Yealink VCM38 Administrator's Guide

| Configuring Camera Settings | 191
Parameter Description Configuration Method
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/CTP18
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
Configuring Aperture Priority
Aperture priority allows you to set a specific aperture value, and then the camera can automatically select
a appropriate shutter speed to match the aperture value via the exposure value measured by the camera
metering system.
About this task
This feature is not applicable to MeetingEye 400/PVT940/VC200/VC200-E.
Procedure
1. Do one of the following:
• On your web user interface, go to Setting > Camera > Exposure.
• On your VCS: go to More > Settings > Basic > Camera > Exposure.
•
On your CTP20/CTP18, tap > Settings > Basic > Camera > Exposure.
2. Select Aperture Priority from the Exposure Mode drop-down menu.

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