AudioControl Ten Series III Manual do Utilizador descarregar pdf (Página 6)

Standard System Features – continued

Feature Description Benefits

Off-the-Air Sensitive Receiver

The 2 microvolt sensitivity of the unit is

available through the antenna port. This allows

off-the-air monitoring of remote transmitters

operating up to 1 GHz. Variable squelch aids

in picking up weak signals but can be set

tighter to ensure the proper S/N ratio for

measurement accuracy.

This feature reduces service costs by enabling

frequent preventive maintenance parameter

checks for system degradation or interference

identification without leaving the shop.

Electronic Software Updates

High-Speed serial port and flashable memory

permit programming firmware updates from an

external PC.

Quick and easy access to future software

updates.

RS-232/Serial Interface (standard)

IEEE-488-2 Interface (optional)

A full bi-directional RS232 port is standard

and includes the capability to respond to serial

input command vocabulary and return meas-

urement results as a serial output stream.

Included are user-selectable baud rates (up

to 115.2 Kbps) and start, stop and parity bit

selection. In addition, this dual function port

can drive a serial printer to print out data and

graphic displays. The optional IEEE remote

interface option contains the necessary

hardware and software for IEEE-488.2.

If you have large volume repetitive testing

requirements, this feature allows you to write

your own programs to reduce test time costs.

Printed results can be used as part of the

service shop’s internal quality control system

and can be used to demonstrate performance

to the radio equipment user.

Cable Fault

(standard in R2670;

optional in R2600 and R2625)

Cable fault and length are RF measurement

features which help the technician isolate

cable defects. Supported by on-screen

prompts and user-selectable Help messages,

you can quickly set up and accurately

determine the distance to a fault on a coaxial

cable. The distance to fault (or cable length)

is computed and displayed in feet or

metric units.

Cable fault locating techniques are mandatory

for site servicing, where visual inspection

is not practical, safe, or effective in detecting

hidden or cold-flow damage. The semi-auto-

matic operation of the cable faultfinder

precludes the use of mathematical formulas

and manual calculations, maximizing your

on-site productivity.

General Purpose

& Modulation Oscilloscope

The oscilloscope has a 50 kHz bandwidth for

audio waveform analysis. The display can be

triggered over the full screen range to a fixed

reference level. Triggering in both automatic

and normal modes is provided for synchroniz-

ing the horizontal timebase to the vertical

input signal. Internal or external inputs allow

observation of both generated and monitored

modulation signals. Softkeys provide for an

enlarged full screen display.

The optional High Performance Spectrum

Analyzer (standard on R2670) adds Marker

functions for more precise measurements of

Voltage, Frequency, and Period.

Recovered audio or internally produced

audio can be displayed visually for deviation

measurements. Additionally, detection of an

asymmetric modulation or audio distortion can

be achieved with waveform analysis. With

internal and external triggering and a freeze

display single sweep, this unit duplicates many

features of more expensive scopes. The

markers allow detailed analysis to measure

waveforms displayed on the LCD. The EXPAND

function provides an enlarged, easy to

interpret view of the signal for quick analysis.

AM, FM Signal Generator

When the GENERATE mode is selected, the

RF modulation method, carrier frequency,

bandwidth, composite audio modulation,

and RF signal level output are displayed on

the LCD.

In addition to reducing receiver test time, this

flexible, self-calibrating signal generator is

complemented by the simultaneous display of

all necessary control information.

Signaling Simulator:

Encoder and Decoder

The System Analyzer includes the capability of

encoding and decoding PRIVATE LINE (PL),

DIGITAL PRIVATE LINE (DPL), and single tone

sequences as well as multi-tone sequences

including DTMF signals, 5/6 tone paging,

Select V and up to 20 sequential tones.

Decoding displays include tone frequencies

and time durations of the individual tones. The

unit can also encode tone remote signaling.

The signaling capability of the unit reaches

a broader range of service applications with

its decode capability. This gives you a more

flexible test instrument which aids in servicing

paging equipment and specialized signaling

encoders, as well as mobile, portable and

other radio products. The signaling simulator

can perform a full system check-out faster,

with more accuracy than ever before.

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