User's Manual
Telex ST-300 Transmitter Page 3
Operating Instructions:When the Power button is pressed, the Channel, Frequency and
existing audio settings are displayed. After 10 seconds (unless another button is pressed)
the audio settings are blanked out. After this point, switch functions as follows:
Operation Function/Result
Press set Audio Settings are displayed.
Press set Channel (“blinks”) flashes.
Press up (arrow) Channel increments.
Press down (arrow) Channel decrements.
Press set flash stops, Channel is set in memory.
Press set Unbalanced Audio Level flashes.
Press up Audio Level increases at 6 dB per step.
Press down Audio Level decreases at 6 dB per step.
Press set flash stops, Level is set in memory.
Press set Balanced Audio Level flashes.
Press up Audio Level increases at 6 dB per step.
Press down Audio Level decreases at 6 dB per step.
Press set flash stops, Level is set in memory.
Press set Mic (microphone input), 600 (600 Ohm Line) or
70V (70 V Line input) will flash, depending on which
source was last selected. Press set again if the flashing
source item is the desired item or Press up/down button
to select new source. Press set last to save flashing item.
Press set All items stop flashing. Ends “normal use” programming.
Special Function Programming:
E.D.R. : If E.D.R. does not already show on the display and Enhanced Audio
Performance is desired, program as follows:
Press the power switch for 2-3 seconds to remove power, if not already off.
Press and Hold the set button and then Press the power button . E.D.R. should
then be displayed near the MHz Icon. To de-select E.D.R., remove power and
re-apply power while holding the set button in.