Microcom 470 Manual do Utilizador descarregar pdf (Página 6)

T470 User’s Manual, Part C … AuxIR Device support Page 6

Wintal STB14HD / Healing Set Top Box HTT898 : Code 8000h

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 “80h FFh” 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

0Ah

Toggle power key

Up arrow

000h

Same code for CH+ and Up Arrow

Down arrow

001h

Same code for CH

and Down Arrow

Left arrow

003h

Same code for VOL

and Left Arrow

ght arrow

002h

Same code for VOL+ and Right Arrow

Enter

01Fh

01Ah

Exit

01Ch

Mute

00Dh

Toggle

TV/USB

00Ch

Toggle

1 2 3 4 5 6

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