Technical Appendix

Command overview command byte

Hex-

Command

Description

Number

byte

identification

 

Data/ Byte

00

Reset

Reset DiSEqC minicontroller

-

01

Clr. Reset

Reset flag clear

-

02

Standby

Switches off the peripheric power supply unit

-

03

Power on

Switches on the peripheric power supply unit

-

04

Set Contend

Sets the contention flag

-

05

Contend

Feedback only when contention flag is set

-

06

Clr. Contend

Clears contention flag

-

07

Adresse

Feedback only when contention flag is not set

-

08

Move C

Which address when contention flag is set

1

09

Move

Which address when contention flag is not set

1

10

Status

Reads status-register flags

-

11

Config.

Reads configuration flags

-

14

Switch 0

Reads switching status flags (committed port)

-

15

Switch 1

Reads switching state flags (uncommitted port)

-

16

Switch 2

Expansion option

-

17

Switch 3

Expansion option

-

20

Set LO

Calls up the low local oscillator frequency

-

21

SET VR

Calls up the vertical polarisation or circular polarisation , clockwise

-

22

Set Pos A

Selects satellite position A

-

23

Set S0A

Selects switch option A

-

24

Set Hi

Calls up the high local oscillator frequency

-

25

Set HL

Calls up the horizontal polarisation or circular polarisation, counter-clockwise

-

26

Set Pos B

Selects satellite position B

-

27

Set S0B

Selects switch option B

-

28

Set S1A

Calls up matrix S1 input A (input B inactive)

-

29

Set S2A

Calls up matrix S2 input A (input B inactive)

-

2 A

Set S3A

Calls up matrix S3 input A (input B inactive)

-

2 B

Set S4A

Calls up matrix S4 input A (input B inactive)

-

2C

Set S1B

Calls up matrix S1 input B (input A inactive)

-

2D

Set S2B

Calls up matrix S2 input B (input A inactive)

-

2E

Set 3SB

Calls up matrix S3 input B (input A inactive)

-

2F

Set S4B

Calls up matrix S4 input B (input A inactive)

-

30

Sleep

All bus-commands are ignored except „Awake“

-

31

Awake

Bus-commands are accepted again

-

38

Write N0

Sets port group 0

1

39

Write N1

Sets port group 1

1

3A

Write N2

Expansion option

 

3B

Write N3

Expansion option

1

40

Read A0

Reads analogue value A0

-

41

Read A1

Reads analogue value A1

-

48

Write A0

Sets analogue value A0

1

49

Write A1

Sets analogue value A1

1

4F

Write A7

Sets analogue value A7

1

50

LO string

Reads current frequency

-

51

LO now

Reads current frequency (Table entry number)

-

52

LO Lo

Reads low frequency table entry number

-

53

Lo Hi

Reads hi frequency table entry number

-

58

Write Freq

Writes channel frequency

2 or 3

59

Ch.No.

Sets the selected channel number (Receiver)

2

60

Halt

Stops positioner

-

61

Go E

Directs positioner to the east

-

 

Go W

Directs the positioner to the west

62

64

P Status

Reads positioner status register

-

65

Read Pos

Reads positioner counter

-

6C

Goto

Drives positioner motor to counter value hi, low

2

6D

Write Pos

Set positioner counter hi, low

2

In the MSK 33, two different DiSEqC types have integrated. DiSEqC 1.0: With this system, DiSEqC commands can be sent but not

received. DiSEqC 2.0: With this system, DiSEqC commands can be sent and received (highlighted in grey in the table). Bold com- mands are preferably used for Kathrein switching matrices.

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DreamGEAR MSK 33 manual Command overview command byte, Reset Reset DiSEqC minicontroller