Viking HF-2WC Instructions d'utilisation

Simply page the intended employee with a question and they can respond by

talking toward the paging horn.

• Two-way paging speaker included

• 25-50 foot operating range

• Paging volume control

• Talk back volume control

• Optional second speaker may be added

The HF-2WC handsfree paging unit allows

employees to respond to a paging message

without reaching for the telephone. It is

perfect for use in city desks, shipping and

service applications where quick answers are

needed.

Allow Employees to Respond to

Paging Messages, Handsfree!

VIKING©

Technical Practice

Telecommunication Peripheral Products HF-2WC

Handsfree Talkback

Amplifier

September 17, 1998

Features Applications

Sales...(715) 386 - 8861

Made in the U.S.A.

Power: 120V AC/13.8V AC 1.25A, UL listed adapter provided

Dimensions: 133mm x 89mm x 44mm (5.25” x 3.5” x 1.75”)

Shipping Weight: 1.36 kg (3 lbs.)

Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95% non-

condensing humidity

Talk Battery: 12V DC

Speaker: (1) 25AE 8 ohm 5 watt horn included, (2) maximum

Connections: RJ11 and screw terminal strip

Maximum Speaker Run: 91 m (300 ft) maximum, 18 AWG

Amplifier: 2 watt output power

Specifications

• City desks

• Shipping docks

• Production floors

• Service desks

• Warehouses

http://www.VikingElectronics.com

[email protected]

The HF-2WC generates its own talk battery

and will interface with unused trunk ports on

PABX’s and key systems or with single line

phones.

Paging and microphone volume sensitivity controls are provided.

TALK BACK

Printed in the U.S.A. ZF280370 Rev DFax Back Doc # 480

Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking

Electronics, its affiliates and/or subsidiaries assume no responsibility for errors and/or omissions contained in this information. Revisions of

this document or new editions of it may be issued to incorporate such changes.

Product Support Line...(715) 386-8666 Fax Back Line...(715) 386-4345

25AE Paging Horn

Single

Line Phone

VIKING©

MODEL HF-2WC

POWER - 13.5V AC 1 2 3 4 5

UNUSED

TRUNK

INPUT

HANDS-FREE TALK-BACK

PAGING SYSTEM

VIKING

ELECTRONICS

HUDSON, WI 54016

PAGING

Paging Volume Control

+-+-

Talk-Back Volume Control

120V AC

Installation

Programming

Unused PABX/KSU

Trunk Port

Note: Turn the Paging

Volume Control counter

clockwise (+) to increase paging

volume, clockwise (-) to

decrease paging volume.

Note: Turn the Talk-Bac

Volume Control counter

clockwise (+) to increase

microphone sensitivity,

clockwise (-) to decrease

microphone sensitivity.

Under a normal background noise environment, set the Paging Volume Control so that the page may be heard as

required. Then set the Talk-Back Volume Control in the middle between the “+” and “-” position. Test talk-back to be

sure that the HF-2WC will switch between paging and talk-back for your desired operating range and noise level. Adjust

the Talk-Back Volume Control as necessary for your environment. The louder the ambient noise level, the more you

will have to decrease the microphone sensitivity and the smaller your talk-back range will be.

If the background noise is too loud for the HF-2WC to operate properly, you may have to add a “Push to Talk” button as

shown in the diagram below.

R9 CR8

100Ω1/4W

Resistor

Normally

Closed

Button

Whenever the button is pressed,

the talk-back will be activated.

Whenever the button is released,

the HF-2WC will function only as

a one-way paging unit.

HF-2WC Circuit Board Layout

Cut this end of CR8

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