Philips TAT3509 User Manual page 4

 To avoid risk of �re, the equipment is supplied
only by external power source which output
shall comply with PS1 (with output capacity less
than 15W).
Operating and storage temperatures and
humidity
• Store in a place where the
temperature is between -20°C (-4°F)
and 50°C (122 °F) with up to 90%
relative humidity.
• Operate in a place where the
temperature is between 0°C (32°F)
and 45°C (113 °F) with up to 90%
relative humidity.
• Battery life may be shorter in high or
low temperature conditions.
3 EN