symbols used
The following symbols on the device, packaging and in the instruction manual are used to give important information.
Symbol Meaning
To be used only once
Observe instruction manual
Protect from sunlight
Protect from moisture
Working temperature range
Manufactured on
before operation 3
Symbol
Meaning
(LOT) batch designation
Device BF
Series number
Caution = danger to device/materials
Warning = danger to user
Use-by date
(to be used up to last day of month)
5