Communications Power Inc. CP2000 Base
Documentation Project

CBTricks.com

Section III A

III. CP2000 BASE TUNING PROCEDURE

A. General

1. Tune the radio in the sequence given. It is imparative that the power supplies be adjusted to their correct output voltage before attempting any alignment.

2. A Second Class or higher FCC Radio Telephone License is required to make any frequency or transmit adjustments to the CP2000B.

3. All receive RF inputs from the generator are applied to the radio's antenna connector.

4. All transmit measurements are made with a 50ohm - load connected to the radio's antenna connector through a good quality wattmeter.

5. Microphone connections
    Pin 1: Audio hot
    Pin 2: Audio ground (shield)
    Pin 3: PTT Hot
    Pin 4: PTT Return
    (3 and 4 are shorted together for transmit)

6. Block Diagram of Test Setup.