User's Manual Part 2

Component layout PN502

DISPLAY BOARD pn502

DESCRIPTION

The display board, PN502, is used to display the main operating parameters of the amplifier module.

The two keys on the right of the LCD display are used to scroll the list of parameters which can be

displayed. These parameters are:

1. Temperature (TEMP)

2. Direct Power (FWD PWR)

3. Reflected Power (REF PWR)

4. Max 6 Power supply voltages (V1...V6)

5. Max 6 Power supply currents (I1...I6)

6. Max 4 Unbalancing powers (UNB1...UNB4)

Depending on the apparatus in which the board is, the parameters 4, 5 and 6 may be less than the ones

listed. The first line of the display shows the type of amplifier or the number of the amplifier module,

referring to the whole apparatus, if this is composed by more than one amplifier. It also shows alarm

conditions, if any, inside the amplifier module. If the amplifier module is turned off by a protection

device, the first line displays “AMPLIFIER OFF”.