MNL-00008 [5] Proprietary and Confidential Page 18 of 55
• To end or cancel an active treatment, first pause the treatment and then tap the Cancel
button
16.2.3 Special Notes
• It is not possible to enter a time of 60 seconds. You must enter 1 minute instead.
• If power goes off during a treatment, the system will remember how much of the
treatment has elapsed. When power is restored, your device provides option to resume
interrupted treatment.
16.2.4 Dosimeter Range and Accuracy
16.3 Time Only Instructions: 3 Series NeoLux, UV Series, 7 Series, M Series,
and 4 Series
16.3.1 Determining a Treatment Time
When using time as a dose, there are two treatment methods that can be used. The simplest is to
start at a prescribed time and then increase treatment times by a specific time increment or by a
percentage. Another method is to use the factory power output levels (shown on the Power
Output Certificate) to determine estimated “time equivalents” needed to deliver doses in
millijoules (UVB) or Joules (UVA or visible light).
To determine a “time equivalent”, consult the laminated Time Chart that is provided and find the
power output on the top row (horizontal axis). The numbers in the left most column (vertical
axis) represent a range of potential treatment doses. Find the dose then trace that row to the right
until it intersects with the column corresponding to the factory power output of the device. The
time equivalent is shown where the two lines intersect. For example, if the factory power output
is 4.0 mW/cm2 and the dose to be delivered is 280 mJ, then the appropriate treatment time will
be 01:10. A partial time chart illustrating this is shown in Table 3 Partial UVB Time Chart on
page 19.
Note: For your convenience, and as an alternative to the UVB time chart, the latest version of
our free iPhone and Android application “Phototherapy Math” is available for download at the
iTunes app store and Android market. It quickly calculates treatment time and makes the
calculation of dose and time increases simple. If using a PC, visit www.phototherapymath.com
for a web-based calculator and additional information.
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