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254	254
255	255	**Steps:**
256	256
257		-**Calculate the K-value ratio**:
	257	+**~1. Calculate the K-value ratio**:
258	258
259	259	Ratio=Desired Value/Current Value=1500/2000=0.75
260	260
261		-Multiply by the default K-value (1000) to get the new K-value:
	261	+Multiply by the default K-value (1000) to get the new K-value: 0.75×1000=750(Decimal)
262	262
263		-0.75×1000=750(Decimal)0.75×1000=750(Decimal)
	263	+**2. Convert the (% style="color:#037691" %)new K-value(%%) to hexadecimal**:
264	264
	265	+* 750(D) = 0x02EE(H)
265	265
	267	+**3. Send the calibration command to Sensor 2**:
266	266
	269	+* Command Format: **0B 06 00 53 [(% style="color:#037691" %)K-value(%%) (2 bytes)] [CRC]**
	270	+* Example for K-value 0x02EE: 0B 06 00 53 02 EE F8 5D
267	267
268		-if the value of sensor 1 is 1500 and the value of sensor 2 is 2000, it is necessary to keep the values around 1500if the value of sensor 1 is 1500 and the value of sensor 2 is 2000, it is necessary to keep the values around 1500.
	272	+(% style="color:red" %)**Notes:**
269	269
270		-Modify the K value of sensor 2:
	274	+~1. Always use the sensor with the most trusted reading as the reference (do not modify its K-value).
271	271
272		-* K value calculation as follows:
273		-* 1500/2000=0.75,  0.75*1000=750
274		-* Convert 750 to hexadecimal to 02EE.
275		-* Send command to sensor 2
276		-* Send：0B 06 00 53 02 EE F8 5D  Send successfully and return this command
	276	+2. The default K-value 03E8 (1000) implies no scaling. Values below 03E8 reduce the output; values above increase it.
277	277
	278	+3. CRC is auto-generated by the tool (no manual calculation needed).
278	278
279	279
280		-
281	281	= 5. WSS-25 ~-~- Temperature, Humidity, Illuminance, Pressure =
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283	283