Harris Constellation, Руководство по установке и обслуживанию

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Harris Corporation Constellation™
Installation and Commissioning 4-31
INSTALLATION AND
CO
MM
ISSIO
N
IN
G
Note that this procedure requires access to the hidden
RF Configuration submenu.
f. Ensure that the Transmitter on line is locked.
From the Keypad main menu, select
CONTROL > LOCK/IF LPBK > LOCK MOD/TX > SET
g. For the high power calibration, access the hidden RF Configuration
submenu from the Keypad main menu.
CONFIGURATION > F1 + F3 or Ctrl B > TX PWR CALIB > ADJUST HIGH
PWR
h. Use the UP/DOWN keys until the value = the power meter reading
+ the coupling loss shown on the monitor port label.
i. Go to HIGH PWR CALIB , and enter the value from step h .
Notes:
•
Use the F2 key for the decimal point.
•
You must enter 3 digits. For example, 30 dBm is entered as 30.0.
j. Exit.
k. Go to ADJUST LOW PWR .
l. Use the UP/DOWN keys until the value = the power meter reading
+ the coupling loss shown on the monitor port label.
Notes:
•
Tx Assy, Model 2: should be approximately 5 dB below high power
•
Tx Assy, Model 3: should be approximately 10 dB below high power
Adjust if necessary.
m. Go to LOW PWR CALIB , and enter the value from step l .
Notes:
•
Use the F2 key for the decimal point.
•
You must enter 3 digits. For example, 30 dBm is entered as 30.0.
n. Exit. It will automatically return to high power.
o. Unlock the on-line Transmitter.
From the Keypad main menu, select
CONTROL > LOCK/IF LPBK > LOCK MOD/TX > CLR