7-6
9.3 User Control
General Key Description
Exit
: Turn off OSM menu, Exit sub menu.
Control : Move the green cursor and select control items.
Adjust
: Change the value of each function / Enter to submenu / Proceed auto adjust / Proceed reset
Next
: Move the NEXT tag
Reset
: Reset the select item (Open reset warning before reset) / Mute the speaker / headphone
sound (short cut: when no OSM menu is shown)
9.3.1 Related ports of I306
Port
Pin No.
I/O
Signal name
Function
Remarks
MFB1 112 1 RESET/
Mute
RESET switch
input
MUTE switch
input
The set value is returned
to the initial value
MFB5
107
1
EXIT
EXIT
switch input
Withdraw from OSD
MFB10
124
1
DOWN
-
switch input
( - )key
MFB4
109
1
UP
+
switch input
( + )key
MFB11 123
1 LEFT
3
switch
input (
3
)key
MFB3 110 1 RIGHT
4
switch
input (
4
)key
MFB2 111
1 NEXT
NEXT switch
input
9.3.2 Functions
Control is effected for the push-switches to be used when the user changes the parameters, in order to
modify the respective setting values. Whether the switch has been pressed is identified with the switch
input level that is turned “L”.
Each switch input port is pulled up at outside of MCU.
Each parameter is stored in the EEPROM, the contents of which are updated as required.
9.4 Control of definition converter MCU I306
9.4.1 Ports related to control
Pin No.
I/O
Signal name
Function
101
I
IRQ
gmZan1 interrupt signal
103
O
HCLK
gmZan1 serial clock
99
I/O
HDATA
gmZan1 serial data
98
O
HFS
gmZan1 serial select
EXIT
w
CONTROL
8
−
ADJUST
+
NEXT RESET/MUTE
