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Gallery Court, Hankey Place, London SE1 4BB England   

Tel: +44 (0)20 7940 2200  Fax: +44 (0)20 7940 2233  Web: www.cambridge-audio.com

 

540C v2.0 and 640C v2.0 CD Players 

 Remote Control Codes 

 

All Codes are NEC format. 

 
System Code = A0 A0 

(NEC Code) 

Key 

Command Code hex 

Command Code dec

1 01 1 
2 09 9 
3 11 17 
4 19 25 
5 02 2 
6 0A 10 
7 12 18 
8 1A 26 
9 03 3 
0 0B 11 
1+ 13  19 
Prog 1B 

27 

Play 15 

21 

Pause 1D 

29 

Stop 1C 

28 

Random 0E 

14 

Remain 0F 

15 

Skip left 

04 

Skip right 

0C 

12 

Repeat 16 

22 

AB 17  23 
<< 05  5 
>> 0D  13 
Intro 06 

Space 1E 

30 

Open 07 

Power toggle 

44 

68 

Power On 

46 

70 

Power Off 

45 

69 

Bright toggle 

47 

71 

 
Note the Discrete Mute On and Off and Power On and Off codes which don’t 
have dedicated buttons on the remote are also actually available from the 
remote by special procedure, see product manual 
 
 

 
Information in this document has been carefully checked for accuracy; however, Cambridge Audio's policy is 
one of continuous improvement, therefore design and specifications are subject to change without prior 
notice. If you notice any errors please feel free to email us at: 

[email protected]

 

 

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