Harris Platinum Z16HD+ - Page 170

5-16 888-2586-001 9/15/06
WARNING: Disconnect primary power prior to servicing.
Platinum Z16HD+Section 5 Maintenance and Alignment
Figure 5-3 Forward Factor Calibration Screen
[HOME, MORE, CONFIGURATION, C, A, B]
STEP 5 Press [HOME, MORE, CONFIGURATION, C, A, A, D]. This should
take you to the screen in Figure 5-4. Set the CAL_APC_FACTOR to
15.15. To access the edit controls press and hold [D] and press [C]. Press
[BACK] to update.
Figure 5-4 APC Calibration Factor Screen
[HOME, MORE, CONFIGURATION, C, A, A, D]
STEP 6 Set R127 (ten turn pot) on the Life Support Board maximum CW.
STEP 7 Press and hold the HIGH power button, then press the lower button for
30 seconds - this will lower the power to zero and also set the APC REF
APC value to zero.
STEP 8 Make sure the RF Source is properly connected, powered on, and
unmuted:
STEP 9 Press [HOME, MORE, CONFIGURATION, C, B]. This will take you to
the screen shown in Figure 5-5. Using the Raise and Lower buttons, set
the DAC_APC_REF to correct value as listed in your Factory Test
Data.
Or use the following formula, based on your desired TPO, to
determine DAC_APC_REF:
Z16HD+
Z16HD+