syntax Projector%

syntax Power-Status

syntax Projector-Aspect

constructor (new projector% [host host]) → (is-a?/c projector%)

host : String

Connect to projector running on specified address or a host name passed as the host field.

method (send a-projector command fmt arg ...) → String

fmt : String

arg : String

Execute raw ESC/VP21 command string composed in the same style as with the format function. Returns reply.

method (send a-projector get-power-status) → Power-Status

Inquire about projector power status.

method (send a-projector online!) → Void

Turn the projector on.

In takes a while for the projector to warm up. It is possible to monitor situation by polling the get-power-status method.

method (send a-projector offline!) → Void

Shut the projector down.

Like startup, cooling down the lamp takes some time. It is possible to monitor situation by polling the get-power-status method.

method (send a-projector set-mute! mute?) → Void

mute? : Boolean

Enable or disable the video mute function. Basically blanks or un-blanks the projection. Muting the picture unfreezes it.

method (send a-projector set-freeze! freeze?) → Void

freeze? : Boolean

Freeze or unfreeze the current picture. Freezing the picture unmutes it.

method (send a-projector set-aspect! aspect) → Void

aspect : Projector-Aspect

Change projector picture aspect mode.

method (send a-projector get-mute?) → Boolean

Get video mute status.

method (send a-projector get-freeze?) → Boolean

Get picture freeze status.

method (send a-projector get-aspect) → Projector-Aspect

Get current picture aspect mode.

method (send a-projector send-key key) → Void

key : Byte

Send a keycode press. Refer to manual for your projector revision to get list of valid keycodes and their meaning.