Accutone WT88 Manuale di installazione e manuale d'uso - Pagina 8

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E. DETAILED SPECIFICATIONS OF WT88

other important information to know about!

Battery Problems & Replacement.

troubleshooting your headset battery

If any of the following conditions occur in your headset, you should replace your battery

as soon as possible:

Battery runs out quickly after each recharge, significantly less than 5 hours talk time.

Power of the headset suddenly dies, but after switching the power off and on, the

headset becomes operational again, even after extended period of recharging.

When placed on stand-by the headset power runs out in less than one day.

The headset has no response whatsoever, no LED-indication at all.

replacing your headset battery

Remove the two screws on the back-side of

the Battery Pack (11), with a small Philips

screwdriver.

Carefully open up the cover, take out the

battery as illustrated. Notice there is a sticker

with (+) sign indicating the direction to where

the battery should be inserted.

Only Use Batteries

supplied by Accutone

Conformities & Standards

REFERENCE SPECIFICATIONS

Designed to conform to RF regulations FCC PART 15

FCC id: RNDDA579B

Conform to CE requirements

Designed to conform to SAFETY REGULATIONS

Power Adaptor: 9V DC 500mA Class 2 transformer wall adaptor (CE, TUV)

Headset volume control range: minimum 13dB

Replace the new battery with the (+) sticker

matching the (+) mark etched on the battery

holder. Make sure the two springs are touching

the two metal contacts on the battery.

Close the cover from the top to the bottom

arc, fasten the screws to complete.

If you are uncertain about how to replace the battery, please

bring the product back to your dealer for assistance.

General Specifications

Frequency Bandwidth

: 2403 ~ 2475MHz Bandwidth

Number of Channel

: 40 Channels

Channel Space

: 1.8Hz

Speech Coder

: 32kb/s ADPCM with parity

Type of RF Modulation

: DBPSK modulation/demodulation

Processing Gain

: 11dB

Data Rate

: 80kb/s time division duplex

Frame Rate

: 1ms transmit / 1ms receive

Sampling Rate

: 1.92M samples/s (2 samples/chip)

Transmission Power Levels

(RF Output Terminal Contact)

- headset

: 0dBm

- base station

: 0dBm, -10dBm, -20dBm

Receiver Sensitivity

: -102dBm, -82dBm

Additional Security

: 16 million security codes

Standby Time

: 14 days

Talk Time

: 5 hours

Battery Capacity

: 3.7 V DC/ 550mAh

Please read the following safety instructions before using your wireless headset.

WARNINGS

Operating and storage temperature is 10°C to 40°C

Users should NOT replace any part or component of the WT88 wireless headset and base station, except for the

battery pack. When replacing the rechargeable batteries, only use WT88 replacement batteries, and seek advice from

your dealers before purchasing and installing.

Do not open or mutilate the battery. There may be corrosive material which can cause damage to eye or skin and may

be toxic if swallowed.

Do not dispose the headset or battery in a fire. The battery cells may explode. Check local laws for disposal

instructions.

Do not use liquid cleanser or aerosol cleanser as they may damage the device or finish of the product. Use a dry cloth

to clean the external portions of the product.

Prevent the headset from coming into contact with moisture or liquid, to protect against damage to it or injury to you.

To reduce the risk of electric shock, explosion or fire, use only the supplied power adaptor to charge the device.

Ensure that the voltage rating (e.g. 230V 50Hz) corresponds to the local mains or power supply you intend to use.

Do not disassemble the AC adaptor as this may expose you to dangerous voltages or other risks. Incorrect

reassembly can cause electric shock or fire when the product is subsequently used.

RECYCLING

The battery used in your headset must be recycled or disposed properly. Contact your local recycling center for

proper disposal.

WARRANTY

Do not remove or alter any serial number print or sticker on any part of the device, as this will automatically void the

product's warranty.

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Technical Specifications

RF Specifications

Power line conducted emissions:

SECTION 15.207

PASSED

(Class B Requirement)

Bandwidth (700KHz > 500KHz):

SECTION 15.247(a)

PASSED

Power Output:

SECTION 15.247(b)

PASSED

Spurious Emissions (Conducted):

SECTION 15.247(c)

PASSED

at band edges: 25.3dBc < 20dBc

Spurious Emissions (Radiated):

SECTION 15.247(c)

PASSED

per second 15.209(30-960MHz) up to 10th Harmonics

Power Spectral Density:

SECTION 15.247(d)

PASSED

(5.47dBm < 8dBm)

Processing Gain:

SECTION 15.247(e)

PASSED

(11.2dB > 10dB)

Safety & Warnings

WT88 Wireless Telephone Headset

INSTALLATION GUIDE & USER MANUAL.