Introduction
Instruction Manual: Professional Receivers and Decoders (IRD)
Page 1-7
ST.TM.TT1220.1
Further CA systems are available on the specific models:
NDS Videoguard Director Version
•
NDS Director CA
NDS Videoguard BSkyB Version
•
NDS Videoguard BSkyB CA
DVB CI Version
•
Any DVB compliant CA system, utilising a DVB compliant common
interface CA module
1.3
TT1220 Control Modes
1.3.1
Introduction
The TT1220 is designed for unattended operation. Once set up, it requires
no further attention except to ensure that the fan is working. There are
three control modes associated with the receiver, local (keypad), remote
(RS-232), and over the air control (OAC)
4
.
1.3.2
Remote Control
This state is entered when the Ctrl. Mode setting in the Adv:System
Options menu is set to remote. When the decoder is remotely controlled,
local control is disabled until the decoder is configured for the local mode.
1.3.3
Over the Air Control
This state is entered when the Ctrl. Mode setting in the Adv:System
Options menu is set to OAC. When the decoder is remotely controlled,
local control is disabled until the decoder is configured for the local mode.
1.3.4
Local Control
Local control allows parameters to be entered and chosen using the four
keypad buttons.
The buttons roles and functions change, depending on what kind of menu
or screen is available at the moment.
The up / down buttons are used for previous / next item in a menu,
previous / next option in an option select menu (for instance, on or off) or
the higher / lower digit in a numerical entry menu.
The right / left buttons are used to enter / leave a menu or submenu, and
to select the next or previous digit in a numerical entry menu.
4
OAC is a feature for NDS Videoguard Director only
Содержание TT1220 Series
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