Nikon RADIUS CM200 Bedienungsanleitung PDF herunterladen (Seite 40)

3-4 TRANSCEIVER PERFORMANCE TESTING

* See Table 3-4.

Voice

Modulation

Mode: PWR MON

4th channel test frequency*

atten to -70, input to RF In/ Out

Monitor: DVM, AC Volts

Set 1kHz Mod Out level for

800mVrms at test set,

800mVrms at AC/DC test set

jack

As above As above,

meter selector

to mic

Deviation:

2.5 kHz Max.

(12.5 kHz Ch. Sp).

4 kHz Max.

(20 kHz Ch. Sp).

5 kHz Max.

(25 kHz Ch. Sp).

Voice

Modulation

(internal)

Mode: PWR MON

4th channel test frequency*

atten to -70, input to RF In/ Out

TEST MODE,

Test Channel 4

carrier squelch

output at

antenna

Remove

modulation

input

Deviation:

2.5 kHz Max.

(12.5 kHz Ch. Sp.).

4 kHz Max.

(20 kHz Ch. Sp.).

5 kHz Max.

(25 kHz Ch. Sp.).

High-Speed

Data

Modulation

As above TEST MODE,

Test Channel 4

high speed

output at

antenna

PTT to

continuous

(during the

performance

check).

Deviation:

1.5-2.0 kHz

(12.5 kHz Ch. Sp.).

2.3-3.2 kHz

(20 kHz Ch. Sp.).

3.0-4.0 kHz

(25 kHz Ch. Sp.).

DTMF

Modulation

As above,

4th channel test frequency*

TEST MODE,

Test Channel 4

DTMF output at

antenna

As above Deviation:

1.4-1.9 kHz

(12.5 kHz Ch. Sp.).

2.3-3.0 kHz

(20 kHz Ch. Sp.).

2.9-3.8 kHz

(25 kHz Ch. Sp.).

PL/DPL

Modulation

As above

4th channel test frequency*

BW to narrow

TEST MODE,

Test Channel 4

TPL

DPL

As above Deviation:

0.25-0.5 kHz

(12.5 kHz Ch. Sp.).

0.4-0.8 kHz

(20 kHz Ch. Sp.)

0.5-1.0 kHz

(25 kHz Ch. Sp.).

Table 3-5 Transmitter Performance Checks (Continued)

Test Name Communications Analyzer Radio Test Set Comment

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 69 70

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