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DR500 (E-35)
Rev. C 10/94
Setting the Transponder Frequency
The DR500 is shipped with the transponder frequency saved in memory. It is highly unlikely that this
frequency will have to be changed and should only be done upon instructions from your DMX affiliate. In
the event that a new transponder frequency must be entered, follow these procedures:
1. Press:
PRESET 9 2 0
The transponder frequency in MHz displays as a flashing three-digit code on the
front panel. The transponder frequency codes and their corresponding frequencies are
shown below.
MHz Front Panel Codes Transponder Frequency
950 to 999 950 MHz to 999 MHz
000 to 450 1000 MHz to 1450 MHz
2. Enter the transponder frequency using the DR500 front panel codes. (For example,
you enter a frequency of 1249 MHz using the code 249.) Press the appropriate
number, then press STORE.
# # # STORE
The new transponder frequency will be stored in memory.
Pressing PRESET while entering a Transponder Frequency code exits the procedure and returns to the
current channel.
Be careful to enter the correct frequency. The DR500 will not operate if the
Transponder Frequency is incorrect.