Connecting The Transmitter - Ecreso FM 750W Guide De Mise En Route

English version
3. Description of front panel indicator LEDs
• CPU: blinks to indicate CPU activity
• FAULT: major fault of the unit (3 dB, VSWR or audio fault)
• WARNING: minor fault of the unit (ambient temperature, radiator temperature, fan, current,
voltage, loss of signal).
• VSWR: VSWR of the unit
• RF (3dB): 3 dB of the unit
• INTERLOCK: indicates that internal or external safety links are not activated
• RF: indicates that the unit is on RF=ON. Associated to the RF button
• LOCAL: indicates that the unit is in local mode. Associated to the Local button

4. Connecting the transmitter

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1. Make sure the interlock plug is present on the rear panel, secure it using the provided locks if needed
(see previous page).
2. Connect the transmitter RF output to a 50  load with a wattmeter.
The 50  charge power must be greater than 1000 W for a 750 W transmitter and greater than
1250 W for a 1000 W transmitter.
When you acquired your transmitter, the RF amplifier is deactivated and power is set to 0 W. These
settings can be adjusted using the PC application, the front panel application, serial commands or
with the web interface.
3. Connect the audio or MPX inputs.
4. To use the PC application or the serial commands, connect a PC to the serial port on the front panel
of the ECRESO FM.
If your PC does not have a RS-232 port, use a USB/RS-232 cable.
5. Connect to power using the provided cable; you may unscrew the cable loop and pass the power
cable through it to secure it.
6. Make sure to ground the transmitter properly, use provided ground strap if needed.
7. Press the Local button on the front panel, then the RF button.
To configure the transmitter using the front panel: see section 5-11.
To configure the transmitter using the embedded web site (with Communication Pack only): see
section 12-17.
Please refer to the manual if you wish to use serial commands or the PC application.
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CAN address:
ID01
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