ViewSonic VT2756-L - Page 47

Other Information
38
[NOTE]
1. Behavior at lock modes
Lock Mode Behavior
Button Lock 1. Lock all buttons of front panel and RCU, except for “Power”
2. All the SET functions should be workable via RS32, even the ones with
according hot key in RCU like Mute,…etc.
MENU Lock 1. Lock “MENU’ key of front panel and RCU
2. The Factory and Hospitality modes should not be blocked for the
model
using MENU-combined key to enter these two modes. Alternative
approach
will be indicated separately if any limitation by model.
POWER Lock 1. Lock “POWER” key of front and RCU.
2. The SET_POWER on/off should be workable via RS232, but does not
mean
the POWER lock will be released under this case.
3. Can not be un-locked by reset in OSD setting
4. Will auto AC power-on in power-lock
5. Under power-lock, the set will not enter power saving when no PC
signal and
neither not turn off when no other video signals after 15min.
Remote control
disable
Lock the keys on RCU, but keep the buttons of front panel workable.
2. Example for value setting of SET_TV channel DTV
012-0: 0x 30 31 32
012-1: 0x 30 31 42
1012-2: 0x 41 31 52
1512-3: 0x 46 31 62
3.2 Get-Function Listing
The PC can interrogate the TV Monitor for specic information. The Get-Function packet format
consists of 9 bytes which is similar to the Set-Function packet structure. Note that the “Value” byte
is always = 00.
Get-Function description:
Length: Total Byte of Message excluding “CR”
TV ID: Identication for each of TV
Command
Type:
Identify command type,
“g” (0x67h) : Get Command
“r” (0x72h) : Valid command Reply
“-“ (0x2Dh) : Invalid command Reply
Command: Function command code: One byte ASCII code
Value[1~3]: Three bytes ASCII that denes the value
CR: 0x0D