5
before operation 3
symbols used
The following symbols on the device, packaging and in the instruction manual are used to give important information.
Symbol Meaning
Symbol
Meaning
To be used only once
(LOT) batch designation
Observe instruction manual
Product number
Protect from sunlight
Series number
Protect from moisture
Caution = danger to device/materials
Working temperature range
Warning = danger to user
Manufactured on
Use-by date
(to be used up to last day of month)
ibp_TD4222_GB 07.01.2005 8:03 Uhr Seite 5