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Last modified by robert on 2024/05/17 16:52
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edited by Sima Mousavi
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To version 9.7
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Summary

Details

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142 142  
143 143  === ===
144 144  
145 -----
145 +=== ===
146 146  
147 -== **iDAS Software Overview** ==
147 +=== ===
148 148  
149 -==== **Operating System Compatibility:** ====
149 +=== ===
150 150  
151 -* (((
152 -The iDAS system software is designed to run on the Windows operating system, with the current version compatible with Windows 7.
153 -)))
151 +=== ===
154 154  
155 -==== **Accessing the System:** ====
156 -
157 -* (((
158 -**User Login:** The system is set up to log in automatically as "User", without requiring any credentials.
159 -)))
160 -* **Software Shortcut:** A shortcut to access the iDAS software is conveniently placed on the desktop for easy access.
161 -
162 -==== **Data Acquisition Controls** ====
163 -
164 -* (((
165 -**Start / Stop:** Easily control the start and stop of data acquisition using the current settings.
166 -)))
167 -* **Calibrate Reference:** Recalibrate reference levels as needed.
168 -* **Exit:** Safely exit the iDAS software.
169 -
170 -==== **Configuration iDAS Setup Wizard:** ====
171 -
172 -(% class="wikigeneratedid" %)
173 -Provides a guided, step-by-step process for setting up the iDAS system.
174 -
175 -* (((
176 -**iDAS Configuration:** Access the iDAS configuration window for advanced settings.
177 -)))
178 -* **Trigger Mode:** Opens the trigger configuration window for specific acquisition needs.
179 -
180 -==== **Operating Modes ** ====
181 -
182 -* (((
183 -**Available Modes:** Acoustic, Waterfall, Stacking, Security, and OTDR.
184 -)))
185 -* **Functionality:** Each mode presents the acoustic data from iDAS in unique formats.
186 -* **Detailed Information:** See pages 19-23 of the Standard iDAS manual for comprehensive details on each mode.
187 -
188 -
189 -
190 -=== **Application Type Options** ===
191 -
192 -1. **Diagnostic Setup Only:**
193 -1*. Retrieves current settings for a basic diagnostic overview.
194 -1. **Seismic Application:**
195 -1*. Sets Data Output Frequency to 1000 Hz.
196 -1*. Adjusts Data Output Spatial Resolution to 2 meters.
197 -1. **Flow Monitoring:**
198 -1*. Changes Data Output Frequency to 10,000 Hz.
199 -1*. Sets Data Output Spatial Resolution to 0.25 meters.
200 -1. **Security Monitoring:**
201 -1*. Configures Data Output Frequency to 1000 Hz.
202 -1*. Sets Data Output Spatial Resolution to 2 meters.
203 -
204 -
205 -[[image:1706508500303-165.png]]
206 -
207 -
208 -=== **Detailed Parameter Information** ===
209 -
210 -1. **Time Decimation and Output Decimation:**
211 -1*. These values are calculated based on the physical fiber length.
212 -1. **Measure Length (m):**
213 -1*. Generated value: 10176 meters.
214 -1*. Note: 'Measure Length' includes the reference fiber inside the iDAS unit, differentiating it from 'Physical Fibre Length'.
215 -1. **Pulse Width (ns):**
216 -1*. Generated value: 50 nanoseconds.
217 -1*. Spatial Extent: A 50ns pulse corresponds to a 10m spatial extent.
218 -
219 -
220 -[[image:1706508761205-307.png]]
221 -
222 -
223 -
224 -
225 -
226 -=== **Optimal Light Management** ===
227 -
228 -* **Objective:** Achieve balanced light distribution across the region of interest in the iDAS system.
229 -
230 -=== **Adjustment Guidelines** ===
231 -
232 -1. **Setting Optical Power:**
233 -1*. Aim to have the start of the region of interest around or below +4000 units.
234 -1*. Ensure the far end of the region of interest does not enter a non-linear response scheme.
235 -1. **Consideration for Short Fibers:**
236 -1*. In cases where the fiber length is short and non-linear effects are not observed, set the Optical Power to its maximum.
237 -1*. **Power Scale:** The adjustment slider ranges from 0-100, representing the percentage of maximum power available.
238 -
239 -=== **Note on Optical Power Control** ===
240 -
241 -* **Control Mechanism:** The slider provides a precise control mechanism to manage the intensity of light sent through the fiber.
242 -* **Monitoring and Adjustment:** Continuously monitor and adjust as necessary to ensure optimal performance.
243 -
244 -
245 -[[image:1706509177362-144.png]]
246 -
247 -
248 -
249 -
250 -
251 -XXXXXXXXXXX
252 -
253 -[[image:1706509232964-660.png]]
254 -
255 -
256 -
257 -== **Integrating GPS Antenna for Accurate Timing** ==
258 -
259 -=== **Installation and Connection Process** ===
260 -
261 -**Connecting the GPS Antenna:**
262 -
263 -* Connect one end of a coaxial cable with SMB female connectors to the GPS antenna.
264 -* If you plan to mount the antenna, do so before connecting the cable.
265 -* Connect the other end of the cable to the 'GPS Ant.' port located on the output panel at the front of the iDAS unit.
266 -
267 -=== **Monitoring GPS Status and Time** ===
268 -
269 -* **GPS Information Display:** The GPS status and time are displayed on the Tool Bar of the iDAS software.
270 -* **Status Indicators:**
271 -** **Red:** Antenna is not connected.
272 -** **Amber:** Antenna connected, but self-survey not completed.
273 -** **Green:** Antenna connected, self-survey completed, and timing is accurate.
274 -
275 -[[image:1706509432197-316.png]]
276 -
277 -
278 -
279 -
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281 -
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283 -
284 -
285 -
286 -
287 -
288 -
289 -=== [[image:1706506304897-924.png]] ===
290 -
291 -[[image:1706506500585-231.png]]
292 -
293 293  ----
294 294  
295 295  = **Silixa iDAS Setup Manual for Reoccupying/Duplicating Experiment** =
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