GatesAir Inc. CZF User Manual
APEX
™
Exciter Incorporating FLO
™
Technology
Navigating the LCD Display Screens
Details of the Exciter Status Screens
Page: 3-28
888-2604-001
03/08/07
WARNING: Disconnect primary power prior to servicing.
• Exc Active: (Off or On) When on, this exciter is on the air.
• RF Present: (Off or On) This is an indication that the RF level at the output of the ex-
citer is above a given threshold level. The RF presence threshold is an RF output level
of approximately 5 mW.
of approximately 5 mW.
• Board Type: (UHF or VHF) Interface configured to fit existing UHF and VHF exciter
interface connections.
• Board Rev: This is the board revision for the External I/O board.
• CPLD Rev: This is the software revision level of the CPLD in the External I/O board.
• EEPROM: (Ok or FAULT) The EEPROM is the local board memory. It stores board
specific information such as board type, board revision, CPLD revision, and other lo-
cal data.
cal data.
Note
Within any of these screens, touching Home returns to the main
screen, and touching Fault brings up the Exciter Status screen.
screen, and touching Fault brings up the Exciter Status screen.
3.4.6.2.1 External I/O Diagnostics
ExternalIODiagnostics.bmp
Figure 3-26 External I/O Diagnostics
The External I/O Diagnostics screen is shown in Figure 3-26.
Analog loopback: Choices are Enabled or Disabled. Disabled is the normal setting.
• This function loops an analog output back through an analog input channel for diag-
nostics purposes.
The last two screen entries are Analog Output A and Analog Output B. These two entries
provide a voltage for the analog loopback test mentioned above.
provide a voltage for the analog loopback test mentioned above.
• Analog Output A is looped back through analog Analog 1 and 3 inputs and Analog
Output B is looped back through Analog 2 and 4 inputs, see external I/O Board screen
Figure 3-25 for the analog inputs.
Figure 3-25 for the analog inputs.