5.2 Display
5.2.1 Status box
This selection of the display gives real-time information on the status of the transmitter.
A Frequency The programmed frequency of operation. When the
transmitter is out of lock, such as at start-up, this will flash
between half and full brightness. When the exciter is locked, it
will show full brightness.
B Power The actual output power of the transmitter. After the exciter
has locked on frequency, the power will ramp up to the set
level. During this time the power display will flash between half
and full brightness. When the programmed power is reached,
the display will show full brightness.
If the RF has been muted either manually or automatically, this section will
show ‘RF MUTE’. If the reverse power is greater than 10% of the forward
power, this section will alternate between ‘FWD’ and ‘REV’ to display both
readings.
C Deviation Shows the current peak FM deviation of the transmitter. If the
deviation falls below 30kHz for 30 seconds, the deviation display will
flash to indicate abnormal modulation.
D Alarms Indicates which of the three alarms are set or triggered. The
presence of the letters A to C indicate when an alarm is
enabled, and when it is triggered.
If greyed out, the alarm is enabled but not triggered; If flashing, the alarm
is triggered.
For example:
Not shown = no alarms set.
ALM A = only alarm A is enabled.
ALM A B C = all alarms are enabled.
ALM A B C = all alarms enabled, A and C triggered.
An indication that an alarm has been triggered will also be shown on
the screensaver.
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