User's Manual

2-14 888-2687-001 10/19/07
WARNING: Disconnect primary power prior to servicing.
Section 2 Installation / Initial Turn-On
Ranger ™ Mobile Series
2.10.1 RF Initial Turn ON
Shut the transmitter OFF. The transmitter should be initially powered into a test load.
Set the Exciter power to zero. This can be done via the raise/lower button on the front
of the CD-1A exciter or the Lower button on the transmitter control panel.
Switch ON the ac breaker on the front of the PA power supply. Monitor the Power
Supply screen shown in Figure 2-3 on page 2-11.
Press the transmitter ON button. Make sure the PA PS reading is close to 32Vdc.
Next, go to the Power Amp screen shown in Figure 2-7.
Figure 2-7 Power Amp Main Menu
Raise the transmitter power (or exciter power) slowly until about 50% nominal and
check the transmitter reflected and PA module reflected powers. The transmitter should
be operating normally with no faults indicated. Any faults should be corrected before
continuing. The power output bargraph on the top of the GUI screens will be yellow
until the power is 80% or more. Verify that the reflected power is under 10 watts.
Check the power on the HOME screen (shown in Figure 2-2) to check for excessive
reflected power after the mask filter.
All PAs should show a green (OK) status on the GUI (Power Amp screen).
Monitor the PA Meters screen shown in Figure 2-8. This screen can be accessed by
pressing the PA Meters button on the Power Amp screen in Figure 2-7.
Reflected Power
should be less
than 10 watts