Polycom SoundPoint IP 450 User Manual

Polycom SoundPoint IP 450 User Guide
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4 Scroll to select high, medium, low, or off, and then press the Select soft
key.
The default level is High.
5 Press the Save soft key to accept your changes.
6 Select Backlight Idle Intensity.
7 Scroll to select high, medium, low, or off, and then press the Select soft
key.
The default level is Low.
8 Press the Save soft key to accept your changes.
9 Select Maximum Intensity.
10 Press the Up or Down soft keys to increase or decrease the maximum
backlight intensity. The other backlight intensities are shown relative to
this value.
11 Press the Ok soft key.
Changing the Backlight Timeout
You can change the length of time your phone is idle before the backlight
changes to the Backlight Idle Intensity.
To change the backlight timeout:
1 Press .

Polycom SoundPoint IP 450 Specifications

Display

display resolution	256 x 116 pixels
display type	backlit grayscale graphical LCD
display backlight	LED backlight with custom intensity control

Audio Features

frequency response	150Hz - 7kHz
codecs	G.722, G.711 μ/A, G.729A, iLBC
full-duplex speakerphone	Type 1 compliant with IEEE 1329

Power

power over ethernet	IEEE 802.3af Class 2
external AC adapter	24VDC/12W
power adapter	Universal, auto-sensing

Operating Environment

operating temperature	0 to 40°C (+32 to 104°F)
storage temperature	-40 to +70°C (-40 to +160°F)
relative humidity	5% to 95%, noncondensing

Size and Weight

dimensions	8.5 x 6 x 6.5 in x 2.5 in (21.5 x 15 x 16.5 x 6.5 cm)
box dimensions	12.5 x 13.25 x 3.5 in (31.75 x 33.5 x 9 cm)
unit weight	2.4 lbs (1.1 kg)