MRC DRS2000HS, Руководство пользователя и техническое руководство

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Routine Operation 2-6 DRS2000HS/DRS6000HS User and Technical Manual
Help Text This menu line provides a brief description of the
purpose of each selected setting or menu on the Control menu.
For example, when
Chan is selected (highlighted), the help text
will display Change the current channel settings .
Current RF Settings These groups list settings for the
incoming RF signal, including, but not limited to, the following:
• Channel
• Frequency
• RF Band
• Mode
• Modulation
• Bandwidth
• Forward Error Correction (FEC)
• Video
• Audio
Preset Line This line displays the current Preset as a number
and a text label.
Service Line This line displays the read-only service ID of the
active transmitter.
Data Status Line This line displays the following information:
• Encr - Indicates current encryption setting ( Off , BISS-1 ,
or BISS-E )
• COFDM Lock - When green, indicates COFDM is locked;
when red, indicates COFDM is unlocked.
• Vid Lock - When green, indicates video is locked; when
red, indicates video is unlocked.
Signal Displays Areas These areas display real-time
indications of all antenna inputs as a set of animated vertical
bars.
• The RCL group displays receive carrier levels (RCL) in
dBm.
• The SNR group displays signal-to-noise ratios (SNR) in
dBm.
• The Link Qual group displays link quality as a derived
number from 0 to 9 with 9 being the best signal.
Menu Buttons This area of the display contains menu selection
buttons that provide access to other menus and settings
screens.
2.5 Keypad Operation
The Control menu and keypad are shown in Figure 2-4 . The
keypad consists of membrane-type switches that provide
momentary contact closure when pressed.
Figure 2-4: Control Screen and Keypad - Typical
Preset 1: XXXXXXXXXXXXX
Service No Service
Encr Off COFDM Lock Vid Lock
Setup Presets Options
DRS6000HS
Chan 1 (0) (17MHz)
Freq 1999.000 MHz
RFBand 1.9-2.5GHz
Mode DVB-T
Mod QPSK
BW 8MHz
FEC 2/3
G/I 1/8
Video SD
Audio Analog
BitRt 15.61Mbps
RCL dBM SNR dB Link Qual
A
A
A B B B
-44
-20
20 21 6
7
BACK
OK