User's Manual

3-22 68P8100XYXX-O APRIL 2003
PRELIMINARY
Internal Review (First Draft - 50% to 60% Complete)
ILLEGAL CARRIER DETERMINATION AND BASE RADIO MEASUREMENT CHAPTER 3: SIMULCAST REMOTE SITE CONFIGURATION
7 From the Service menu, select Test and Measurement Screen.
Result: The Test and Measurement Screen dialog box appears (Figure 3-18).
F
IGURE 3-18 TEST AND MEASUREMENT SCREEN DIALOG BOX
8 If the station is not already in Service Mode, click Change to Service Mode.
Result: The STR 3000 Simulcast Base Radio begins a reset sequence to change
modes, which takes a few seconds.
After resetting, read the configuration data again from the base radio and then
open the Test and Measurement Screen dialog box, as described in step 7.
9 Select the Standard Test pattern.
10 Click Start Pattern Transmission to start transmitting the test pattern.
11 Record the transmitted frequency.
12 Calculate the parts per million (ppm) error using the following equation:
ppm error = (Recorded frequency/assigned frequency - 1)X10
6
The specification is 0.15 ppm.
NOTE
If all transmitter tests are complete proceed with next step, otherwise,
go to the next transmitter test.
13 Turn off the STR 3000 Simulcast Base Radio using the On and Off switch on the
front of the power supply module.
P
ROCEDURE 3-5 HOW TO CHECK THE TRANSMITTER FREQUENCY (CONTINUED)
Exhibit 9E