Microcom 470 Manual do Utilizador descarregar pdf (Página 5)

T470 User’s Manual, Part C … AuxIR Device support Page 5

Healing Set Top Box HTT894 : Code 7F00h

In simple applications, this device just needs Up and Down TV channel keys allocated on the T470 keyboard.

If it is used infrequently, or, (e.g. to save power) it needs to be placed into standby between uses) a Power On/Off

toggle key can be allocated. It always powers up on the channel being used before standby. Rebooting after standby

takes a few seconds, which could annoy users.

Full functionality can be achieved by allocating other keys, e.g. menu, arrow and the “OK” function to T470 keys.

Audio level keys can also be allocated on this STB, or this could be left at a set level to be controlled via the display

device volume controls.

Device code “01h F6h” is assumed, and a 32 bit data message is sent at 38kHz using the generic “NEC” format. The

Code below is the third byte, and the code is send again, inverted as the 4

byte.

Number

AuxIRFunction

Code sent

Comments

r On/Off

012

oggle power key

Up / Ch Up

01Bh

Same code for CH+ and Up Arrow

Dn / Ch Dn

01Fh

Same code for CH

and Down Arrow

Lft Vol Dn

01Eh

Same code for VOL

and Left Arrow

Rgt Vol Up

01Ah

Same code for VOL+ and Right Arrow

OK Enter

05Bh

016

Exit

015h

Mute

010h

Toggle

TV/R

040h

Toggle

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