23
4.0
Remote Operations
The front panel power switch must be in the “On” position to operate in the
remote mode. The fan will run continuously. Located on the rear of the
“DCR III”
light source is a DB 9-pin female remote interface connector (
not
an RS232).
The following remote operations are available.
4.1
Remote Lamp Intensity Control Using the Optional Hand Remote.
Part Number A20601
(no battery required)
Remotely adjust lamp intensity through the 9-pin remote interface connector
located on the back of the light source.
-
Set the front panel intensity control knob to the
R
(
R
emote) position.
-
Connect the unit to the 9-pin remote interface connector.
Note: Remote, P/N A20601, is a 100k
Ω
potentiometer connected between pins 2
and 4. Specifically, the fixed end of the potentiometer is connected to pin 2 and
the wiper of the potentiometer is connected to pin 4.
4.2
Remote Lamp Intensity Control Using an External DC Control
Voltage
Remotely adjust lamp intensity through the panel 9-pin remote interface
connector located on the rear back of the light source.
-
Set the front panel intensity control knob to the
R
(
R
emote) position.
-
Connect pin 2, referenced to pin 7 (ground), to a 0 to +5 VDC Source,
(minimum to maximum intensity).
Remote Interface Internal Schematic
for Reference Only
Remote Interface Connector
Rear View