sudo LANG= LC_ALL= ddccontrol -p -c -d
ddccontrol version 0.4.2
Copyright 2004-2005 Oleg I. Vdovikin (oleg@cs.msu.su)
Copyright 2004-2006 Nicolas Boichat (nicolas@boichat.ch)
This program comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of this program under the terms of the GNU General Public License.

Probing for available monitors......I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/PHLC035.xml"
Document not parsed successfully.
.
Detected monitors :
 - Device: dev:/dev/i2c-0
   DDC/CI supported: Yes
   Monitor Name: Philips standard LCD
   Input type: Digital
  (Automatically selected)
Reading EDID and initializing DDC/CI at bus dev:/dev/i2c-0...
I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/PHLC035.xml"
Document not parsed successfully.

EDID readings:
Plug and Play ID: PHLC035 [Philips standard LCD]
Input type: Digital
=============================== WARNING ===============================
There is no support for your monitor in the database, but ddccontrol is
using a generic profile for your monitor's manufacturer. Some controls
may not be supported, or may not work as expected.
Please update ddccontrol-db, or, if you are already using the latest
version, please send the output of the following command to
ddccontrol-users@lists.sourceforge.net:

LANG= LC_ALL= ddccontrol -p -c -d

Thank you.
=============================== WARNING ===============================

Capabilities:
Raw output: (prot(monitor)type(lcd)model(Philips 241E)cmds(01 02 03 07 0C 4E F3 E3)vcp(02 04 05 08 0B 0C 10 12 14(01 04 05 06 07 08 0A 0B) 16 18 1A 60(01 03) 6C 6E 70 AC AE B6 C0 C6 C8 C9 CA CC( 00 02 03 04 05 08 09 0A 0D) D6(01 04) DC(00 01 02 03 08) DF E9(00 02) F0(00 01) 86(02 08)FF)mswhql(1)mccs_ver(2.1)asset_eep(32)mpu_ver(01)SmartManage(1.0))
Parsed output: 
VCP: 02 04 05 08 0b 0c 10 12 14 16 18 1a 60 6c 6e 70 86 ac ae b6 c0 c6 c8 c9 ca cc d6 dc df e9 f0 ff 
Type: LCD

Controls (valid/current/max) [Description - Value name]:
Control 0x02: +/2/255 C [???]
Control 0x04: +/0/1 C [Restore Factory Defaults]
Control 0x05: +/0/1 C [Restore Brightness and Contrast]
Control 0x06: +/0/1   [???]
Control 0x08: +/0/1 C [Restore Factory Default Color]
Control 0x0b: +/50/65535 C [???]
Control 0x0c: +/70/255 C [???]
Control 0x10: +/60/100 C [Brightness]
Control 0x12: +/55/100 C [Contrast]
Control 0x14: +/11/11 C [Color Preset - User 1]
Control 0x16: +/100/100 C [Red maximum level]
Control 0x18: +/100/100 C [Green maximum level]
Control 0x1a: +/100/100 C [Blue maximum level]
Control 0x60: +/3/3 C [Input Source Select - Digital]
Control 0x6c: +/128/255 C [Red minimum level]
Control 0x6e: +/128/255 C [Green minimum level]
Control 0x70: +/128/255 C [Blue minimum level]
Control 0x86: +/8/2 C [???]
Control 0xac: +/33737/65535 C [???]
Control 0xae: +/6000/65535 C [???]
Control 0xb6: +/3/4 C [???]
Control 0xc0: +/4380/65535 C [???]
Control 0xc6: +/111/65535 C [???]
Control 0xc8: +/18/65535 C [???]
Control 0xc9: +/3/65535 C [???]
Control 0xca: +/2/2 C [???]
Control 0xcc: +/9/255 C [???]
Control 0xd6: +/1/4 C [DPMS Control - On]
Control 0xdc: +/0/255 C [???]
Control 0xdf: +/513/65535 C [???]
Control 0xe9: +/0/2 C [???]
Control 0xf0: +/0/1 C [???]
Control 0xf2: +/3/4   [???]
Control 0xff: +/0/1 C [???]