Harmonic PWRLink II 4800T Series, Руководство по эксплуатации продукта, Страница: 25 / 43

Setup via HLP 4200WD Display
PWRLink II 4800T Optical Transmitter Product Manual Rev A (2/02) 4–7
4.4 Setup via HLP 4200WD Display
This section provides instructions for setting up the PWRLink II 4800T series
of transmitters via the push buttons and LCD display of the HLP 4200WD
equipment platform. To quickly and easily set up and review the PWRLink II
monitoring and control parameters, use the HLP 4200WD front panel. For a
detailed description of this interface, see Section
3.1 HLP 4200WD Display on
page 3-1.
4.4.1 Step-by-Step Setup Instructions
1. Verify that the PWRLink II transmitter module is properly installed in the
HLP 4200 platform. Instructions are provided in Section 2.2 Installing the
Transmitter Module on page 2-1.
2. Verify that the HLP 4200WD is powered on and that no alarm conditions
exist within the transmitter module; make sure that the Status LED on the
front panel is green.
3. Verify that the RF input level per analog carrier is within the range of 16 to
22 dBmV/channel based on 76 PAL B/G channels.
4. Verify that the RF input signal has been properly connected to the
transmitter. See Section 2.4 Connecting the RF Broadband Input on page 2-3.
5. On the HLP 4200WD, press the
Esc
button until the display reads
MODULE
SELECTION
, then press
Enter.
6. Press the
▲
or
▼
button until the display indicates the transmitter module
you wish to set up, then press
Enter.
7. Press
▲
or
▼
until the display reads
TRANSMITTER SETUP
, then press
Enter.
The message appears,
RUN AUTOSETUP? YES <SET+UP/DN> TO
CHOOSE
.
8. Hold down the
Set
button and press
▲
or
▼
until the value you want is
displayed—
YES
to run autosetup or
NO
to skip autosetup—then press
Enter.
For details of the autosetup feature, see Section 4.3.1. If you choose
NO
to autosetup, skip to Step 10.
9. The message appears,
VIDEO MODULATION <SET+UP/DN> FOR CW.
Hold down the
Set
button and press
▲
or
▼
until the value you want is
displayed—
CW MODULATION
or
VIDEO MODULATION
—
t
hen press
Enter.
The transmitter’s microprocessor adjusts the RF pad level.
10. The message appears,
AGC CONTROL <SET+UP/DN> FOR AGC.
Hold down the
Set
button and press
▲
or
▼
until the value you want is
displayed—
AGC
or
MGC
— then press
Enter.
For details of the AGC feature,
see Section 4.3.2 Automatic Gain Control (AGC) and Manual Gain Control
(MGC) .
11. To exit the Transmitter Setup menu, press
Enter
.