Motorola MTX950 用户手册

5-2

Radio Tuning, Programming, Cloning, Lowband Antenna Cutting Procedure, PassPort Tone Options, and Diagnostic Functions

5.2

Global Radio Tuning Setup

A personal computer (PC), Windows

95/98, and a global tuner program are required to tune the

radio. To perform the tuning procedures, the radio must be connected to the PC, radio interface box
(RIB), and test equipment shown in Figure 5-1.

Figure 5-1: Radio Tuning Test Equipment Setup

5.2.1 Initial Test Equipment Setup

The supply voltage is connected to the radio using a Motorola battery eliminator, P/N
AA0180305G54. The initial test equipment (Figure 5-1) control settings are listed in Table 5-2.

NOTE: Refer to appropriate program on-line help files for the tuning procedures.

Table 5-2: Initial Equipment Control Settings

Service Monitor

Test Set

Power Supply

Monitor Mode: Power Monitor

Speaker set: A

Voltage: 7.5Vdc

RF Attenuation: -70

Speaker/load:
Speaker

DC on/standby:
Standby

AM, CW, FM: FM

PTT: OFF

Volt Range: 10V

Oscilloscope Source: Mod
Oscilloscope Horizontal: 10mSec/Div
Oscilloscope Vertical: 2.5 kHz/Div
Oscilloscope Trigger: Auto
Monitor Image: Hi
Monitor BW: Nar
Monitor Squelch: mid CW
Monitor Volume: 1/4 CW

Current: 2.5A

Wattmeter

Audio Generator

Sinad Meter

AC Voltmeter

30 dB Pad

Battery Block

Power
Supply

Audio In

Receive

Transmit

RF Generator

BNC

RF Adapter
HLN9756

RIB

RLN-4008

RIB Power Supply

RLN4460A

Test Box

Gnd

Data

Tx Data

Radio

Computer Interface

Cable 3080369B72

Program/

AARKN 4074

Test Cable

Service Monitor
or Counter

DB15

DB9

AC Plug

120/230 Vac

or B

3.5 mm to
Ferrule BNC

Double Male

RLN4510

+12VDC

0180305G54

Battery
Eliminator
7.5V Reg.

0180357A57 (120V)
0180358A56 (230V)