Nautel GV10, Installation Manual

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GV10/GV7.5 INSTALLATION MANUAL COMMISSIONING
VERSION 3.0 2014-11-01 PAGE 2.9.1
SECTION 2.9: COMMISSIONING
The transmitter contains solid-state devices that may be damaged if subjected to excessive heat or
high-voltage transients. Ensure that circuits are not overdriven or disconnected from their loads while
turned on.
The transmitter was precisely calibrated and tested during manufacturing. Do not change any
adjustments other than those specified.
Pre-Commissioning Tasks
1. Terminate the transmitter's RF output into a precision, 50

, resistive dummy load that is
adequately rated for the maximum expected total power output.
2. Verify that all panels are installed, and that their attaching hardware is firmly tightened.
3. Verify all program inputs are connected to the back of exciter A and optional exciter B.
WARNING! Before applying ac power and turning on the transmitter, you
must customize some circuits to the station's power source and operating
requirements. Do not perform this pre-commissioning unless you are a
station engineer or a competent electronics technician.
WARNING! If a jumper is placed between the INTLK inputs [TB1-1 and 2 on
the remote interface PWB (A16) or pins 19 and 20 of the controller’s (A4)
REMOTE I/O-A connector (A2J5A)], safety features controlled by the
external interlocks will be disabled. A fail-safe method of alerting
personnel to this fact should be implemented. Voltages which are
dangerous to life will be present on the RF output stages and the antenna
system if the transmitter is turned on.