Sony SRX-R515P Installation Manual page 23

2. Attach the lens to the projector while firmly holding the lens not to drop it and aligning the position.
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When attaching the lens to the projector, insert it straight.
3. Lower the lens fixing lever to fix the lens.
Lens
SRX-R515P
Lens
Lens fixing lever
Lens fixing lever
2-3 (E)