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3M Model D-2400
Adjusting the System
15
To set the VOX sensitivity level:
1. Follow the directions under the section Programming the Selector to put the Selector in Programming mode.
2. Locate the VOX Enable screen and be sure it is set to ON.
3. Locate the VOX Sensitive screen and press the right-arrow key to edit the value.
4. Use the up/down arrow keys to adjust sensitivity:
• The up arrow key increases the sensitivity (lengthens the distance from the microphone to the attendant).
Fifteen is most sensitive.
• The down arrow key decreases sensitivity. One is least sensitive.
5. Press the ALL CALL key to exit Programming mode.
Testing the Functions
Perform the following tests after installing the Convenience Store Intercom System, Model D-2400:
1. Checking TALK/LISTEN switching.
a. Ask an attendant to go to Call Station 1 and press the call button.
b. Establish a connection with the CALL STATION (press TALK on the Station Selector or Remote
Microphone).
c. Talk and listen to the attendant to determine that the TALK and LISTEN modes are functioning
satisfactorily.
d. Repeat Steps a through c for all CALL STATIONS.
2. Checking ALL CALL.
a. Ask an attendant to go to a Call Station.
b. Activate ALL CALL (press and hold ALL CALL on the Station Selector or Remote Microphone).
c. Broadcast an announcement from the Station Selector.
d. Ask the attendant to verify that the message is broadcast from all CALL STATIONS.