User's Manual

PINEAPPLE TECHNOLOGY, INC. V.4. FRONT PANEL CONTROL AND MONITORING

DXDPRO-10VH MODULATOR MANUAL

THE INFORMATION PROVIDED HEREIN IS PINEAPPLE TECHNOLOGY INCORPORATED PROPRIETARY INFORMATION AND

CANNOT BE COPIED OR DISTRIBUTED WITHOUT PRIOR AUTHORIZATION

V.4 FRONT PANEL CONTROL AND MONITORING

A. OVERVIEW

The front panel of the DXDPRO-10VH modulator has three important functions for transmitter monitoring

and control. Standard on all modulator is an LCD display, display selector switch, ALC and power level

adjustments, and alarm display. These areas are show below:

B. TRANSMITTER PERFORMANCE MONITORING

The LCD display will display most all key analog inputs to the modulator as shown below:

1. Transmitter output power in percent (%). 100% being the license TPO.

2. Antenna reflected power in percent (%). Calibrated to 20% maximum before fault.

3. DC 48 voltage internal or external supply.

4. DC current draw internal and/or external transmitter.

5. Heat sink temperature in degrees Celsius.

6. Internal temperature

7. External temperature

C. ALARM SIGNALS

Key alarms are set according to the addendum attached to this manual and/or listed under the LED on the

front panel.

D. POWER LEVEL ADJUSTMENT AND ALC

The selections are made using the LCD Display selector switch shown above. The display changes each

time the switch is enabled.

The ALC/Power Level control panel has three control switches. The switches shown are:

1. Power UP

2. SET

3. Power DWN

The LED to the right of the switches indicates the ALC operating status.

LCD Display

Alarms

ALC PWR Control