HP Vp6320c Digital Projector Users Guide

							Installing the projector 51
TIP:As an alternative, you can loop a cable or bracket around the projector handle to secure 
the projector in place.
Controlling an external accessory
If your projector has a 12-volt trigger output port, the projector can automatically control one or 
more accessories. Certain types of accessories can use a 12-volt signal to trigger their actions, 
such as a motorized screen lowering and raising the screen. The output provides a 12-volt dc 
signal whenever the projector is on (200 mA maximum current output).
Requires:
Two-wire cable with 3.5-mm × 1.3-mm barrel connector (12 V on inner contact) 
						

							Installing Permanently 52
Connecting to a room controller
If your projector has a serial port, you can connect the projector to a room controller using a 
serial (RS-232) cable. After you program the room controller using the following commands, 
you can use the room controller to operate the projector and other components of your 
installation.
Serial connections
The serial port on the projector uses a standard serial (RS-232) cable:
Pin 2: data sent to the projector (RxD)
Pin 3: data sent from the projector (TxD)
Pin 5: ground
The room controller must use the following serial (RS-232) settings:
9600 baud
1 start bit + 8 data bits (D0=LSB, D7=MSB) + 1 stop bit
No parity
Full duplex communication channels (no flow control)
No handshaking
Examples of room controller commands
In the following examples, “” and “” represent a carriage return and line feed, 
respectively.
Commands are sent to the projector as requests which consist of an asterisk (*) prefix, the 
command name, any needed parameter, and a carriage return  as a terminator:
* command = parameter 
Requests can contain only ASCII alphanumeric characters. Blanks (spaces) are allowed, except 
within keywords and numbers. Line feeds  are ignored. 
						

							Connecting to a room controller 53
The following table shows the specific syntax to use for various requested tasks.
In general, every request sent to the projector generates one or more notification messages, 
which are sent to the room controller. Actions initiated by the projector can also generate 
notifications.
The projector always sends notifications whenever a setting changes, whether as the result of a 
request from a controller, or as the result of an action, such as a button press or menu change. 
Some requested setting changes take time to perform, or are carried out in stages. Because of 
this, requests might produce delayed notifications.
The following table lists the types of notifications generated in various situations.
Incorrect commands cause the following types of notifications:
No asterisk at start of command—no response
Unrecognized command name—command with “?” added
To perform this task... Use this request syntax...
Change a setting to a specified value *command=value
Ask the current setting *command=?
Increment a setting *command=+
Decrement a setting *command=–
Invoke an action (no parameter needed) *command
This type of request... Generates this type of notification...
Modify a setting Echoes the request command and shows the resulting value:
Request: *BRT=65
Notification: *BRT=65
Query a setting Echoes the request command and shows the resulting value:
Request: *CON=?
Notification: *CON=40
Execute an action Echoes the request command:
Request: *NXT
Notification: *NXT 
						

							Installing Permanently 54
Command that is currently unavailable—command with “?” added
Invalid parameter—command with current value
Action command with unnecessary parameter—action command
Action command that is unavailable—action command
The following simplified example shows how the projector typically responds to a request to 
change the active input source. Note that the three latter notifications are delayed.
Room controller commands
In the following tables, if the parameter listing for a particular command is “None,” that 
command requires no parameter. Some commands are valid only when the projector is turned 
on, STAT=1. Some commands are available only when specific input sources are active.
Request:*RSRC=4
Notification:*RSRC=4 (acknowledges request)
*SRC=0 (projector is attempting to acquire source 4, and in the interim 
has no valid source)
*SRC=4 (source 4 is now active)
*BRT=60 (brightness has been modified for source 4)
*CSPC=? (color space is not supported for this input)
Source function
Command Parameters Description
SRC ? Queries the current active input source: 0=no active 
source,1=VGA-in, 3=composite video, 4=S-video, 8=DVI.
RSRC 1, 3, 4, 8, ? Attempts to use the specified source as the active input source, 
or queries the last source requested: 1=VGA-in, 3=composite 
video, 4=S-video, 8=DVI.
NXT None Switches to the next input source.
AUTO 0, 1, ? Sets or queries automatic searching inputs for signal: 0=no 
searching, 1=searching. 
						

