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P a g e

GMD1208 User Guide

Version 1.0.1.31

WELCOME

Thank you for purchasing Grandstream GMD1208

Desktop Wireless Microphone. This User Guide

describes the basic concept and tasks necessary to use and configure your GMD1208. This document

covers the topics of microphone environment setups, start the device and the relevant operations like reset

and upgrade. Please visit

http://www.grandstream.com

for additional information.

GMD1208 is an extension microphone companion device for Grandstream audio and video conference

products such as GAC25x0 and GVC32x0 series to increase the overall audio coverage range. With

ultrasound pairing, long talk time, proprietary 2.4G/BLE dual mode and error-resilient long-distance

transmission, GMD1208 brings mobility and flexibility to your powerful conference solutions with ease. Each

GMD1208 unit supports 360-degree full band quality voice pickup, within a radius of 26 feet (8 meters) for

the best user experience. GMD1208 features a multifunctional touch key works just like your Bluetooth

headphone, a LED indicator for status notifications, a well-designed wired/wireless charging base, all these

user-friendly features make GMD1208 an ideal choice for organizations that need optimal microphone

placements with ultra-wide room coverage and crystal-clear audio quality.

Содержание GMD1208

Страница 1: ...Grandstream Networks Inc GMD1208 Desktop Wireless Microphone User Guide ...

Страница 2: ...d The latest electronic version of this guide is available for download here http www grandstream com support Grandstream is a registered trademark and Grandstream logo is trademark of Grandstream Networks Inc in the United States Europe and other countries CAUTION Changes or modifications to this product not expressly approved by Grandstream or operation of this product in any way other than as d...

Страница 3: ...ation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by tu...

Страница 4: ... L exploitation est autorisée aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radioélectrique subi même si le brouillage est susceptible d en compromettre le fonctionnement The device is compliance with RF exposure guidelines users can obtain Canadian information on RF exposure and compliance Le présent ap...

Страница 5: ...ment Packaging 14 Product Description 15 GMD1208 Wireless interface 2 4G BT 16 Powering up off the GMD1208 16 Power on 16 Power off 16 Restarting the GMD1208 16 Charging the GMD1208 17 DEPLOYMENT SCENARIOS 18 Professional usage Small Meeting Room 18 Using single GMD1208 18 Using two GMD1208 connected to GVC3220 18 Education Usage Remote Classroom 19 Personal Usage 19 CONNECTION MODES 20 2 4G Mode ...

Страница 6: ...essful Connection 23 Unpaired 23 Connecting GMD1208 to Laptop via USB Cable UAC Mode 24 Connection Steps 24 USING THE GMD1208 25 2 4G Mode 25 Idle Status 25 Host incoming outgoing call 25 Host in call 25 BT Mode 25 Idle Status 25 Host incoming outgoing call 25 Host in call 25 UAC Mode 25 Idle Status 25 Host incoming outgoing call 26 Host in call 26 Mute Unmute Call 26 UNDERSTANDING LED INDICATORS ...

Страница 7: ...P a g e 7 GMD1208 User Guide Version 1 0 1 31 Upgrading the GMD1208 30 Factory Reset the GMD1208 31 EXPERIENCING THE GMD1208 32 ...

Страница 8: ... LED Indicator Descriptions 27 Table 6 GMD1208 Functionality Trigger Conditions 29 Table of Figures Figure 1 GMD1208 Package Content 14 Figure 2 GMD1208 front and back view 15 Figure 3 GMD1208 connected to GVC3220 20 Figure 4 Wireless Microphone Disconnected 21 Figure 5 Wireless Microphone Instructions 22 Figure 6 Wireless Microphone Connecting 22 Figure 7 GMD1208 Windows Drive 30 Figure 8 GMD1208...

Страница 9: ...and link it to a host device as well as understanding the LED status indicators This guide covers following topics Product Overview Getting Started Deployment Scenarios Connection Modes Connecting the GMD1208 Using the GMD1208 Understanding LED Indicators GMD1208 Functionalities Maintenance Experience the GMD1208 ...

