Platinum Z5 CD, Manual

Page: 141 / 194

888-2408-002 5-15
WARNING: Disconnect primary power prior to servicing.
Maintenance and Alignment
STEP 6
Press the HIGH ON button and then quickly press and hold the
LOWER button for 10 seconds. This will turn the transmitter on at
zero power output.
STEP 7
Raise the transmitter power very slowly until the Forward Power
meter reading is 150 watts (or 00.15 kW). If Forward Power is not
yet calibrated, then an external meter will have to be used.
STEP 8
Press [HOME, MORE, CONFIGURATION C,B]. You should now
be at the screen shown in Figure 5-8, A/D RFL PWR. Re-adjust
R128 until the A/D RFL PWR reading is 700. Go slowly, the
adjustment is sensitive.
Figure 5-8 A/D RFL PWR Screen
[HOME, MORE, CONFIGURATION C,B]
STEP 9
Set the Transmitter LCD meter (the right-hand display) to read RFL
PWR in kW. If it reads VSWR press and hold the button for about 5
seconds and it will change to kW.
STEP 10
Press [HOME, MORE, CONFIGURATION C,D]. The will take you
to the Reflected Power Cal screen and should look like Figure 5-9.
Set this screen to 00.15kW. Press and hold [D] and then press
[BACK] to calibrate the reflected power meter to 150 watts and
save the information. The display will flash “Calibration Done”
very quickly at the bottom of the Diagnostics Display.
Figure 5-9
Reflected Power Calibration Screen
[HOME, MORE, CONFIGURATION C,D]