GDP-32
II
INSTRUCTION MANUAL
May 2002 Section 6, Page 26
SYNCHRONIZING AN ADDITIONAL XMT-32 (MULTI/SY-16)
An additional XMT-32 can be synchronized along with the rest of the equipment by using the
following procedure:
1. Adjust each receiver individually, using the master transmitter controller as shown in
Figure 6.5 (b) and (c).
2. Connect a cable between the master receiver's Transmitter I/O port and the slave
transmitter controller's I/O port.
3. Adjust the slave controller using the OSC TRIM pot on the controller. DO NOT adjust
the receiver again, since it has already been trimmed to the master controller.
4. Connect an additional cable between the slave controller's I/O port and any slave port on
the Sync Box as shown in Figure 6.5(d).
5. Press RESET on the slave controller and keep it depressed while RESET is pressed and
released on the master transmitter controller. (RESET on the slave controller may be
released any time after releasing RESET on the master controller.)
Check the synchronization
To check the synchronization of the two transmitter controllers and one GDP-32
II
receiver:
1. Enable three channels on the GDP-32
II
.
2. Connect the cal output on one transmitter controller to channel 2 on the receiver.
3. Connect the cal output on the other transmitter controller to channel 3 on the receiver (red
to red, black to black).
4. Connect channel 1 on the receiver to the cal output on the receiver, as shown in Figure
6.4.
NOTE: The timing systems of the GDP-16/XMT-16 and the GDP-32
II
/XMT-32 are identical.
Field operations may be conducted using receivers and/or transmitter controllers from the
different families provided they are equipped with matching crystals.
GDP-16’s were originally manufactured with either a 5.0 MHz or a 4.980736 MHz crystal.
Before mixing components from the two families, it is important to ascertain their crystal
frequencies.
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