3M 9900 Series owner manual Adjusting speaker volume, Patron counting, To adjust speaker volume

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System operation

Patron counting

A patron counter is mounted on each lattice. Each patron counter will increment only for the corridor it is facing. Since there is always one more lattice than there are corridors, the patron counter facing out, away from the system, will under normal circumstances always have a zero patron count.

Patron counting is set by the technician at installation to either

•Count patrons as they enter through a corridor

•Count patrons as they exit through a corridor

•Count patrons as they enter and count patrons as they exit through a corridor

Each patron counter counts independently. There is not a display for a total running count of all corridors for the system for 2–, 3–, or 4–corridor systems. For a total patron count for multiple-corridor systems, you will need to record and add together the patron counts on the individual patron counters. If the system is configured to count patrons as they enter and as they exit, you will need to divide this total in half, as the system is, in effect, counting each patron twice (once as they enter, and then once as they exit).

Each patron counter is backed up by battery power so it will not reset to zero anytime power to the system is shut off, disconnected, or otherwise interrupted (for example, a power outage).

Adjusting speaker volume

Each lattice has a speaker inside its base that will make the alarm sound if an alarm condition occurs. If the alarm is too loud or too soft, the volume may be adjusted manually.

Note: To adjust the speaker volume, you will need a small (4 mm [0.16 in.] maximum diameter) flat blade screwdriver.

To adjust speaker volume

1. Locate the speaker volume adjustment knob inside the opening for the speaker in the lattice base cover, next to the speaker.

2. Use the small (4 mm [0.16 in.] maximum diameter) flat

Figure 4 Speaker volume adjustment

blade screwdriver in the adjustment knob slot to turn the

 

speaker volume up or down to the desired level.

 

Tip: Use a secured book to trigger the alarm so you can hear it as you adjust the volume.

Note: Adjusting the volume may also affect the frequency (pitch) of the alarm sound.

3.Confirm that the alarm can be heard and is set to a volume level that is effective and appropriate for the library.

4.Repeat for each lattice.

Copyright © 2009 3M. All rights reserved.

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Contents 3M Detection System Model 9900 Series Copyright 2009 3M. All rights reserved Contents Contents Copyright 2009 3M. All rights reserved Safety messages contained in this manual Safety informationExplanation of signal word consequences Explanation of product safety label symbolsLabel locations EMC compliance Europe Regulatory complianceEMC compliance USA and Canada Industry Canada radio frequency rules and regulationsIntroduction Global leader in library system productsWhat this means to you Detection system overview Review of your library’s security policies What to do when the alarm soundsTraining your staff Hands-on practicePossible alarm scenarios Unwanted alarmsAlarm log Detection zone System specificationsPower requirements Environmental specificationsCleaning instructions Cleaning detection latticesPhotocell lens and reflector System operation Turning your system on and offVerifying system operation Adjusting speaker volume To adjust speaker volumePatron counting To reset the patron counter Resetting the patron counterSee Patron counting on TroubleshootingEffective WarrantyAlarm reason Detection system alarm log3M Library Systems Web Site 3M Service3M Service phone numbers Information to gather3M Library Systems
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9900 Series specifications

The 3M 9900 Series represents a significant advancement in personal protective equipment, specifically designed for environments that require enhanced respiratory protection. This series is widely recognized for its innovative features, exceptional performance, and user-centered design, making it a top choice for professionals across various industries, including construction, healthcare, and manufacturing.

One of the standout features of the 3M 9900 Series is its advanced filtration technology. The series utilizes a combination of innovative filter materials that provide superior protection against airborne contaminants, ensuring that wearers are safeguarded from harmful particulates, aerosols, and gases. The filtration efficiency is notably high, allowing for extended use in demanding conditions while maintaining comfort and breathability.

Another key characteristic of the 9900 Series is its ergonomic design. The masks are engineered to fit the contours of the face, reducing the likelihood of gaps that can compromise protection. This snug, comfortable fit allows for extended wear without discomfort, ensuring that users can perform their tasks without distraction. Additionally, the adjustable head straps provide a customizable fit, further enhancing the mask's effectiveness and usability.

The 3M 9900 Series also incorporates a unique exhalation valve, which plays a critical role in comfort during prolonged use. This valve allows for easier exhalation, reducing heat and moisture buildup inside the mask. As a result, wearers experience less fatigue and discomfort, making it ideal for tasks that require extended periods of respiratory protection.

Durability is another prominent feature of the 3M 9900 Series. The materials used in the construction of the masks are robust and designed to withstand the rigors of demanding environments. This durability ensures that users can rely on the 9900 Series for long-term use, making it a cost-effective choice for organizations.

Moreover, the 3M 9900 Series complies with stringent safety standards, providing users with the assurance of high-quality performance. The masks undergo rigorous testing to meet regulatory requirements, ensuring that they deliver reliable protection.

In summary, the 3M 9900 Series is a cutting-edge solution for respiratory protection, characterized by advanced filtration technology, ergonomic design, innovative exhalation valves, and superior durability. With a strong commitment to safety and comfort, the 3M 9900 Series stands as a trusted choice for professionals seeking reliable respiratory protection in challenging environments.
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