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Hollis Prism 2 eCCR User Manual
This is the user manual for the Hollis Prism 2 eCCR, a closed-circuit rebreather designed for technical diving. It provides detailed instructions for setup, operation, and maintenance, including safety warnings about oxygen use, CO2 scrubber handling, and battery requirements. The manual emphasizes that it is supplemental to formal training and not a substitute for certified diving instruction.
The document includes schematics, component descriptions, display explanations, and operational procedures. It also contains safety cautions regarding high-pressure oxygen, system modifications, and the risks of using non-approved parts or off-brand batteries. The manual is intended for certified divers who have completed proper training and understand the risks involved in rebreather diving.
Hollis PRISM 2 specifications
| Maximum Depth | 328 ft (100 m) |
|---|---|
| Operating Temperature Range | 39° - 93° F (4° - 34° C) |
| Flooded Weight | 17 pounds |
Source: Hollis PRISM 2 CCR User Manual
All Hollis PRISM 2 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is DiveCAN?
DiveCAN is a digital communications standard developed specifically for rebreathers.
Are rechargeable batteries recommended for the PRISM 2?
No. Rechargeable batteries are not recommended for use with the PRISM 2.
Can the PRISM 2 be used with third-party parts?
No, users must never substitute any part with third-party items that have not been tested and approved by Hollis.
Does the PRISM 2 have a CO2 warning system?
No, the design does not include technology to detect or warn of dangerous CO2 levels.
Can I use off-brand batteries in the Prism 2?
No, off-brand or discount batteries are not recommended for use in the Prism 2. They may not perform as expected and could lead to hazardous situations.
What is the risk of using non-approved parts in the Prism 2?
Using non-approved parts can alter the breathing, gas delivery, or CO2 absorption characteristics of the Prism 2, potentially creating a dangerous device that could lead to serious injury or death.