Asl intercom PS 19 User Manual
PRO SERIES
USER MANUAL
FOR THE
PS 19
SINGLE CHANNEL BELTPACK
CONTENTS
1.0 GENERAL DESCRIPTION ..................... 3
2.0 UNPACKING ................................ 3
3.0 INSTALLATION ..............................3
4.0 FRONT PANEL CONTROLS ................... 4
5.0 REAR PANEL CONNECTORS .................. 5
6.0 INTERNAL CONTROLS ....................... 5
7.0 CABLING ................................... 6
8.0 PARTY LINE, TECHNICAL CONCEPT ............ 7
9.0 GUARANTEE ............................... 7
10.0 TECHNICAL SPECIFICATIONS ................. 7
User Manual PS 19 / Issue 1 © 1994 ASL Intercom, Utrecht, Holland.
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User Manual PS 19 / Issue 1 © 1994 ASL Intercom, Utrecht, Holland.
1.0 GENERAL DESCRIPTION
The PS 19 is a portable single channel user station. The unique ASL CALL system provides both a flashing
It is housed in a strong ABS case and is provided with a red LED and a very distinctive and characteristic sound
steel beltclip. signal. Smooth operation is guaranteed with the CALL
button. A momentary push makes the red LED flash,
On the front panel are a Volume (listen level) control, a whilst holding the button for two seconds will activate the
Talk and a Call button with LED indicators, a sidetone CALL sound signal. The volume of the sound signal
trimmer and a buzzer volume trimmer. (buzzer) can be adjusted at the front panel.
Special attention has been paid to the intelligibility of Fully electronic switching increases reliability and allows
speech. By applying low noise/high speed opamps, a for :
speech presence filter and a specially developed high - 'soft' microphone ON switching, latched or momentary
power bridged headphone amplifier, communication is - remote Mic Mute facility.
very comfortable even in environments with high
background noise level.
2.0 UNPACKING
The shipping carton contains the parts listed below After unpacking the unit please inspect for any physical
* The PS 19 damage to the unit, and retain the shipping carton and
* User manual relevant packing materials for use should the unit need
If any are missing, contact your dealer. returning.
ASL has taken great care to ensure this product reaches If any damage has occured, please notify your dealer
you in flawless condition. immediately so that a written claim can be initiated.
Please also refer to the guarantee section of this manual.
3.0 INSTALLATION
This PS 19 will form part of an existing or new intercom To connect the PS 19 onto the intercom system, use
system, and connection to it is straightforward. There are professional flexible microphone cable with 2 wires and 1
no separate power connections, or batteries to install, as shield only. Connect the system intercom cable into the
the necessary DC voltages are derived from the intercom LINE connector socket on the rear panel. Finally connect
master station or power supply, via the intercom the listening headset plug into the HEADSET connector,
connection cable. also on the rear panel.
The PS 19 is fully protected against mis-wiring (reverse
power) or short-circuit in the interconnecting cables.
User Manual PS 19 / Issue 1 © 1994 ASL Intercom, Utrecht, Holland.
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4.0 FRONT PANEL CONTROLS
1 VOLUME control knob
This knob adjusts the listen level for the headset.
2 TALK button
This push button activates the headset microphone,
the large green LED indicates if the microphone is
switched on.
Latched switching:
When a TALK button is pressed quickly, the
microphone will be switched on, and is electronically
latched. When pressed again, the microphone will be
switched off.
Momentary switching:
When a TALK button is pressed and held, the
microphone will be active until the button is released.
When the microphone is latched on, it can be muted
by a Mic Mute from a PRO Series master station or
power supply.
3 CALL button
This push button activates the call system.
A momentary push will send a call signal to all stations
connected to the intercom channel and the call LEDS
will start flashing.
Press and hold the button for 2 seconds will activate
the call buzzer, if not muted.
After the CALL button is released the LEDS will
continue to flash for further 2 seconds.
4 SIDETONE trimmer
This trimmer adjusts the level of your own voice as you
hear it in your headset.
Adjustment procedure :
- set trimmer in start position : fully clockwise.
- switch off the microphone of all connected
(speaker!) stations.
- switch on the microphone of the PS 19.
- turn up volume.
- speak into the headset microphone.
- adjust the listen level by turning the sidetone
trimmer.
The operating area is between fully clockwise and
minimum level. Adjusting the sidetone does not affect
the level of your voice as it is heard by other stations.
5 BUZZER VOLUME trimmer
This trimmer adjusts the volume of the internal buzzer,
which is located behind the front panel.
The buzzer is activated if you press the CALL button of
the PS 19 (3) or a CALL button of any other station (on
the channel to which the PS 19 is connected), longer
than 2 seconds and the buzzers are not muted (on the
master station or power supply).
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User Manual PS 19 / Issue 1 © 1994 ASL Intercom, Utrecht, Holland.
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