User Manual Part 2

Figure 6-3 RPI Front Panel

4. Connect a wattmeter and a suitable load to the antenna jack of the transceiver for the

transmitter tests. For the receiver tests, connect the signal generator to the antenna jack through a

6 dB or greater isolation pad.

6.4.2 STARTING AND CONFIGURING PCTUNE

1. Start the program as described in Section 6.1.2 and turn transceiver power on. Select

Transfer > COM Port and make sure that the correct serial port and the 19200 baud rate are

selected (see Section 6.3.3).

2. Select the Radio menu and make sure the correct radio series (43xx) is selected [What is

the correct menu selection?] (see Section 6.3.2).

3. Select Transfer > Partial Tune and click the button for the desired Test Category.

4. Follow the instructions displayed on the screen to complete the various adjustments

required for a particular setting. Then repeat for other applicable Test Categories.

6.5 DIGITAL PERFORMANCE TESTS

6.5.1 GENERAL

This section describes how to check the performance of the radio on digital Project 25

channels. The PCTune software includes a Tools > Tx/Rx Tests menu that displays the screen

used for these tests.

• To perform these tests, a Digital Communication Analyzer such as Motorola R2670 or

IFR 2975 is required.

• These tests follow the TIA-102-CAAA-A “Digital C4FM/CQPSK Transceiver

Measurement Methods” specification. Refer to that document for more information.

• A P25 conventional channel preprogrammed by the PCConfigure software is used for

testing. The PCTune software does not select a specific test channel. The test channel

must be programmed with the following options: