Quick Reference Guide - Digital Proprietary Telephone - Model No. KX-DT521/KX-DT543/KX-DT546, KX-DT590

Oct 29, 2026

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Quick Reference Guide for a Digital Proprietary Telephone (DPT) covering models KX-DT521/KX-DT543/KX-DT546 and KX-DT590. Includes supported PBX software file versions and codec type details, plus notes about model suffix handling and illustration differences. Provides safety warnings for smoke/odor/noise, caution for unplugging extension lines, and FCC and Canadian compliance information with hearing-aid T-coil compatibility guidance. Lists included and optional accessories and key functional descriptions for handset, buttons, indicators, and setup.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages24

Reading Time1 h 0 min

AccessFree to download

Important Information

WARNING and CAUTION

FCC and Other Information

Hearing Aid Compatibility and TIA-1083

Accessory Information

Included Accessories

Optional Accessories

Controls and Indicators

LCD and Message/Ringer Lamp

CO Buttons, Handset Hook, Headset Jack

PAUSE/PROGRAM, CONF, MESSAGE, FLASH/RECALL, REDIAL, AUTO ANS/MUTE

Quick Reference Guide Digital Proprietary Telephone Model No. KX-DT521/KX-DT543/KX-DT546 Digital DSS Console Model No. KX-DT590 Thank you for purchasing a Digital Proprietary Telephone (DPT) . Please read this manual carefully before using this product and save this manual for future use. For more details, please refer to the manuals of the PBX. This product supports the following PBX versions and CODEC types: R KX-NS1000: PCMPR Software File Version 3.1000 or later R KX-NCP500/KX-NCP1000: PBMPR Software File Version 8.0100 or later R KX-TDE100/KX-TDE200: PMMPR Software File Version 8.0100 or later R KX-TDE600: PGMPR Software File Version 8.0100 or later R KX-TDA30*1: PSMPR Software File Version 5.0100 or later R KX-TDA50*2: PSMPR Software File Version 6.0100 or later R CODEC: G.711 *1 For Canada only *2 For the United States only Note R In this manual, the suffix of each model number is omitted unless necessary. R The illustrations may differ from the appearance of the actual product. Document Version: 2014–05 Important Information WARNING Disconnect the telephone line cord from this product if this product emits smoke, an abnormal smell, or makes unusual noise. These conditions can cause fire or electric shock. Confirm that smoke has stopped and contact an authorized service center. CAUTION To prevent damage to the telephone, be sure to unplug the extension line before you set up or remove the KX-DT590 (Digital DSS Console) . FCC and Other Information This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. 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 turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: R Reorient or relocate the receiving antenna. R Increase the separation between the equipment and receiver. R Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. R Consult the dealer or an experienced radio/TV technician for help. CAUTION Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this device. WHEN PROGRAMMING EMERGENCY NUMBERS AND (OR) MAKING TEST CALLS TO EMERGENCY NUMBERS: a. Remain on the line and briefly explain to the dispatcher the reason for the call. b. Perform such activities in the off-peak hours, such as early morning or late evenings. This equipment is hearing aid compatible. When you hold the phone to your ear, noise might be heard in your Hearing Aid. Some Hearing Aids are not adequately shielded from external RF (radio frequency) energy. If noise occurs, use the speakerphone option (if applicable) when using this phone. Consult with your audiologist or Hearing Aid manufacturer about the availability of Hearing Aids which provide adequate shielding to RF energy commonly emitted by digital devices. For users in Canada only R This Class B digital apparatus complies with Canadian ICES-003 . R This product meets the applicable Industry Canada technical specifications. Compliance with TIA-1083 standard: | Compatible with Hearing Aid T-Coil | | --- | | | | TIA-1083 | Telephone handsets identified with this logo have reduced noise and interference when used with T-Coil equipped hearing aids and cochlear implants. Accessory Information Included Accessories KX-DT521/KX-DT543/KX

FAQs

What should be done if the telephone emits smoke, an abnormal smell, or unusual noise?

Disconnect the telephone line cord, confirm the smoke has stopped, and contact an authorized service center.

Why should the extension line be unplugged before setting up or removing KX-DT590?

To prevent damage to the telephone.

What hearing-aid compatibility information is provided in the guide?

The equipment is hearing-aid compatible and TIA-1083 T-coil compatibility is indicated; if noise is heard in the hearing aid, use speakerphone if applicable and consult the audiologist or manufacturer.

Oct 29, 2026

Upload by dbqoiu