diff --git a/_Sidebar.md b/_Sidebar.md
index 2333eab..5152aed 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -39,52 +39,53 @@
     * [AFSK](AFSK)
     * [AIS Boats](AIS-Boats)
     * [Analog TV](Analog-TV-Receiver)
-      * [APRS](APRS-RX)
-      * [Audio](Audio-Receivers)
-      * [BTLE](Bluetooth-Low-Energy-Receiver)
-      * [ERT Meter](ERT)
-      * [Level](Level)
-      * [NRF](decoder-for-NRF24L01)
-      * [POCSAG](POCSAG-Receiver)
-      * [Radiosonde](Radiosonde)
-      * [Recon](Recon)
-      * [Search](Search)
-      * [TPMS Cars](TPMS-Cars)   
-   * [Transmitters](Transmitters)
-      * [ADS-B(S)](ADS-B(S))
-      * [APRS](APRS-TX)
-      * [BHT Xy/EP](BHT)
-      * Burger Pager
-      * [GPS Sim](GPS-Sim)
-      * [Jammer](Jammer)
-      * [LGE Tool](LGE-Tool)
-      * [Morse](Morse)
-      * [OOK](OOK)
-      * POCSAG
-      * [RDS](RDS)
-      * [Soundboard](Soundboard)
-      * [Spectrum Painter](Spectrum-Painter)
-      * [SSTV](SSTV)
-      * [TEDI/LCR](LCR)
-      * [TouchTunes](TouchTunes)
-   * [Capture](Capture)
-      * [C16 Format](C16-format)
-   * [Replay](Replay)
-   * [Remote](Remote)
-   * [Scanner](Scanner)
-   * [Microphone Transceiver](Microphone-Transceiver)
-   * [Looking Glass](Looking-Glass)
-   * [Tools](Tools)
-      * [Freq manager](Freq-manager)
-      * [File manager](File-manager)
-      * [Notepad](Notepad)
-      * [Signal gen](Signal-Generator)
-      * Wave viewer
-      * [Antenna length](antennas)
-      * Wipe SD card
-      * [Flash Utility](Flash-Utility)
-      * [SD over USB](SD-Over-USB)
-   * [Settings](Settings)
+    * [APRS](APRS-RX)
+    * [Audio](Audio-Receivers)
+    * [BTLE](Bluetooth-Low-Energy-Receiver)
+    * [ERT Meter](ERT)
+    * [Level](Level)
+    * [NRF](decoder-for-NRF24L01)
+    * [POCSAG](POCSAG-Receiver)
+    * [Radiosonde](Radiosonde)
+    * [Recon](Recon)
+    * [Search](Search)
+    * [TPMS Cars](TPMS-Cars)   
+  * [Transmitters](Transmitters)
+    * [ADS-B(S)](ADS-B(S))
+    * [APRS](APRS-TX)
+    * [BHT Xy/EP](BHT)
+    * Burger Pager
+    * [GPS Sim](GPS-Sim)
+    * [Jammer](Jammer)
+    * [LGE Tool](LGE-Tool)
+    * [Morse](Morse)
+    * [OOK](OOK)
+    * POCSAG
+    * [RDS](RDS)
+    * [Soundboard](Soundboard)
+    * [Spectrum Painter](Spectrum-Painter)
+    * [SSTV](SSTV)
+    * [TEDI/LCR](LCR)
+    * [TouchTunes](TouchTunes)
+  * [Capture](Capture)
+    * [C16 Format](C16-format)
+  * [Replay](Replay)
+  * [Remote](Remote)
+  * [Scanner](Scanner)
+  * [Microphone Transceiver](Microphone-Transceiver)
+  * [Looking Glass](Looking-Glass)
+  * [Tools](Tools)
+    * [Antenna length](antennas)
+    * [File manager](File-manager)
+    * [Freq manager](Freq-manager)
+    * [Notepad](Notepad)
+    * [IQ Trim](IQ-trim)
+    * [SD over USB](SD-Over-USB)
+    * [Signal gen](Signal-Generator)
+    * Wave viewer
+    * [Flash Utility](Flash-Utility)
+    * Wipe SD card
+  * [Settings](Settings)
       * [Audio](Settings#audio)
       * [Radio](Settings#radio)
       * [User Interface](Settings#user-interface)