Yealink VCM38 Administrator's Guide

| Configuring Camera Settings | 188
Parameter Description Configuration Method
Flicker
Configure the value of camera
flicker frequency.
The supported types are as
follows:
• 50 Hz
• 60 Hz
• Off
The indoor lights powered by a
50Hz or 60Hz power source may
produce a flicker. You can adjust
the camera flicker frequency
according to the power source
that the light is powered by.
Default: 50 Hz.
Web user interface
Endpoint
CTP20/CTP18
Gain Limit
Specify the value.
Note: the valid value is 1 to 15.
For the second generation VCS
devices, the default value is 4;
for the third generation VCS
devices, the default value is 15.
Web user interface
Endpoint
CTP20
Wide Dynamic Range
Off or Specify the WDR.
The value represents the
compression degree of the
dynamic range
Cameras with WDR technology
can work perfectly both in the
bright and the dark conditions
and present clear images that
balances different lighting, so
that you can identify the details.
• Off-do not use WDR.
• 1~5
Note: For MeetingEye 600/
PVT960/VC880/VC800/VC500/
VC200/VC200-E/PVT980/
PVT950, the default value is 2;
for MeetingEye 400/PVT940, the
default value is off.
Web user interface
Endpoint
CTP20/CTP18
Photometry
Configure the value of metering.
• Average
• Central
• Bottom
• Top
Default: Average.
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