CommScope ATC200-LITE-USB - Manual (Page 136)

Section 22–Changing the Gain on a Variable-Gain TMA ATC200-LITE-USB Teletilt ® RET System
22-2 October 2014 Bulletin 639536 • Revision L
4. The TMA Device …Operation screen will appear (Figure 22-2).
Note. TMA data (TMA Rx Band, TMA Tx Band, Min Gain, Max Gain, Gain Resolution and
Current Gain) from the device are displayed on this screen: This information may be used as
a reference to help to set the new Gain.
This screen will display the configurable parameter New Gain and Set Gain as disabled for
a Fixed Gain TMA and enabled for Variable Gain TMA.
5. If the selected TMA is a Fixed Gain, the TMA Device dialog displays all the values only for
viewing (Figure 22-2). Click to close the dialog box to return back the Device Information list.
Note the following in Figure 22-2:
• The ID of the device to be configured is displayed in the title bar of the dialog box.
• TMA Rx and Tx Band values displayed are High and Low frequency values.
• Minimum, Maximum and Current Gain values are same. If the TMA unit is in bypassed
mode, the current Gain would display zero value.
• New Gain field and the button Set Gain are disabled, signifying that the Set Gain is not al
lowed.
Figure 22-2. Set Gain for Fixed Gain TMA
Disabled for Fixed Gain TMA unit.
Minimum and Maximum Gain values are
same for the Fixed Gain TMA .
6. Click on Close to close the dialog box to return back the Device Information list.