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...

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...

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...

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...

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...

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...

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...

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...

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...

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...