Yealink VCM38 Administrator's Guide

| Basic Settings | 121
2. Configure and save the following settings:
Parameter Description Configuration Method
Daylight Saving Time
Configure the type of DST.
The available types are as
below:
• Disabled: do not use DST.
• Enabled-use DST. You can
manually configure the start
time, the end time and the
offset according to your
needs.
• Automatic-use DST. DST will
be configured automatically.
You do not need to manually
configure the start time,
the end time and the offset
according to your needs.
Default: Auto.
Web user interface
Endpoint
CTP20/CTP18
Fixed Type
Specify the DST calculation
methods.
The available DST calculation
methods are as below:
• By Date- specifies the
month, day and hour to be
the DST start/end date.
• By Week- specifies the
month, week, day and hour
the DST start/end date.
Note: It only works when you
enable Daylight Saving Time.
Web user interface
Start Date
When you select By Date as the
fixed type, configure the start
time of DST.
Note: It only works when you
enable Daylight Saving Time.
Web user interface
End Date
When you select By Date as
the fixed type, configure the end
time of DST.
Note: It only works when you
enable Daylight Saving Time.
Web user interface

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