you can also use a Sony RM-AX1400 or a RM-NX7000 and program that quite easily, these can be found cheaply on Ebay.
If you go down this path the following codes can be used, you will need to make a preset file though which i could step you through on how to make one.

0x00
1
02E40000000000000083

0x01
2
02E40000000100000083

0x02
3
02E40000000200000083

0x03
4
02E40000000300000083

0x04
5
02E40000000400000083

0x05
6
02E40000000500000083

0x0F
Clear
02E40000000F00000083

0x10
Cancel
02E40000001000000083

0x12
Volume +, Audio Attenuator –
02E40000001200000083

0x13
Volume –, Audio Attenuator +
02E40000001300000083

0x14
Mute
02E40000001400000083

0x15
Power
02E40000001500000083

0x16
Video Mute
02E40000001600000083

0x17
Audio Mode
02E40000001700000083

0x18
Mode Lock
02E40000001800000083

0x19
Video/S-Video
02E40000001900000083

0x1A
Front/Rear
02E40000001A00000083

0x1B
Set
02E40000001B00000083

0x1C
Memory 1
02E40000001C00000083

0x1D
Memory 2
02E40000001D00000083

0x1E
Memory 3
02E40000001E00000083

0x1F
Memory 4
02E40000001F00000083

0x20
Input A
02E40000002000000083

0x21
Input B
02E40000002100000083

0x22
Input C
02E40000002200000083

0x38
Input Select 1
02E40000003800000083

0x39Input Select 2
02E40000003900000083

0x3A
Input Select 3
02E40000003A00000083

0x3B
Input Select 4
02E40000003B00000083

0x40
Monitor 1 (input 1 out)
02E40000004000000083

0x41
Monitor 1 (input 2 out)
02E40000004100000083

0x42
Monitor 1 (input 3 out)
02E40000004200000083

0x43
Monitor 1 (input 4 out)
02E40000004300000083

0x44
Monitor 1 (input 5 out)
02E40000004400000083

0x45
Monitor 1 (input 6 out)
02E40000004500000083

0x48
Monitor 2 (input 1 out)
02E40000004800000083

0x49
Monitor 2 (input 2 out)
02E40000004900000083

0x4A
Monitor 2 (input 3 out)
02E40000004A00000083

0x4B
Monitor 2 (input 4 out)
02E40000004B00000083


0x4C
Monitor 2 (input 5 out)
02E40000004C00000083

0x4D
Monitor 2 (input 6 out)
02E40000004D00000083


0x50
Monitor 1 in/out
02E40000005000000083

0x54
Monitor 2 in/out
02E40000005400000083

0x5D
Mode C
02E40000005D00000083

0x63
Aux Audio
02E40000006300000083

0x67
Processor
02E40000006700000083

0x68
Pass Video
02E40000006800000083

0x69
Pass Audio
02E40000006900000083

0x6B
Matrix
02E40000006B00000083
i can post the codes in the Sony format