DA90 - Headphone amplifier PLANTRONICS - Free user manual and instructions

Product Type	Headphone Amplifier
Brand	Plantronics
Model	DA90
Power Source	USB powered (5V DC)
Connectivity	USB to laptop; also connects to mobile phone via controller
Audio Input	USB from computer
Audio Output	3.5mm headphone jack (typical)
Compatibility	Plantronics headsets (DA70, DA80, DA90 series; EncorePro HW510/HW520)
Controls	Volume control and mute button (common)
LED Indicator	Power/status LED (common)
Cable Length	USB cable approx. 3.3 ft (1 m)
Dimensions (approx.)	2.5 x 2.5 x 1 in (63.5 x 63.5 x 25.4 mm)
Weight (approx.)	0.2 lbs (90 g)
Certifications	FCC Part 15 compliant; CE marked
Country of Origin	Designed in Santa Cruz, California, USA
Included Accessories	Quick Start Guide, USB cable (assumed)
Material	Plastic housing (common)
Maintenance	Clean with dry cloth; avoid liquids
Safety	Do not disassemble; keep away from moisture

Frequently Asked Questions - DA90 PLANTRONICS

How do I connect the Plantronics DA90 headphone amplifier?

Connect your headphones to the DA90. Then connect the DA90 to your laptop via USB cable. For mobile phone use, connect the DA90 to the mobile phone controller (if included) and then to your phone.

What devices is the DA90 compatible with?

The DA90 is compatible with Plantronics headsets such as the DA70, DA80, DA90 series, and EncorePro HW510/HW520. It works with laptops, PCs, and mobile phones via the appropriate controller.

Does the DA90 require batteries?

No, the DA90 is powered entirely via USB. No batteries are needed.

How do I adjust the volume on the DA90?

Use the volume control wheel or button on the DA90 unit to adjust the output volume.

Why is there no sound from my DA90?

First, ensure the DA90 is properly connected via USB. Check that your headphone plug is fully inserted. Verify the volume is turned up on both the DA90 and your computer. Also, check your computer's audio output settings.

How do I mute the microphone or audio?

Press the mute button on the DA90 (if available) to toggle mute. The LED indicator may change color or flash when muted.

What is the warranty for the DA90?

Warranty details are typically provided in the packaging. Contact Plantronics support for specific warranty information.

How do I clean the DA90?

Use a soft, dry cloth to clean the exterior. Avoid using liquids or abrasive cleaners.

Where can I download the user manual for the DA90?

The manual is available for free download at notice-facile.com or Plantronics support website.

Can I use the DA90 with a mobile phone?

Yes, the DA90 can be used with a mobile phone when connected through a compatible mobile phone controller (sold separately or included). It provides amplified audio for your headset.

USER MANUAL DA90 PLANTRONICS

Designed in Santa Cruz, California

QUICK START GUIDE

graph TD
    A["Headphones"] --> B["Mobile Phone Controller"]
    B --> C["Laptop"]
    D["USB Cable"] -->|USB| B
    B -->|USB| C

DECLARATION OF CONFORMITY

We Plantronics, 345 Encinal Street Santa Cruz, California, 95060 USA [phone] declare under our sole responsibility that the product DA70, DA80, and DA90 complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

NEED MORE HELP?

plantronics.com/support

Plantronics, Inc.

345 Encinal Street

Santa Cruz, CA 95060

United States

Plantronics BV

South Point Building C

Scorpius 140

2132 LR Hoofddorp

Netherlands

© 2014 Plantronics, Inc. Plantronics is a registered trademark of Plantronics, Inc. in the US and other countries, and DA70 is a trademark of Plantronics, Inc. All other trademarks are the property of their respective owners.

Patents Pending

202046-03 (07.14)

Recyclable where facilities exist

Final Approval Checklist and Signatures

Please note Final approval requires the examination of a printed proof or comp, in addition to quality control of electronic file.

PRODUCTION QUALITY CONTROL [Production Manager or Production Quality Specialist]

- Template (if used): PM or PQS confirms that art file specs match appropriate template in all details

- Text - Spellcheck performed

- Double spaces deleted

Smart quotes used. No straight quotes or apostrophes

-Soil and hard returns used correctly (Type > Show Hidden Characters)

- Fonts - Consistent spacing, font sizes, and leading used (style sheets if applicable)
- No artificial bold or italic

• Color space and varnishes

a file is in CMYK color mode (File > Document Color Mode)

- All colors in swatch palette not used in actual art have been deleted,

including Black and White

No RGB inks

- Inks/ finishes specified and verified; PMS swatches pulled and confirmed;

number of inks verified with PMX and/or SCZ project manager

- Ink overprinting checked (Attributes)

Black - if art contains photography, all Pantone Black has been converted to 100K

- Rich black (if used) is C42 M42 Y52 K100; not used behind small text

- Slug Ink/finish names match swatch names

- Updated art: revisions accurately noted

- Layers - Layers are correctly organized and labeled

separate layers for slug, die line, inks, foil, spot finishes

"Do Not Print" layers are properly identified and turned off/on

- Artwork layer contains only art

- Blood .125* bleed

Non-bleeding elements maintain safe distance from dieline and folds (minimum: 125°)

- Links 300 ppi images, sized and/or rotated in Photoshop

no RGB links

- Stray points and elements deleted

• Measurements from original drawing deleted

FINAL FILE PREP [Production Manager or Production Quality Specialist]

APPROVAL SIGNATURE:

C Lara ECO

• File reviewed by second designer

• Pre-flight performed using Markzware or similar software

- Final zipped archive contains:

• .ai
• eps [with outlined fonts]
  fonts
• links

from eps. high res PDF (PDF/X-1a:2001)

if using spot varnishes or foil: from eps: low res PDF, one page for each layer

- from .ai: low res PDF with non-outlined tools

plantronics.

Project: DA90

Date: 230714

Component: QSG, WW. 2 color

File Name: 202047-03 DA90_QSG_WW.indd

Ari Masler Number: 202047-03

Part Number: 202046-03

Scale: 1:1

Resolution: 300dpi

Placed Links

Fonts: Gesta Bold, Gesta Regular,

Software. InDesign

Printing Method: Offset lithography or Flexography

Inks

Oyan X PMS 294C

magenta

yellow

black 100%

Original Designer: Necia Robertson

E mail: [e-mail]

Phone: [phone]

Revisions: Necia Robertson

E-mail: [e-mail]

Phone: [phone]

Changes to art after approval: Include date and brief description

Delne:

[DDMMYY] Namelinitials - Reason

Color

[DDMMYY] Namelinitials - Reason

Photography

[DDMMYY] Namelinitials - Reason

Text:

[DDMMYY] Namelinitials - Reason

Other:

230714 NR - replaced existing headset with the EncorePro (HW510/HW520)