Features Overview; Ac Power Input - Viking PA-250 Product Manual

IMPORTANT: Electronic devices are susceptible to lightning and power station electrical surges from both the AC outlet
and the telephone line. It is recommended that a surge protector be installed to protect against such surges.
VIKING
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)
Use included slotted bit to adjust tamper resistant front panel pots.
MICROPHONE
FXO (LOOP START)
FXS (RING TRIP)
PAGE PORT
1 2 3 4
PROG
+

Features Overview

PA-250 Front View
MODEL PA-250
250 Watt Telecom Paging Amplifier
PA-250 Back View
LOUD
RING
70V
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
+ + + +
SPEAKERS
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. Connect to earth ground if audible hum or crosstalk is observed
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
PTT: Push-to-Talk input for microphone
MIC IN: Low level dynamic microphone input
MIC ALC PAGE
VIKING
MODEL PA-250
250 WATT TELECOM PAGING AMPLIFIER
22
SPEAKERS: Connect up
to two hundred fifty (250)
70V or 25V speakers and/or
paging horns
Trip), or Page Port telecom paging
2
MASTER
AUX RING MUSIC BASS TREBLE VOLUME

AC POWER INPUT

(BOTH REQUIRED)
AC POWER INPUT:
Connect to 100V to 240V AC
power using the included
"Y" power cord
POWER