V-3-00-EN
4-meter. User Manual
Taking Measurements - Bili-Bed Phototherapy
1. Turning the unit ON and OFF
To turn on: press the ON/OFF button
To turn off: press and hold ON/OFF button
2. Place 4-meter in the middle of the lighted side of the pad or mat-
tress (see figure below). Any disposable covers should be on the pad
or mattress.
3. Read irradiance measurement from the display. Adjust the aim of
4-meter to obtain the maximum reading.
4. Take two additional readings at different places on the pad, then
average all three readings.
5. The values can be ‘frozen’ on the display. Touch the total measure-
ment area to stop the measurement and hold the values.
Phototherapy bed
lighted side up
4-meter
If a Bili-Bed is being used at the same time as an overhead
phototherapy light 4-meter displays combined value of both
devices.
The measurement indicator is flashing during the sensors’
operations. When the ‘hold the values’ function is active, the
indicator stays red.
Operation
Operation
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