Specifications

RCU-2000 Remote Control Unit
VTM-2000 Installation and Operation Handbook
C-2
connector on the back of the RCU, as illustrated in Figure C-2. The RCU-2000
must be at one end of the RS-422 bus. The last VTM-2000 instrument must be
terminated at the other end by selecting TERMINATION in the
COMMUNICATIONS\RCU PORT menu.
Figure C-2. Connecting the RCU to Multiple VTM-2000
6. Once connected, select the VTM-2000 instrument to be controlled by the
RCU-2000 by pressing and holding the SETUP and EXIT buttons simultaneously
on the RCU-2000 simultaneously. While in the selection mode, the PHASE LED
flashes.
7. Rotate the CURVED ARROW knob to search up or down from the last found Unit
ID to select the instrument to be controlled. The Line Select LEDs will alternately
flash until a VTM-2000 is found.
8. When communication is established between the RCU-2000 and the VTM-2000
instrument, the RCU-2000 LINE SELECT LEDs will stop flashing in alternate
pairs. The RCU-2000 LEDs now reflect the settings of the attached VTM-2000
instrument. The RCU-2000 front panel operations affect the VTM-2000
instrument.