STEREO, SAP, Mono

Function of each button on Remote Control Handset:

1.	Power	On/Off
2.	Rescan	for receiver to re-scan and locate all available TR1a and can
		select one preferable TR1a.
3.	Video	Select AV1, AV2 or S VIDEO input of the TR1a selected
4.	TV	Select Cable/Broadcast TV input of the TR1a selected
5.	Audio	STEREO, SAP, MONO
6.	Screen	Select Display aspect ratio 16:10 or 4:3
7.		Menu function up
		Menu function down
	Menu	Menu function display
		Menu function forward
		Menu function backward
8.	Mute	Audio Mute On/Off

9.Savings (same as remote key printing, actually this is "OUTDOOR" mode selection key)

On (brightness 80%) / Off (brightness 45%) -> Outdoor (brightness 85%) / Normal (brightness 45%)

The i-M15a screen will be in black when i-M15a battery power is too low to support higher brightness

10.	Display	Display and language selection
11. 1~9		Numeric Keys 1~9
12.	Volume	Volume up
13.	Volume	Volume down
14.	Channel	TV channel up
15.	100	Numeric Key 100
16.	0	Numeric Key 0
17.		Recall last channel
18.	Channel	TV channel down