate diagram ==
205	205
206	206	4  numbers：