EXC-GT – FM super-compact transmitter series
User’s manual – Page 42 of 98
LOW RF POW
Two parameters can be set from this screen:
PreAl. Low Power
– if the output power falls below the percentage set here (in reference to the nominal value set using the command
outlined in section 10.3.b), a warning pre-alarm is issued by flashing the
ALARM
LED. The pre-alarm is not saved in the event history.
Alarm Low Power
– if the output power falls below the percentage set here (in reference to the nominal value set using the command
outlined in section 10.3.b), an alarm is issued via a steadily lit
ALARM
LED. Obviously, this alarm is saved in the event history.
To set the low power pre-alarm and alarm:
1)
Ensure that the
EDIT
option is selected; otherwise, turn the knob to select it, then press to confirm. A value will be indicated
after
PreAl.Low Power
.
2)
Turn the knob to change the percentage to meet your requirements, then press to confirm. A value will be indicated after
Alarm Low Power
.
3)
Turn the knob to change the percentage to meet your requirements, then press to confirm.
4)
Using the knob, select
OK
to save the settings,
EDIT
to make further changes, or
ABORT
to exit without saving the new
settings, then press to confirm (for further details regarding these commands, see
2
9.4.a).
HIGH VSWR
From this screen, a value can be set for reflected power, beyond which a high SWR alarm will be issued.
In the above example, the
Refl. Power alarm
is issued when a reflected power of 2.8 W is exceeded.
To set the high reflected power alarm:
1)
Ensure that the
EDIT
option is selected; otherwise, turn the knob to select it, then press to confirm. A value will be indicated
after
Refl. Power alarm
.
2)
Turn the knob to change the reflected power level according to your requirements, then press to confirm.
3)
Using the knob, select
OK
to save the settings,
EDIT
to make further changes, or
ABORT
to exit without saving the new
settings, then press to confirm (for further details regarding these commands, see
2
9.4.a).
UNLOCK
From this screen, a time can be set, beyond which an alarm will be issued if the transmitter’s internal synthesizer continues to be
unlocked.