Страница 10: ...ction documents significant changes from previous versions of GMD1208 user manuals Only major new features or major document updates are listed here Minor updates for corrections or editing are not documented here Firmware Version 1 0 1 31 This is the initial version ...

Страница 11: ...VC32x0 series to increase the overall audio coverage range With ultrasound pairing long talk time proprietary 2 4G BLE dual mode and error resilient long distance transmission GMD1208 brings mobility and flexibility to your powerful conference solutions with ease Each GMD1208 unit supports 360 degree full band quality voice pickup within a radius of 26 feet 8 meters for the best user experience GM...

Страница 12: ...ietary 2 4GHz Bluetooth Bluetooth Bluetooth 2 1 EDRRate 1 Mb s for BR 3Mb s for EDR Cascade Ability Up to 2 Auxiliary Ports Micro B USB port LED 1x tri color LED for status indication 1x dual color LED for mute status indication 1x dual color LED for power indication Power Green Energy Efficiency Universal power adapter included Input 220V Output 5V 1A 1500mAh Lithium ion battery 150h standby time...

Страница 13: ... C Storage 10 C to 60 C Humidity 10 to 90 Non condensing Package Content 1x GMD1208 microphone 1x USB cable 1x Power supply 1x quick installation guide 1x GPL license Compliance FCC Part 15 CFR 47 Class B UL 60950 power adapter Part68 HAC CE EN55022 Class B EN55024 EN61000 3 2 EN61000 3 3 EN60950 1 EN62479 RoHS RCM AS ACIF S004 AS NZS CISPR22 24 AS NZS 60950 AS NZS 4268 IC ICES 003 RSS 247 CS 03 R...

Страница 14: ... and information for obtaining the best performance with the GMD1208 Equipment Packaging Table 3 Equipment Packaging Note Check the package before installation If you find anything missing contact your system administrator GMD1208 1xGMD1208 microphone 1x USB cable 1x Power Supply 5V 1A 1x Quick installation guide 1x GPL License Figure 1 GMD1208 Package Content ...

Страница 15: ... 31 Product Description Figure 2 GMD1208 front and back view Note Please make sure to set up the correct mode 2 4G or BT for the microphone Then refer to CONNECTION MODES section on this document to lean and understand the related LED indicators ...

Страница 16: ...evice is off Notes The mute indication will be flashing fast in green during boot up If the GMD1208 was not successfully paired either in 2 4G mode or in BT mode for 10 minutes The mute indicator and working indicator will blink red fast 3 seconds before power off to save energy Power off Forced shutdown Touch and hold the multifunctional button for 10 seconds Normal shutdown Touch and hold the mu...

Страница 17: ...rce via USB cable and provided power supply or other power source OR The power indicator will show the charging status as described below Table 4 Charging Status LED Indicator Status Description Power Indicator Green Slow flashing Charging Green solid Fully charged Red slow flashing Power less than 30 ...

Страница 18: ...P a g e 18 GMD1208 User Guide Version 1 0 1 31 DEPLOYMENT SCENARIOS Professional usage Small Meeting Room Using single GMD1208 Using two GMD1208 connected to GVC3220 Up to 8 attendees GMD1208 r 3m ...

Страница 19: ...P a g e 19 GMD1208 User Guide Version 1 0 1 31 Education Usage Remote Classroom Personal Usage ...

Страница 20: ...Ultra HD Multimedia Conferencing System Notes GVC3220 can connect up to 2x GMD1208 wireless microphones at the same time When GVC3220 works with GMD1208 the max distance between them is 66 feet 20 meters BT Mode Bluetooth Mode BT Mode Bluetooth Mode can be used with host supporting Bluetooth technology UAC Mode UAC Mode can be used to connect GMD1208 to laptop via USB cable Figure 3 GMD1208 connec...

Страница 21: ... the GMD1208 During this time the Working Station Indicator should be solid green 2 4G mode and Mute indicator should be fast blinking green Once powering up the GMD1208 Working Station Indicator will be fast blinking in green to indicate that the device is ready to pair 3 On GVC3220 interface go to Settings Basic Wireless Microphone page Figure 4 Wireless Microphone Disconnected 4 Users can press...

