Closed Captions (Software Version 2.2 And Earlier) - TANDBERG Alteia Instruction Manual

Preventive Maintenance and Fault-finding
6.4.6

Closed Captions (Software Version 2.2 and Earlier)

If Closed Caption is DISABLED, it can cause a single green line in the first
line of the VBI. It is advisable that Closed Captions should be left at the
Factory Default (ENABLED). See Menu #7, page 5 (s/w ver 2.1) or page 6
(s/w ver 2.2 and 2.3).
If the Closed Caption option is ENABLED and the incoming service does not
contain them, a VBI alarm will be raised in Menu #5. Mask the alarm on
the same page.
6.4.7 Remote Control
The Alteia remote control input operates with both RS-232 and RS-485
serial data formats (Menu #13, page 4). In addition, a device address can
be set (in Menu #13, page 3) for use in multi-drop RS-485 systems.
Be sure to set the correct format and address via the front panel before attempting to use this input. The
6.4.8 Frame Sync Not Working
Following the questions and steps below will help you solve the problem. If
the problem is cured at any point, there is no need to complete the list:
1. Has the Frame Sync option (M2/PRO/SYNC) been purchased and
installed in the unit? If you are unsure, look in menu #6 page13.
a) If the option is not installed, the display will show NOT PURCHASED
b) If the option is installed, the display will show either ENABLED or
2. Is the Frame Sync option enabled? Look in menu #6 page13.
a) If it is DISABLED, refer to Chapter 3, Operating the Equipment
b) If it is ENABLED, the display shows LOCKED when the Alteia has
Page 6-6
Alteia will ignore any remote control commands if the input is not correctly set.
(Alteia plus, software v2.4 and later). Contact TANDBERG
Television Sales department for further information.
DISABLED.
Locally. The section Frame Synchronisation, Enabling Frame Sync,
takes you through the steps required to enable Frame Sync.
locked to the reference signal applied to the Frame Sync input. If
the display shows UNLOCKED the external locking signal is then
suspect. Go through the following questions in order, if the problem
is cured at any point, there is no need to complete the list:
i. Is the Frame Sync cable connected?
ii. The input is high impedance; an external resister is required.
Is the Frame Sync signal terminated?
iii. Is there a good connection on the wire?
iv. Is the signal in good condition (good sync pulse etc.)?
v. If the locking signal is applied to other equipment, will that
equipment lock satisfactorily to the signal?
vi. If other equipment will lock to the reference signal but the Alteia
will not, contact Customer Services.
Instruction Manual: Alteia and Alteia plus Professional Receivers and Decoders
CAUTION...
ST.TM.E9200.8