Viking PA-250 User manual

QUICK START GUIDE
VIKING Electronics, Inc.
KSee Product Manual for complete installation and programming instructions.
1.0 Out-of-Box
1.1 Verify that you have received all of the parts listed
1.2 Download the product manual
1. Go to www.vikingelectronics.com and
enter PA-250 in the search box
2. Under Documents click Product Manual
to open and download the PDF
Scan the QR code to
open and download
the product manual
- OR -
PA-250
250 Watt / 70V
Telecom Paging Amplifier
January 22, 2021
X 3 Terminal Strip 4 Pin
Right Angle Removable
X 2 Terminal Strip 5 Pin
Right Angle Removable
X 1 Bit slotted 2.5 mm
X 1 PA-250
X 1 Y Power Cord
MIC: Microphone Input volume control and LED showing audio input level
ALC: Automatic Level Control adjustment for MIC and PAGE inputs
PAGE: Paging Input volume control and LED showing both activity and audio level
AUX: Auxiliary Input volume control and LED showing both activity and audio level
RING: Volume control and LED indicator for Chime and Loud Ringing tones
MUSIC: Volume control for Background Music Input
BASS: Low frequency tone control
TREBLE: High frequency tone control
MASTER VOLUME: Master volume control and LED level indicator for setting Peak Limiting
POWER: LED indicating power is on (winks off to indicate an overload condition)
250 Watt Telecom Paging Amplifier MIC ALC AUXPAGE RING BASS
MASTER
VOLUME
TREBLE
POWER
MUSIC
VIKING MODEL PA-250
2.0 Features Overview
Use included slotted bit to adjust tamper resistant front panel pots.

3.0 Connections
Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries
assume no responsibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.
See the Product Manual for complete installation and programming instructions.
Questions? Call Viking Product Support: 715-386-8666
PA-250 Quick Start Guide ZF304261 REV A
FXO (LOOP START)
FXS (RING TRIP)
PAGE PORT
PROG
MICROPHONE
SPEAKERS
PAGE CONTACT PAGE INPUT
MIC IN
BACKGROUND MUSIC INPUT
SHIELD
PTT
AC POWER INPUT
(BOTH REQUIRED)
++
SHIELD
AUX INPUT
RINGING LINE IN
25V
70V
25V
CHIME TRIG NIGHT XFER
600 OHM OUTPUT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
+ ++
LOUD
RING
MODEL PA-250
VIKING
250 WATT TELECOM PAGING AMPLIFIER
CHIME TRIG: To trigger one of three different chime tones
NIGHT TRANSFER: To enable (open), or disable (closed) loud ringing
RINGING LINE: A ringing FXS or PABX analog station will trigger loud ringing
BACKGROUND MUSIC INPUT: 3.5mm jack for connecting music source
600 OHM OUTPUT: Output for driving additional amplifiers
SHIELD: Analog ground
AUX INPUT: Auxiliary analog input
PAGE CONTACT: Contact closure input for telecom paging
PAGE INPUT: Analog input for telecom paging
PROG: Push button to access programming mode without security code
FXO/FXS/PAGE PORT: Slide switches for FXO (Loop Start), FXS (Ring
Trip), or Page Port telecom paging
PTT: Push-to-Talk input for microphone
MIC IN: Low level dynamic microphone input
AC POWER INPUT:
Connect to 100V to 240V AC
power using the included
“Y” power cord
SPEAKERS: Connect up
to two hundred fifty (250)
70V or 25V speakers and/or
paging horns