Страница 22: ...ccessful Connection The Working Station Indicator will be solid green when the connection is successful Notes When not connected pressing the mute button will not switch between mute and unmute Before the call is established the mute indicator will not light up Pressing the mute button will not switch between mute and unmute After the call is established the mute light will be slow blinking green ...

Страница 23: ...ng in blue meaning that GMD1208 is not paired yet 3 Find and pair GMD1208 from the host end GMD1208 can be discovered as gmd1208 the last six digits of MAC address 4 When paired Working Status Indicator will be solid blue Successful Connection The Working indicator LED will be solid blue once the GMD is successfully connected to the host device Notes Before the call is established the mute indicat...

Страница 24: ... Device from your PC settings Notes Once PC detects GMD1208 successfully you can find GMD1208 name in device manager audio video controller Only then the mute button double click will be effective You can only enter UAC or upgrade mode after connected via USB To exit UAC mode unplug the USB connection and it will enter the pairing state The Working Station Indicator will be fast blinking green 2 4...

Страница 25: ... Indicator will be solid green with mute button in solid red BT Mode Idle Status The Working Station Indicator will be solid blue with other indicators off Host incoming outgoing call The Working Station Indicator will be solid blue with mute button blinking green fast Host in call In unmuted status The Working Station Indicator will be solid blue with mute button blinking green very slowly In mut...

Страница 26: ...Station Indicator will be off with mute button solid green and Power Indicator will be blinking green slowly charging In muted status The Working Station Indicator will be off with mute button in solid red and Power Indicator will be blinking green slowly charging Mute Unmute Call Single touch Mute button to switch between mute unmute status When on mute Mute indicator will be solid red When not m...

Страница 27: ...iring Connecting in Bluetooth mode Blue Solid Off Off Working in BT mode Blue Solid Green fast flashing Off Booting in BT mode Blue Solid Green slow flashing Off Outgoing Incoming call in BT mode Blue Solid Red Solid Off Call muted when in BT mode Blue Solid Green flashing intermittently Off Call unmuted in BT mode Blue Solid Off Green slow flashing Charging in BT mode Blue Solid Off Green Solid F...

Страница 28: ...Off Green slow flashing Charging in 2 4G mode Green Solid Off Green Solid Fully charged in 2 4G mode Off Green Solid Off UAC mode Yellow slow flashing Off Off Factory reset Green fast flashing Green fast flashing Green fast flashing Upgrade Red Solid Red Solid Red Solid Upgrade failed Red slow flashing Off Off Ultrasonic pairing failed Off Off Red slow flashing Power less than 30 ...

Страница 29: ...off Power off Touch and hold multifunctional button for 3 seconds when the device is work ing in 2 4G mode Work Status Indicator Green slow flashing Start pairing in 2 4G mode Touch and hold multifunctional button for 5 seconds with GMD connected to PC All indicators start fast flashing in green Switch into USB upgrade mode Double touch the multifunctional button with GMD connected to PC Mute Indi...

Страница 30: ... mute button o PC should prompt USB disk detected as GMD1208 and then it will show up beside the available drives in your PC Laptop as shown in below screenshot Figure 7 GMD1208 Windows Drive 2 Drag the firmware file to the USB folder the firmware file name must be gmd1208fw bin o The GMD should detect the file and start the upgrade o During the upgrade the GMD1208 will restart twice After the GMD...

Страница 31: ... Uninstall it and then retry the upgrade steps This problem does not exist when the PC is using Win10 Factory Reset the GMD1208 Users could restore factory default settings Using a small pin to press the button Reset button on the back panel of GMD1208 for more than 10 seconds to reboot and restore to factory reset The Working Station Indicator will be flashing in yellow and then GMD1208 restarts ...

Страница 32: ...eveloper Forum for answers to your general questions If you have purchased our products through a Grandstream Certified Partner or Reseller please contact them directly for immediate support Our technical support staff is trained and ready to answer all of your questions Contact a technical support member or submit a trouble ticket online to receive in depth support Thank you again for purchasing ...

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