User manual

User Manual PS 630 / Issue 1 © 1994 ASL Intercom, Utrecht, Holland.
4
A special kit is included for mounting the PS 630 in a
19" rack, taking 2U of rackspace.
4.0 FRONT PANEL CONTROLS & CONNECTOR
1 LISTEN LEVEL control knobs continue to flash for further 2 seconds.
These knobs preset the listen level for each
channel separately. 4 MASTER VOLUME
2 TALK buttons headset.
These buttons allow you to talk to each channel
separately or simultaneously. 5 PGM VOLUME
Any Talk button activates the gooseneck or This knob adjusts the volume of the PGM input.
headset microphone, the large green LED at each Depending in the setting of the internal jumpers the
channel indicates if the microphone is switched on PGM volume is also controlled by the master
to that channel. volume
Latched switching:
When a TALK button is pressed quickly, the
microphone will be switched on, and is electroni-
cally latched. When pressed again, the microphone
will be switched off.
When the microphone is latched on, it can be feeding back into the gooseneck microphone.
muted by a mic mute from a PRO Series master
station or power supply. Adjustment procedure for all sidetone trimmers:
Momentary switching:
When a TALK button is pressed and held, the
microphone will be switched on, and when
released, will be switched off.
3 CALL buttons
These push buttons activate the call system, for
each channel separately.
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
This knob adjusts the volume of the speaker or
knob.
6 SIDETONE LEVEL trimmers
These trimmers (one for each channel) control the
level of your own voice as you hear it in the
speaker or headset. It prevents the speaker from
- set trimmer in start position : fully clockwise.
- switch off the microphone of all connected
(speaker!) stations.
- switch on the microphone of the PS 630.
- turn up volume.
- speak into the headset microphone.
- adjust the listen level by turning the sidetone
trimmers.
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.
7 SIDETONE HI trimmers
These trimmers (one for each channel) control the