2
DTP T USW 333 • Setup Guide (Continued)
g
Remote Tally port
— If desired, to remotely identify the currently selected input, plug a locally-constructed device into this 3.5 mm,
4-pole captive screw connector. Connect the power wire for the device into the +V pin and connect the ground wire for the each
indicator into the corresponding tally output pin: 1, 2, or 3.
When an input is selected, by either contact closure or front panel selection, the corresponding tally output pin shorts to ground,
closing the circuit and lighting the connected indicator (LED).
h
Remote RS-232 port
— Plug a serial RS-232 device into the switching transmitter via this rear
panel 3.5 mm, 3-pole captive screw connector for remote control of the switching transmitter.
Reset button
i
Reset button
— This button initiates two levels of reset. For different reset levels, use an
Extron Tweeker or small screwdriver to press and hold the recessed button either while the
switcher is running or while applying power. See the
DTP T USW 333 User Guide
, available at
www.extron.com
, for details.
Power
j
Power connector
— Connect an IEC power cord between the included 12 VDC
power supply and a 100-240 VAC, 50-60 Hz source. Connect the power supply to
either unit, transmitter or receiver, as shown at right. Use the included tie-wrap to
strap the cord to the captive screw connector.
NOTE:
Only one power supply is required. A single power supply connected to
either unit in the pair powers both units. A power supply is included with the
transmitter.
Front panel Configuration port
a
Configuration port
— Plug a PC or other controlling device into the switching transmitter via this front
panel mini-USB connector for remote configuration of the switching transmitter.
Operation
Switching inputs
Select the desired input by pressing the associated input button. Observe that the
LED for the selected input lights.
NOTE:
The switcher must be in normal (manual) mode (see below).
Selecting the switch mode
In auto-input switching mode, the switcher selects to the highest numbered input
with a sync signal present. Turn auto-input switching mode on and off as follows:
1.
Press and hold the Mode (Input 1) button.
2.
Press and release the button for the desired mode:
Auto (Input 3)
— The Auto Switch LED lights.
Normal (Input 2)
— The Auto Switch LED goes off.
3.
Release the Mode button.
Locking and unlocking the front panel
(Executive mode)
The switcher has a front panel lock feature that locks the front panel. If you try to make
front panel input selections when the panel is locked, all front panel LEDs flash three
times. Toggle the front panel lock on and off by pushing and holding all three Input
buttons simultaneously for 5 seconds. All front panel LEDs flash three times.
Release the buttons.
Interpreting the Status LEDs
Signal LEDs (1 through 3)
—Indicate that the switcher detects horizontal sync
(Signal LED 1) or TMDS clock (Signal LED 2 and Signal LED 3) signals on the associated input.
HDCP LEDs (2 and 3)
—Indicate that the corresponding input signal is HDCP encrypted.
Power Supply
Output Cord
Ridges
Smooth
Captive
Screw
Connector
3"
16 (5 mm) Max.
SECTION A–A
A
A
REMOT
E
Rx
Tx
Gnd
RS-232 Device
G
Rx
Tx
RS-232
V
AUTO
SWITCH
CONFIG
1
1
2
3
MODE
NORMAL
AUTO
Press the button.
The LED lights
green
.
1
2
3
MODE
NORMAL
AUTO
AUTO
SWITCH
Press and
HOLD
the Mode button.
Press and release the Auto or Normal button.
Release the Mode button.
Auto Switch lights (auto)
or goes out (normal).
1
2
3
MODE
NORMAL
AUTO
Press the and
HOLD
the all three Input buttons.
All three LEDs flash three times. Release the Input buttons.
HDCP
SIGNAL
STATUS
1
2
3