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CTRL001
RJ45 socket
USB type A socket
CONNECTORS
USB type B socket
USB type A socket
RJ45 socket
USB type A socket
SWITCHES
ON/OFF
CHANNEL
INDICATORS
ON
ERROR
LINKS
1 link jumper
3 further jumper links on pcb
BATTERY
Holder for 2/4 AA cells
Provision for further inputs and indicators on pcb
DIMENSIONS
Dimensions (H x W x D)
Weight
HITACHI DIGITAL MEDIA, Hitachi Europe Ltd, Whitebrook Park, Lower Cookham Road, Maidenhead, Berkshire SL6 8YA UNITED KINGDOM
Tel: +44 (0)1628 585 000 Fax: +44 (0)1628 585 500 www.hitachidigitalmedia.com
The specification above and photography is for reference only and may be subject to change.
Technical specifications
USB type A socket
USB type B socket
to PC/laptop
to whiteboard
RS232 to projector
for USB memory stick
Momentary contact push button
Momentary contact push button
Green LED
Red LED
130 x 67 x 30mm
150g
Operation
The unit will remain in unpowered state until either power is detected
on USB input or on/off button is pressed
• On USB power detect
Retrieve last selected channel from non-volatile memory and send
power-on command to projector followed by channel select command.
• On USB power down
Start timeout.
• On power button press when powered down
Retrieve last selected channel from non-volatile memory and send
power on command to projector followed by channel select
command. Start timeout.
• On power button press when powered up
Send command to projector to turn off. Disconnect power.
• On channel button press when powered down
Retrieve last selected channel from non-volatile memory and send
power on command to projector followed by channel select
command. Start timeout.
• On channel button press when powered up
Step to next channel, save channel number in non-volatile memory
and send channel command to projector. Start timeout.
• On ten second timeout
Disconnect battery power.
on bottom of board
on bottom of board
on top of board
on top of board
Power ON/OFF. Automatic power OFF after 10 seconds if no USB power.
Select next channel
Illuminated when USB power detected or push button pressed
Flash briefly every 5 seconds when battery is low.
Flash three times quickly if communication with projector fails
To force manual only operation
For future enhancements
At least 6 months life
07/08
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