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MISTY ELECTRONIC BLINDMASK ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| USER’S MANUAL ORIGINAL USER’S MANUAL Version 1.2 19/04/19...
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Misty Electronic Blindmask User’s Manual Version 1.2 | 19/04/19 Page 1 Contents General description Technical specifications Misty Mask and Misty Student Unit Misty Instructor Unit More than two Misty Student Units Inspection and maintenance Precautions and safety instructions Frequently asked questions...
Misty is an electronic vision-restricting mask, especially developed for situations in which smoke must be simulated but in spaces where it is not possible to set up a LION smoke generator. The instructor operates Misty via a wireless remote with which he can control the “vision” of the students.
Misty Electronic Blindmask User’s Manual Version 1.2 | 19/04/19 Page 3 Technical specifications Misty Instructor Unit Casing material: Battery: 7.2 V / 700 mAh NiMH Range: approx. 25 metres, depending on buildings Radiofrequency: 433.92 MHz Transmitting power: 10 mW Battery life: approx.
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Page 4 Misty Mask and Misty Student Unit Figures 3.1 and 3.2 show the control elements and connections for the Misty Student Unit. Figure 3.1: View from above of Misty Student Unit Figure 3.2: Front and bottom view of Misty Student Unit...
MISTY units at the same time. A MISTY Student Unit will respond to a MISTY Instructor Unit only if both units are set to the same group. Each Misty Student Unit must also be identified as unit A or unit B. Always make sure that one Misty Student Unit is set as unit A and the other as unit B.
(1 beep for unit A and 2 beeps for unit B). If a Misty Mask is connected to the unit, the indicator will blink slowly after initialisation. If a Misty Mask is not connected or if the panic button is accidentally activated, then a long beep will be heard and the indicator will light up continuously after initialisation.
When the battery is almost empty, the Misty Student Unit will produce short pulsating beeps. The status indicator (3) on top of the Misty Student Unit will then light up continually. The low battery warning signal is also sent to the Instructor Unit. Finish the training exercise, and then recharge the unit.
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Group switch Group indicators Automated indicator Automated switch Unobstructed vision indicator Unobstructed vision switch More vision switch Less vision switch Vision indicators Charging connector Figure 3.4: Controls and indicators on Misty Instructor Unit Figure 3.5: Charging connector on Misty Instructor Unit...
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When the “unobstructed vision” option is switched off, the unobstructed vision indicator (10) light will go out. In order to be able to adjust the degree of vision available on the Misty Student Units, this option must be switched off.
Low battery indicator Misty Student Unit When the battery of one of the Misty Student Units is almost empty, the unit sends a signal to the Misty Instructor Unit. The Student Unit indicator (1) for the unit concerned then begins to blink. Finish your training exercise and recharge the battery.
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More than two Misty Student Units It is possible to train students in the same space and to work with more than one Misty set at the same time. To do so, each set is adjusted to a different group. It is also possible to work with more than two Student Units in combination with a single Instructor Unit.
• Never use the system if the casing or cables are damaged, possibly resulting in increased risk for the instructor or student. In such cases, contact LION and have the set repaired. • If no units are being charged, disconnect the battery charger from the mains power.
Instructor Unit on again. Walkie-talkies are also used during the training. The Misty system works on the same frequency range as many walkie-talkies (430 – 440 MHz, The Instructor Unit reports a panic alarm, but none of the students has activated the panic 70cm wavelength band).
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