Checkpoint Systems Inc. STRATAGX User Manual
TUNING PROCEDURE TR4022
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CHECKPOINT SYSTEMS, INC. CONFIDENTIAL AND PROPRIETARY INFORMATION, FOR INTERNAL USE ONLY.
Rev. 00
Page
20
Apply 24 VDC power and check that DS11 is illuminated. DS3 should also be flashing
intermittently.
intermittently.
The transmitter output is preset at the factory and should not require adjustment.
Adjust the baseband gain potentiometer R89 for a noise level of less than 1.5V at Screen
1. This can be viewed by attaching an oscilloscope to the DAC test point TP16 and
selecting Screen 1 by depressing SW2. Scope setting: 1V/DIV; 200uS/DIV.
1. This can be viewed by attaching an oscilloscope to the DAC test point TP16 and
selecting Screen 1 by depressing SW2. Scope setting: 1V/DIV; 200uS/DIV.
While viewing Screen 1 check the sweep setting of the transmitter for the frequency of the
tags being used. Standard retail systems are set to sweep from 7.6 – 8.7 Mhz. Using a
Grid Dip Meter placed flat on the floor approximately 1.5 to 2 feet from the antenna
check the sweep range by varying the frequency dial on the meter. The following
illustrations will give you an idea of what the induced signal from the Dip Meter will look
like at Screen 1.
tags being used. Standard retail systems are set to sweep from 7.6 – 8.7 Mhz. Using a
Grid Dip Meter placed flat on the floor approximately 1.5 to 2 feet from the antenna
check the sweep range by varying the frequency dial on the meter. The following
illustrations will give you an idea of what the induced signal from the Dip Meter will look
like at Screen 1.
8.7 Mhz
8.2 Mhz
7.6 Mhz
Set the detection parameters at SW4-3 & 4 to OFF/OFF. This is the same as the ‘C’ filter
on earlier Strata. If more filtering is required because of environmental influences see
Table 3.
on earlier Strata. If more filtering is required because of environmental influences see
Table 3.
Set SW5-4, 5, 6 for the type of tags being used. See Table 4. All OFF has no ‘Q’
qualification and thereby will not defeat alarms caused by merchandise.
qualification and thereby will not defeat alarms caused by merchandise.
Set the volume of the Sonalert by adjusting potentiometer R46.
No other adjustments are required. Test the system with several of the customers’ tags to
insure that the system is detecting properly. The sensitivity of the system may vary due to
environmental influences and the selection of the filtering set by SW4-3 & 4.
insure that the system is detecting properly. The sensitivity of the system may vary due to
environmental influences and the selection of the filtering set by SW4-3 & 4.