User Manual

PINEAPPLE TECHNOLOGY, INC. IV– TRANSMITTER TURN-ON PROCEDURE
DTXPRO-1.2KU OPERATING AND SERVICE MANUAL
THE INFORMATION PROVIDED HEREIN IS PINEAPPLE TECHNOLOGY INCORPORATED PROPRIETARY INFORMATION
AND CANNOT BE COPIED OR DISTRIBUTED WITHOUT PRIOR AUTHORIZATION
IV - 2
IV --- TRANSMITTER TURN-ON PROCEDURE
Before applying AC Power to the transmitter for initial turn-on and check out, the installation
should be approved by a qualified broadcast engineer. The turn-on procedure that follows is
recommended by Pineapple Technology, Inc., engineering staff:
1. Check transmitter load or antenna for proper installation and connection to the
transmitter.
2. Open the transmitter and inspect all cables and wires for loose connections or broken
wires in the rack assembly.
3. Check for damage to the equipment mounted in the rack.
4. Check all AC breakers and on/off switched to ensure that they are all in the OFF
position.
5. Turn-on the Main AC breaker located in the house service sub-panel.
6. Turn-on the Main AC Breaker on the front of the transmitter cabinet located on the front
of the ACDIS3 Power Distribution sub-assembly. A green light should come on
indicating power is on.
7. Turn-on the AC Switch located on the front of the ADP500. The indicating lights should
be on and ready for operation.
8. Turn-on the RACK TOP FAN and AMP FANS breaker located on the ACDIS2 front
panel. The PA fans and rack exhaust fans should come on.
9. Turn-on the AC power supply breakers located on the front panel of the ACDIS2.
Check the power supply modules, one (1) each, to see if the green light is lit indicating
normal operation.
10. Using the ADP500, check the idling currents on each PA to ensure that the currents are
in the correct range. Typical range is 0.5 to 2.5 amps. See ADP500 Operating Section
for details.
NOTICE: The modulator has been set at the factory for optimum output power
and should not need adjustment. The DXDPRO-10U output power reading, upon
initial turn-on, will show approximately 10% to 20%. The following steps are used
to bring the transmitter up to full output power.
11. Turn-on the power switch for the DXDPRO-10U exciter. Note: The exciter will take
several minutes to ramp up. Do not make any adjustments during this ramp up
period.
12. The power control and ALC functions are located on the front panel of the DXDPRO-
10U. Select the power display feature located to the right of the power control switches
by toggling the switch next to the LCD display. Power reading is in percent of license
requirements as specified on purchase order. FULL POWER IS SHOWN AS 100%
and is a factory setting.