Viking fbi-1a Service Manual

VIKING©

	Telecommunication Peripheral Products		FBI-1A
	Technical Practice		Anti-Feedback Paging
			Interface
			August 4, 1999

Totally Eliminate Paging Feedback

Even the best designed paging systems can experience feedback. Now you can eliminate annoying feedback over your paging speakers with Viking’s model FBI-1A digital antifeedback paging interface.

The FBI-1A utilizes state of the art digital recording technology to record the “live” page from a phone system’s paging port output or unused trunk port. The FBI-1A then immediately plays back the recorded page once

or twice (selectable) over the paging system.

Pages of up to 16 seconds (expandable to 60 seconds) can be stored and the FBI-1A automatically adjusts to the page length for faster processing. In addition, the FBI-1A can be programmed to provide pre-page and post-page alert tones.

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Features Applications

•High quality (64K) digital message storage

•High output - 2V RMS into 600 ohms

•16 second record time expands to 1 minute using an ERAM-60 Memory Kit

•Compatible with Paging ports or Trunk ports

•Activate recording from VOX detection, contact closure or loop detect (Trunk mode only)

•VOX sensitivity adjustment

•Cancel page feature

•Selectable page repeat

•Selectable pre-page alert tone

•Selectable post-page alert tone

•Adjustable alert tone volume

•N.O./N.C. relay contacts control paging system

•Record/Playback LED indicator

•Compatible with virtually all paging and telephone systems

Eliminate Paging Feedback in:

•Warehouses, Factories, Offices

•Retail Stores, Hotels, Airports

•Stadiums, School Gymnasiums, Pools

•Casinos, Bingo Halls, Dining Establishments

•Other large noisy areas

Sales...(715) 386 - 8861

Specifications

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: 0.73 kg (1.6 lbs)

Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95% noncondensing humidity

Sampling Rate: 64K (equivalent)

Maximum Page Length: 16 seconds (expandable to 60 seconds with Viking model ERAM-60 memory upgrade kit)

Output Impedance: 600 ohm

Maximum Audio Output: 2V RMS (driving a 600 ohm load) Talk Battery: 24V DC (Trunk mode only)

Connections: 10 position screw terminal block

Installation

VIKING©

MODEL FBI-1A

PAGING

VOX

Paging Volume

VOLUME

SENSITIVITY

VOX Sensitivity - Voice Operated

VIKING

(see Programming section H)

ELECTRONICS

Recording Adjustment

HUDSON, WI 54016

AC

MIN MAX

MIN

MAX

13.8V

DIGITAL ANTI-FEEDBACK

(see Programming section B)

POWER

PAGING INPUT

OHM600 OUTAUDIO

COMMON

PAGERECORD

PAGECANCEL

PAGING INTERFACE

PAGING

120V AC

CONTROL

OUTPUT

PAGING OPTIONS

1 2

3 4

5

6

7 8 9

10

PAGE REPEAT

PRE-PAGE TONE

POST PAGE TONE

	MODE SWITCH
	TRUNK PAGING	PAGE
	PORT PORT	PAGE TONE		Paging Control Output
		LED VOL	1 2 3
Mode Switch (see Programming section A)				(see Programming section D)
Page LED - Lights during recording and playback				N.C. relay contact
				COM. relay contact
(see Programming section I)
				N.O. relay contact
Page Alert Tone Volume (see Programming section G)
				Cancel Page (see Programming section E)
Paging Options (see Programming section C)
				Record Page (see Programming section F)
			N.O.
				Common
Phone System	600 ohm paging port					VIKING©	MODEL CPA-7B
(PABX/KSU)	or unused trunk port					PAGING	VIKING
							RING/ALERT TONE
			600 ohm		POWER13.8V AC	VOLUME	VOLUME		COMMONW/PAGE AUDIBLE	PAGETRIPRINGW/ NIGHTBELL
							SPEAKERS OHM600 OUTAUDIO COMMON BELLNIGHT TRIGGERPAGE	BATTERYTALK
							ELECTRONICS			Model CPA-7B
						GENERAL PURPOSE TELECOM
							HUDSON, WI 54016
						PAGING SYSTEM				Paging Amplifier
										(not included)
			page output			MODE SWITCH	1 2 3 4 5 6 7	8	9	10
						TRUNK/PAGING PORT
			(to paging amp input)			RING TRIP
					PAGING MUSIC TIME
						INPUT INPUT OUT

Programming

A. Mode Switch

In the Trunk Port position, 24V talk battery is supplied for connecting the FBI-1A paging input to a phone system’s unused trunk port. In the Paging Port position, a 600 ohm audio input is supplied for connecting to a phone system’s paging port output.

B. VOX Sensitivity

If the FBI-1A is installed on a phone system’s paging port that does not supply a page control contact (normally open relay contact that closes while the paging port is activated) the VOX (Voice Operated Recording) feature may be used. The VOX sensitivity may require adjustment. Rotate the POT clockwise to increase the sensitivity for low level input signals (see Programming section I).

Note: The VOX (Voice Operated Recording) connected to the record page input of the sensitivity to the minimum level.

feature is not used in the trunk mode or when a page control contact is FBI-1A to trigger the recording. In these applications, set the VOX

C.Paging Options

1.Post-page Tone - The FBI-1A will output a short (high) beep after the entire page has been played, indicating that it is ready to record a new page.

2.Pre-page Tone - The FBI-1A will output a (low) beep before the page, alerting listeners of the oncoming page.

3.Page Repeat - The FBI-1A will play the recorded page twice, eliminating the need to repeat pages.

Note: To disable a feature, move the corresponding DIP switch to the OFF position.

DIP	Switch	Feature
1	- ON	Enables post page tone																ON
2	- ON	Enables pre-page tone		1				2				3
3	- ON	Play message twice																OFF
			1					2				3

VIKING ©

MODEL FBI-1A

PAGING

VOX

VOLUME

SENSITIVITY

VIKING

ELECTRONICS

HUDSON, WI 54016

AC

MIN

MAX

MIN

MAX

13.8V

DIGITAL ANTI-FEEDBACK

POWER

PAGING INTERFACE

RECORD PAGE

CANCEL PAGE

PAGING

AUDIO OUT

CONTROL

COMMON

OUTPUT

PAGING INPUT

600 OHM

PAGING OPTIONS

1

2

3

4

5

6

7

8

9

10

PAGE REPEAT

PRE-PAGE TONE

POST PAGE TONE

MODE SWITCH

TRUNK

PAGING

PAGE

PORT

PORT

PAGE

TONE

LED

VOL

1 2 3