Audiocom NFL-2002 Manuale di istruzioni per l'uso - Pagina 5

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Side Tone Adjustment (R145)

The side tone adjustment is accessible either internally (refer to Figure 2) or by

removing the belt clip mounting screw (callout 5 in Figure 1).

To adjust the level of your own voice heard in the headphones, tap the Talk button once

to turn on the headset microphone. Then, use a small flat-blade screwdriver to increase

or decrease your voice level while talking into the microphone.

Mic Gain Adjustment (R156)

The Mic Gain adjustment is accessible internally on the board (R156), see Figure 2.

To adjust Mic Gain, do the following:

Using a Phillips head screw driver, turn the Mic Gain pot clockwise to increase the gain

(or counter-clockwise to decrease the gain).

Clear-Com Setup

Make the following switch and jumper changes when the beltpack is used with Clear-

Com equipment:

NFL-2002

SW1 must be placed in the UNBAL position.

CONNECTOR PIN CONFIGURATIONS

Headset Connector

Type: XLR-4M (callout 6 in Figure 1)

Pin 1

Pin 2

Pin 3

Pin 4

Intercom Channel Connectors

NFL-2002

Type: One XLR-5M (callout 8 in Figure 1)

Audiocom

Mode (Internal switch SW1 and set to BAL position)

Pin 1

Common

Pin 2

Local power (21-30 VDC)

Pin 3

Channel A intercom audio low and +24 VDC input

Pin 4

Channel A intercom audio high and +24 VDC input

Pin 5

Channel B intercom audio low and +24 VDC input

Pin 6

Channel B intercom audio high and +24 VDC input

Clear-Com Mode (Internal switch SW1 and jumpers set to UNBAL position)

Pin 1

Common

Pin 2

Local power (21 to 30 VDC)

Pin 3

Channel A +30 VDC input

Pin 4

Channel A intercom audio/call signal

Pin 5

Channel B +30 VDC input

Pin 6

Channel B intercom audio/call signal

Headset microphone low

Headset microphone high

Headphone high

Headphone low

EXTERNAL CONNECTIONS & CONTROLS

NOTE: The numbers refer to the callouts in Figure 1.

: Use this control to adjust the headset listen level.

OLUME

ONTROL

: The Chan button allows the user to select

HAN

UTTON AND

NDICATORS

which intercom channel is active. Press the Chan button to change the

channel selection. The yellow indicator next to the channel number lights

to show the active channel.

: The Call function allows the user to send or

ALL

UTTON AND

NDICATOR

receive signals to other devices on the intercom channel selected. The

Call button operates in two ways:

Call receive : When there is an incoming call signal, the indicator is

red. (If Audible Call Alert is enabled, incoming calls will cause beeps

in the headset.) On the NFL-2002, calls can be received on the

selected channel only.

Call send : To send a call signal to all stations on a channel, press and

hold the Call button until a verbal response is received. The indicator

will glow red. On the NFL-2002, calls can be sent on the selected

channel only.

: The Talk button activates the headset

ALK

UTTON AND

NDICATOR

microphone and operates in two ways:

Latched Mode:

Tap the button once to talk. The indicator will glow green. Tap the

button again when finished with a conversation.

Momentary Mode:

Press and hold the button to talk momentarily. Release the button

when finished talking.

NOTE: If no headset is connected when the Talk button is pressed, the

Talk button will have the same function as the Chan button.

: When using a headset, this control adjusts your own

IDETONE

ONTROL

voice level heard in the headphones. To adjust the level, tap the Talk

button once to turn on the headset microphone. Then, use a small flat-

blade screwdriver to increase or decrease your voice level while talking

into the microphone. (This control is accessible by removing one screw of

belt clip.)

: This connector accepts a four wire Telex

EADSET

ONNECTOR

microphone headset.

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