4/18/11
888-2587-001
3-5
WARNING: Disconnect primary power prior to servicing.
Section 3 Operation
FM HD Radio System
3.5
Normal Operation
It is important that the operator be aware of normal transmitter operation and
performance, and note any changes or fault indications. Changes in operation may
indicate a need for maintenance or corrective action before more serious problems
develop. This section will give a
general overview of typical daily operation
.
NOTE:
Refer to the specific technical manual of the System device to be operated, for
detailed information.
3.5.1
Daily Pre-Operational Checkout
Before normal daily turn-on, review the following areas of the transmitter;
a. Check the transmitter maintenance log to make sure that maintenance performed
on the transmitter, or any abnormal conditions, do not restrict the operation of the
transmitter.
b. Ensure the transmitter RF output is connected to the proper load or antenna.
c. Check the User Interface panel on the front of the transmitter for any abnormal
indications.
NOTE:
A reading is considered normal if it is within ±5% of its stated value.
When the preoperational checkout has been performed and no problems are present, the
transmitter is ready to turn on.
3.5.2
Transmitter Turn-On
STEP 1
If necessary, turn on AC mains supply to the transmitter
STEP 2
If necessary, turn on ZHD+ rear upper sidewall circuit breaker
STEP 3
If necessary, turn on any Circuit Breakers, On/Off or Power switches on
any remaining system device required for normal broadcast transmission
STEP 4
Press HIGH Power button on (each) transmitter
STEP 5
Allow 5 seconds for HDx-FM exciter to normal state for FM operation.
Allow 30 seconds for HDx-FM exciter to normal state for any HD
operation.