							Connecting to a room controller 55
Video functions
Command Parameters Description
CSPC 0 to 2, ? Sets or queries the active color space: 0=RGB, 1=YPbPr, 
2=YCbCr.
PMOD 0,1,5,? Sets or queries the picture mode: 0=graphics, 1=video, 
5=custom.
VSHFvalue, +, –, ? Sets or queries the vertical shift of the projected image: usable 
range is determined by the active input source.
HSHFvalue, +, –, ? Sets or queries the horizontal shift of the projected image: 
usable range is determined by the active input source.
WHIT 0 to 10, +, –, ? Sets or queries the white intensity.
BRT 0 to 100, +, –, ? Sets or queries the brightness.
CON 0 to 100, +, –-, ? Sets or queries the contrast.
SAT 0 to 100, +, –, ? Sets or queries the color saturation.
TNT -45 to 45, +, –, ? Sets or queries the tint.
CTMP 0 to 2, ? Sets or queries the color temperature: 0=warm, 1=neutral, 
2=cool.
SHRP 0 to 12, +, –, ? Sets or queries the sharpness.
PENH 0 to 6, +, –, ? Sets or queries the picture enhancement setting.
KEYV -50  to  50,  +,  –,  ? Sets or queries the vertical keystone: 0=no keystone adjustment, 
1 to 50=shrinks the top of the display, -1 to -50=shrinks the 
bottom of the display.
ASPT 0, 1, 4, ? Sets or queries the aspect ratio: 0=1-to-1, 1=Best Fit, 
4=Reduced.
SYNC None Automatically resynchronizes the projector to the active 
computer input source.
FREQ -50 to 50, +, –, ? Sets or queries the projector’s timing relative to the active 
computer input source.
TRKvalue, +, –, ? Sets or queries the synchronization of the projector to the active 
computer input source. 
						

							Installing Permanently 56VPOSvalue, +, –, ? Sets or queries the vertical positioning of the projected image: 
usable range is the maximum and minimum allowed by the 
active computer input source.
HPOSvalue, +, –, ? Sets or queries the horizontal positioning of the projected 
image: usable range is the maximum and minimum allowed by 
the active computer input source.
HIDE 0, 1, ? Sets or queries picture blanking: 0=not hidden, 1=hidden.
WIDE 0, 1, ? Sets or queries wide screen mode: 0=normal, 1=wide.
KEYR None Resets keystone to zero.
Audio functions
Command Parameters Description
MUTE 0, 1, ? Sets or queries audio muting: 0=not muted, 1=muted.
VOL 0 to 31, +, –, ? Sets or queries audio volume: 0=off, 31=maximum.
INTSP 0, 1, ? Sets or queries usage of the internal speakers: 0=disabled, 
1=enabled.
Setup functions
Command Parameters Description
LANG 0 to 10, ? Sets or queries the language used by the projector: 0=English, 
1=French, 2=Italian, 3=German, 4=Portuguese, 5=Spanish, 
6=Traditional Chinese, 7=Simplified Chinese, 8=Korean, 
9=Japanese, 10=Czech.
LSAV 0, 1, ? Sets or queries low-power operating mode: 0=normal power, 
1=low power.
LHRS ? Queries the time (in tenths of hours) that the lamp has been in 
use.
Video functions (continued)
Command Parameters Description 
						

							Connecting to a room controller 57 THRS ? Queries the total time (in tenths of hours) that the projector has 
been in use.
POS 0 to 3, ? Sets or queries the projector’s position: 0=front table, 1=front 
ceiling, 2=rear table, 3=rear ceiling.
TMO 5 to 20, ? Sets or queries the menu timeout setting (seconds)
PTMO 0, 3 to 6, ? Sets or queries the power timeout: 0=never, 3=15 min, 4=30 
min, 5=60 min, 6=120 min.
VERS ? Queries the projector model number and firmware version. The 
notification takes this form:
*VERS=”proj_model:proj_fw”
SNUM ? Queries the projectors serial number.
Power and status functions
Command Parameters Description
SHDN None Puts the projector into cool-down state, and later into standby 
state. The projector sends a notification when it enters cool-
down state (STAT=3), and another when it enters standby state 
(STAT=0). This keyword requires the projector to be in its on 
state (STAT=1).
Do not send any requests other than STAT in the time between 
the cool-down and standby state notifications. Otherwise, 
unexpected results can occur.
W or WAKE None Puts the projector into warm-up state, and later into on state. 
The projector sends a notification when it enters warm-up state 
(STAT=2), and another when it enters the on state (STAT=1). 
This keyword requires the projector to be in standby state 
(STAT=0).
Do not send any requests other than STAT in the time between 
the warm-up and on state notifications. Otherwise, unexpected 
results can occur.
Setup functions (continued)
Command Parameters Description 
						

