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The app supports many transfer syntaxes, and gives you the following choices to enable and prioritize them:

• Expand
  title Explicit Little Endian
  Explicit VR Little Endian; Implicit VR Little Endian; JPEG 2000 Image Compression (Lossless Only); JPEG 2000 Image Compression; JPEG-LS Lossless Image Compression; JPEG-LS Lossy (Near- Lossless) Image Compression; JPEG Lossless, Nonhierarchical (Processes 14); JPEG Baseline (Process 1); JPEG Baseline (Processes 2 & 4); RLE Lossless; MPEG2 Main Profile Main Level; JPEG Baseline (Process 1);

• Explicit Little Endian: Explicit VR Little Endian; Implicit VR Little Endian; JPEG 2000 Image Compression (Lossless Only); JPEG 2000 Image Compression; JPEG-LS Lossless Image Compression; JPEG-LS Lossy (Near- Lossless) Image Compression; JPEG Lossless, Nonhierarchical (Processes 14); JPEG Baseline (Process 1); JPEG Baseline (Processes 2 & 4); RLE Lossless; MPEG2 Main Profile Main Level; JPEG Baseline (Process 1);
• JPEG 2000 Lossless & Lossy: JPEG 2000 Image Compression; JPEG 2000 Image Compression (Lossless Only); JPEG-LS Lossy (Near- Lossless) Image Compression; JPEG-LS Lossless Image Compression; Explicit VR Little Endian; Implicit VR Little Endian; JPEG Lossless, Nonhierarchical (Processes 14); JPEG Baseline (Processes 2 & 4); JPEG Baseline (Process 1); RLE Lossless; MPEG2 Main Profile Main Level; Explicit VR Big Endian;
• JPEG LS Lossless & Lossy: JPEG-LS Lossy (Near- Lossless) Image Compression; JPEG-LS Lossless Image Compression; JPEG 2000 Image Compression; JPEG 2000 Image Compression (Lossless Only); Explicit VR Little Endian; Implicit VR Little Endian; JPEG Lossless, Nonhierarchical (Processes 14); JPEG Baseline (Processes 2 & 4); JPEG Baseline (Process 1); Explicit VR Big Endian;
• JPEG Lossless: JPEG Lossless, Nonhierarchical (Processes 14); JPEG Baseline (Processes 2 & 4); JPEG Baseline (Process 1); JPEG 2000 Image Compression (Lossless Only); JPEG 2000 Image Compression; JPEG-LS Lossless Image Compression; JPEG-LS Lossy (Near- Lossless) Image Compression; Explicit VR Little Endian; Implicit VR Little Endian; RLE Lossless; MPEG2 Main Profile Main Level; Explicit VR Big Endian;
• JPEG Baseline: JPEG Baseline (Process 1); JPEG Baseline (Processes 2 & 4); JPEG Lossless, Nonhierarchical (Processes 14); JPEG 2000 Image Compression (Lossless Only); JPEG 2000 Image Compression; JPEG-LS Lossless Image Compression; JPEG-LS Lossy (Near- Lossless) Image Compression; Explicit VR Little Endian; Implicit VR Little Endian; RLE Lossless; MPEG2 Main Profile Main Level; Explicit VR Big Endian;
• JPEG Extended: JPEG Baseline (Processes 2 & 4); JPEG Lossless, Nonhierarchical (Processes 14); JPEG Baseline (Process 1); JPEG 2000 Image Compression (Lossless Only); JPEG 2000 Image Compression; JPEG-LS Lossless Image Compression; JPEG-LS Lossy (Near- Lossless) Image Compression; Explicit VR Little Endian; Implicit VR Little Endian; RLE Lossless; MPEG2 Main Profile Main Level; Explicit VR Big Endian;
• RLE: RLE Lossless; Explicit VR Little Endian; Implicit VR Little Endian; JPEG 2000 Image Compression; JPEG Lossless, Nonhierarchical (Processes 14); JPEG Baseline (Processes 2 & 4); JPEG Baseline (Process 1); MPEG2 Main Profile Main Level; Explicit VR Big Endian;
• Implicit Little Endian Only: Implicit VR Little Endian;
• JPEG 2000 Lossless Only: JPEG 2000 Image Compression (Lossless Only); Explicit VR Little Endian; Implicit VR Little Endian; JPEG-LS Lossless Image Compression; Explicit VR Big Endian;
• JPEG LS Lossless Only: JPEG-LS Lossless Image Compression; Explicit VR Little Endian; Implicit VR Little Endian; JPEG 2000 Image Compression (Lossless Only); Explicit VR Big Endian;

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In the app, C-ECHO SCU is initiaited by user actions in the DICOM printing interface. DICOM printers can be configured in the DICOM Print preferences.

Logging

OnePacs Workstation for macOS allows you to log DICOM communications. In the Listener preferences you can enable this function, and choose for how long logs are kept.