User manual

ManualsBrandsASL INTERCOM ManualsComputer equipmentPS 230

4.0 FRONT PANEL CONTROLS & CONNECTOR

1 VOLUME control knobs 5 SIDETONE HI trimmers

These knobs adjust the listen level for speaker and These trimmers (one for each channel) control the

headset. The level of each channel can be adjusted rejection in the high frequency range. It compensates

separately. the capacity of the interconnecting cables. It prevents

2 TALK buttons

These buttons allow you to talk to each channel

separately or simultaneously.

Any Talk button activates the gooseneck or headset This trimmer allows you to dim the speaker automati-

microphone, the large green LED at each channel cally, when the gooseneck microphone is switched on.

indicates if the microphone is switched on to that It prevents:

channel. - unit feedback if sidetone rejection is not sufficient.

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.

When the microphone is latched on, it can be muted by - inject an audio signal on the selected intercom

a mic mute from a PRO Series master station or power channel.

supply. - turn up volume.

Momentary switching:

When a TALK button is pressed and held, the

microphone will be switched on, and when released, The speaker attenuator has no effect when a headset

will be switched off. is used.

3 CALL buttons 7 BUZZER VOLUME trimmer

These push buttons activate the call system, for each This trimmer adjusts the volume of the internal buzzer,

channel separately. which is located behind the front panel.

A momentary push will send a call signal to all stations The buzzer is activated if you press the CALL button of

connected to the intercom channel and the call LEDS the PS 230 or a CALL button of any other station (on

will start flashing. the channel to which the PS 230 is connected), longer

Press and hold the button for 2 seconds will activate than 2 seconds and the buzzers are not muted (at the

the call buzzer, if not muted. master station or power supply).

After the CALL button is released the LEDS will

continue to flash for further 2 seconds.

4 SIDETONE LEVEL trimmers

These trimmers (one for each channel) control the level must have a can impedance of 200 ohms (or greater),

of your own voice as you hear it in the speaker or or each 400 Ohms minium when in parallel.

headset. It prevents the speaker from feeding back into The headset microphone may be of the dynamic or

the gooseneck microphone. electret type.

Adjustment procedure for all sidetone trimmers : Pin assignments :

- set trimmer in start position : fully clockwise. 1. Shield mic. (GND)

- switch off the microphones of all connected 2. mic. +

(speaker !) stations. 3. phones +

- switch on the microphone of the PS 230. 4. phones -

- turn up volume.

- speak into the headset microphone. When connecting a headset, the speaker and

- adjust the listen level by turning the sidetone gooseneck microphone will be disabled automatically.

trimmer.

The operating area is between fully clockwise and headset connector for binaural use.

minimum level. Adjusting the sidetone does not affect Channel A will then appear on the left can and channel

the level of your voice as it is heard by other stations. B on the right can.

the speaker from feeding back into the microphone

(unit feedback).

6 SPEAKER ATTENUATOR trimmer

- system feedback or a 'hollow' sound when the

microphones of other speaker stations on the same

channel are activated simultaneously.

Adjustment procedure :

- switch off TALK buttons.

- activate microphone and adjust the desired amount

of attenuation.

8 HEADSET connector

A XLR-4 type connector for the connection of a local

headset when private conversation is desired. This

The PS 230 can optionally be equipped with a XLR-6