							Installing Permanently 58STAT ? Queries the projectors current state: 0=standby state (off), 
1=on, 2=warm-up state, 3=cool-down state.
ALERT Not a request Notifies when a system alert condition occurs: 0=lamp life 
warning, 1=lamp life reached, 2=lamp faulty, 3=lamp 
problem, 4=internal temperature too high, 5=fan problem, 
6=ambient temperature too high, 7=color wheel problem, 
8=lamp cover open.
ALERT is sent only by the projector, and cannot be used in 
requests.
Simulated key presses
Command Parameters Description
BACK None Simulates pressing the Exit Arrow key on keypad
ENTER None Simulates pressing the ENTER key on keypad
LEFT None Simulates pressing the Left Arrow key on keypad
RIGHT None Simulates pressing the Right Arrow key on keypad
UP None Simulates pressing the Up Arrow key on keypad
DOWN None Simulates pressing the Down Arrow key on keypad
Power and status functions (continued)
Command Parameters Description 
						

							Troubleshooting suggestions 59
6 Fixing Problems
Troubleshooting suggestions
If you have a problem with your projector, check the following statement that most closely 
matches the nature of the problem, then look in that section of this chapter:
“Warning light problems” on page 59
“Start-up problems” on page 60
“Picture problems” on page 60
“Sound problems” on page 63
“Interruption problems” on page 63
“Remote control problems” on page 63
TIP:If these suggestions do not solve your problem, go to http://www.hp.com/support for 
additional information. To contact HP, refer to the support guide included with the projector.
Warning light problems
If both red warning lights are blinking:
 Allow the projector to cool down after it turns off. If this condition occurs after you 
restart the projector, an internal component has failed. Contact HP for assistance.
If the red temperature light is on or blinking:
 Allow the projector to cool down after it turns off. Be sure that nothing is near or 
blocking the vents on the projector, and that the vents are free of lint and other objects. 
Remove any sources of excess heat in the room. Observe temperature and altitude limits 
(see “Specifications” on page 65). If the warning light turns on or blinks after you 
restart the projector, contact HP for assistance.
If the red lamp light is on or blinking:
 Allow the projector to cool down after it turns off. If the warning light turns on or blinks 
after you restart the projector, install a new lamp. If this occurs after you install a new 
lamp module, remove and reinstall the lamp module. If a new lamp does not fix the 
problem, contact HP for assistance. 
						

							Fixing Problems 60
If the red lamp light is flickering quickly:
 Check that the cover over the lamp at the side of the projector is correctly installed and 
fully attached. Check the tab at the top of the cover and latch at the bottom.
Start-up problems
If no lights or sounds turn on:
 Be sure that the power cable is securely connected to the projector and the other end is 
plugged into an outlet with power.
 Be sure the main disconnect switch is turned on.
 Press the power button again.
 Unplug the power cord for 15 seconds, then plug it in and press the power button 
again.
Picture problems
If a “scanning” or “waiting” message is displayed on a blank screen:
 Press the source button on the projector or remote control one or more times until the 
correct source name is selected.
 Be sure the external source is turned on and connected.
 For a computer connection, ensure your notebook computer’s external video port is 
turned on. Refer to the computer manual. On some notebooks, for example, press the 
F
N+F4 or FN+F5 function keys to turn on the external video port.
If the wrong input source is displayed:
 Press the source button on the projector or the remote control one or more times to select 
another active input source.
If the image is out of focus:
 Be sure the lens cover is open.
 While displaying the on-screen menu, adjust the focus ring. (The image size should not 
change; if it does, you are adjusting the zoom, not the focus.)
 Ensure the projection screen is 1 to 10 m (3 to 33 ft) from the projector.
 Check the projection lens to see if it needs cleaning.