Yealink VCM38 Administrator's Guide

| Configuring Camera Settings | 197
Parameter Description Configuration Method
Sharpness
Configure the sharpness of the
camera's image.
The sharpness is an indicator
that reflects the definition of the
image plane and the sharpness
of image edge. Increasing the
sharpness will improve the
definition of the image. However,
if the sharpness is set too high,
the image will look distorted and
glaring.
Note: the value is from 0 to 100.
The default value is 15.
Web user interface
Endpoint
CTP20/CTP18
Brightness
Configure the brightness of the
camera's image.
Note: the value is from 0 to 100.
The default value is 50.
Web user interface
Endpoint
CTP20/CTP18
Contrast
Configure the contrast of the
camera's image.
Note: the value is from 0 to
100. For VC880/VC800/VC500/
VC200/PVT980/PVT950,
the default value is 49; for
MeetingEye 600/ MeetingEye
400/PVT960/PVT940/VC200-E,
the default value is 50.
Web user interface
Endpoint
CTP20/CTP18
Noise Reduction (2D)
Specify the noise reduction (2D)
mode.
The available modes are
described as below:
• Off
• Low
• Middle
• High
Default: Middle.
Web user interface
Endpoint
CTP20/CTP18
Noise Reduction (3D)
Specify the noise reduction (3D)
mode. It indicates the coefficient
of the reduced noise in the
image. The higher the coefficient
is, the smaller the noise is.
Valid value: 0 - 22. The default
value is 3.
Web user interface
Endpoint
CTP20/CTP18

Yealink VCM38 Specifications

General

Type	Conference microphone
Noise reduction	Yes
Microphone frequency	100 - 16000 Hz
Microphone sensitivity	-45 dB
Microphone pick-up range	6 m
Number of microphone arrays	8
Maximum sound pressure level (1kHz)	100 dB
Device interface	RJ-45
Connectivity technology	Wired
Maximum operating distance	40 m
Mounting type	Ceiling
Product color	Silver
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 90 %
Number of products included	1 pc(s)
Harmonized System (HS) code	85181000
Power source	DC/PoE
Sustainability certificates	CE, Federal Communications Commission (FCC), REACH, RoHS

Weight and Dimensions

Width	127.3 mm
Height	66.3 mm