ASL INTERCOM PS 260T Podręcznik użytkownika - Strona 4
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Drukuj stronęThe momentary push button can be reached with
a pin or pen.
Side tone adjustment procedure:
•
Connect a monitor amplifier + speaker to
the audio output
•
Turn up output level of the PS 260T to
approx. 50%
•
Bring the side tone trimmers in start
position:
Level trimmer: turn fully clockwise
Hi trimmer: turn fully anti clockwise
•
Activate the test tone generator.
•
Minimize test tone level by turning the
level trimmer anti clock wise.
4.0
REAR PANEL CONNECTORS
The unit contains two identical interface modules. Each interface has the following rear panel connectors:
7
AUDIO INPUT connector (XLR-3)
The input is transformer balanced.
Pin assignments :
Pin 1: 0V / ground shield
Pin 2: signal +
Pin 3: signal -
8
AUDIO OUTPUT connector (XLR-3)
The output is transformer balanced and capable
of driving a 600 ohms load.
For pin assignments see #7:
5.0
BLOCK DIAGRAM PS 260T
PAGE 4
User Manual PS 260T / October 2013 © ASL Intercom BV
..
•
Minimize the remaining high frequencies
of the test tone by turning the hi trimmer
clockwise.
Repeat the two last mentioned procedures to
obtain the lowest possible test tone levels.
The test tone is also heard by the users of the
party line intercom, which is rather disturbing. ASL
advises to not activate the test tone when the
party line intercom system is in use.
9
INTERCOM IN connector (XLR-3)
This connector is for connecting the intercom
party line. Pin assignments :
Pin 1: 0V / ground shield
Pin 2: +30V power wire
Pin 3: audio wire
10
INTERCOM LINK connector (XLR-3)
This connector is for extending the intercom
party line to other user stations or interface units.
For pin assignments, see #9 .