User's Manual Part 3

OS System Configuration OS-1933-E3-003
044-05243 Rev A 3-7
Adjust LNA Gain
Adjust Tx Gain
Adjust VSWR Alarm
Activate External Alarm Inputs
Table 3-6 Adjust LNA Gain
Step Action
1 Select the System/Configuration Page. See Figure 3-15.
2 In the appropriate LNA gain section enter the desired LNA gain:
a. format = X.XdB
b. range = 0.0 to 13.0dB, default is 10.0dB
c. step size = 0.5dB
3 Choose SUBMIT to accept and apply the changes. To abort changes choose another page
without applying submit.
Table 3-7 Adjust Tx Gain
Step Action
1 Select the System/Configuration Page. See Figure 3-15.
2 In the appropriate Tx gain section enter the desired Tx gain:
a. format = X.XdB
b. range = 0.0 to 18.0dB, default is 5.0dB
c. step size = 0.1dB
3 Choose SUBMIT to accept and apply the changes. To abort changes choose another page
without applying submit.
Table 3-8 Adjust VSWR Alarm
Step Action
1 Select the System/Configuration Page. See Figure 3-15.
2 Using the pull-down menus in the VSWR Alarm section; choose a value with dependant
on the system integrity. Provide adequate margin to prevent false alarms
a. value = return loss
b. format = 0.0dB
c. range = 0.0 to 12.0dB, default 0.0dB
3 Choose SUBMIT to accept and apply the changes. To abort changes choose another page
without applying submit.
Table 3-9 Activate External Alarm Inputs
Step Action
1 Select the System/Configuration Page. See Figure 3-15.
2 Using the pull-down menus in the External Alarms Configuration section choose one of the
following dependant on external equipment:
a. OFF – default, no alarm reporting (default)
b. NO – short contact to Common for major alarm
c. NC – open contact to Common for major alarm
3 Choose SUBMIT to accept and apply the changes. To abort changes choose another page
without applying submit.