DRAKE 1002366 Handmatig - Pagina 2

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3 Installation, continued

Remove the original screw at location A.

Screw the standoff spacer, that is included

with the option board, into the hole at

location A. Carefully remove the 100-2369

board from its static protection package.

Position the board as indicated and plug it

into the 36 pin connector.

PLUG INTERFACE

HEADER INTO 36 PIN

CONNECTOR

TIGHTEN SCREW

INTO SPACER

Reinstall the screw to fasten the Option

Board to the spacer. Replace the right

side cover and screws.

OPERATION

Follow the instructions in the SCT860

instruction manual. Now that the 100-2366

board is installed, the FIXED clock option

may be selected and the output BD RATE

(baud rate which is the symbol rate) may

be set. The original AUTO clock mode is

still selectable, if desired.

PLUG IN SUPPLIED

BNC CONNECTOR

CABLE HERE

FIGURE 3

UPDATE FIRMWARE

In order for the fixed clock option, provided

by the 1002366 board, to operate in the

SCT860, it is necessary to change the

firmware in the SCT860 to the fixed clock

version. Unless your SCT860 was ordered

from the factory with the 1002366 board

installed, you will need to download the

correct firmware to the SCT860. This will

be accomplished by means of the RS232

PC interface on the PS100 power supply.

The fixed clock firmware is provided on

the enclosed diskette.

Once the fixed clock firmware and the

1002366 board have been installed, either

the fixed clock mode or the auto clock

mode may be chosen from the SCT860

menu. Installation of the board and

firmware does not prevent use of auto

clock mode if desired.

Check current firmware version by

pressing the front panel up arrow

button while the SCT860 is not in

the adjust mode. Read the version

number. If you see VERSION 1.3,

VERSION 1.4, or an earlier version

without an F after the number, this

is auto clock mode only firmware

and must be upgraded for the

1002366 board to function. If you

see VERSION 1.4A or higher with an

"A" suffix, this is also auto clock

firmware and must be replaced with

the fixed clock version. The 1002366

board can be installed with the auto

versions of the firmware in place and

the SCT will function as before in the

auto clock mode. No access to fixed

clock mode will be possible. If you

see VERSION 1.4 F or a later

version with an F suffix, you already

have the correct firmware (highly

unlikely unless the 1002366 board

is already in place because use of

the 'F' firmware without the

1002366 board is not allowed).

Operation

Copy the two files from the diskette

included with the 1002366 board kit

into the folder on your PC where the

SCT860 Control Program was

installed. If you did not change the

setting upon installation, this folder

should be: C:\Program Files\Drake

SCT860. Copy both the Fixed

Version 1.4 or higher hex file for use

with the 1002365 and also the Auto

Version 1.4 or higher hex file for use

if the 1002366 board is ever removed

from the SCT. These files may also

be found on V 1.4 or higher of the

SCT860 Digital Headend Transcoder

Remote Control Software CDROM.

If you do not have the diskette or V

1.4 or higher CDROM, referenced

above, you may use files found on the

V 1.2 or V 1.3 CDROM, but these are

not the latest versions. If using files

from these older CDROMs, select the

V 1.x fixed file. When these files are

used, the F will not display on the

front panel when the firmware version

is checked – therefore, we discourage

the use of these older versions unless

these are the only available option at

hand. Look for the presence of the

CLOCK selection menu to confirm

that the older fixed version of the

firmware is loaded after downloading.