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Wireless IEM setup
Three Sennheiser systems. One repeatable stage-ready workflow.
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Three systems
Home-tested references: G 587.000 / A 537.000 / XSW 488.000 MHz. Do not assume these are cleared for a new venue.
TV channel exclusions
Review local TV broadcasts before accepting IEM frequencies. A ZIP code provides only a rough location; use venue coordinates with an authorized lookup provider whenever possible.
Import Shure TV research
Upload a Shure Wireless Workbench .cxl, or load the saved Ananda Mandir sample. The app automatically extracts flagged UHF TV channels and their MHz ranges.
Review automatically populated exclusions
The app labels Shure-flagged channels as Protected / blocked. Unflagged channels remain Unknown until independently verified. Check the affected IEM bands below.
Download WSM exclusion CSV
After reviewing the exclusions, download the proposed blocked-band file. This does not alter WSM or authorize transmission.
How the helper imports this into Sennheiser WSM
- Save a separate backup of the WSM project.
- Open Professional Setup → Frequencies/Bands.
- Click Import list... in the upper list (NOT the spectrum-scan import icon).
- Select the newly downloaded WSM CSV.
- Verify that imported channels read Unusable band / Blocked and review overlaps with existing usable entries.
- Recalculate Coordination; obtain sound-lead approval before Allocation and sending to G4 transmitters.
Saved example: Ananda Mandir preconverted WSM CSV
This downloads all 17 flagged UHF channels in the saved Ananda Mandir export, including channel 14 outside your three IEM tuning ranges. The current-review converter exports only channels overlapping your IEM bands.
Shure-excluded channels are proposed blocked. Unflagged channels stay UNKNOWN until independently reviewed; none is automatically cleared.
WSM import: Frequencies/Bands → Import list, using a COPY of the WSM project. This exports blocked entries only; it does not automatically modify WSM or certify frequencies as legal. Avoid overwriting verified restrictions.
Before programming transmitters
Guided stage workflow
Sound lead sign-off
Record the outcome after testing all three bodypacks together through the shared antenna system.