ZETRON 640 DAPT XTRA, Руководство по установке и ремонту

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Adjustment Procedures
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q 12. Repeat steps #8 and #9 until the pot settings make little difference.
q 13. Set the AGC KILL switch back to the normal position (toward the front of the
chassis).
Note: This adjustment minimizes signal bleeding from the TO TEL back into the FROM
TEL.
q
14. Hang up the telephone and terminate the call.
The hybrid adjustment is complete.
STATION INTERFACE ALIGNMENT PROCEDURE
The following alignment procedures assure correct radio station interface and optimum signal
levels.
The radio station alignment consists of three separate adjustments:
•
paging tone (digital) output level to the transmitter (labeled TONE)
•
voice audio (analog) output level to the transmitter (labeled VOICE)
•
transmitter digital deviation
Test Equipment
The following test equipment is required to align the radio station interface levels:
•
touch-tone (DTMF) telephone
•
AC digital voltmeter (DVM)
•
communications service monitor
Database Setup
Several test records must be created in the Model 640 database before the actual adjustments can
be performed.
Follow the steps below to setup the Model 640 database for each of the station adjustments:
q 1. Create a new Pager Definition in the Model 640 database as follows:
•
Select 1 - Subscriber Phone Numbers from the main menu.
•
Select 5 - Pager Definitions Databases from the Subscriber Phone Numbers
menu.
•
Select 1 - TwoTone from the Pager Definitions menu.
•
Enter N to create a New record.
•
Fill in the record as shown below.