7
Serial Comm
Buzzer
FAN Alarm
INT Alarm
LOG Mode
Working Timer
Backlight
Frequency
Thresholds info
Release info
Note 1: to control the apparatus from remote, consider that pins n. 1 and n. 14 of the telemetering connector on the rear panel
of Amplifier Control module are used to receive the ON (pin n. 1) and OFF (pin n. 14) commands, both impulsive and
stationary. The digital level on these contacts is usually high, becoming low when the remote control is active. When a remote
command to turn off the amplifiers is received while the transmitters is ON, the LED ON of the frontal panel blinks.
Selects the remote control via serial port.
RS232 MODE:
the RS232 mode allows a direct access to the equipment
via PC and a remote access via modem or switched telephone line.
RS485 MODE:
the RS485 mode allows a remote access to the equipment
via modem over switched telephone line or GSM network. It allows the
connection to the Remote Control System, designed to monitor several
apparatuses located at the same site.
Enables / disables the buzzer during normal operation.
Select “OFF” to have the amplifiers turned off further to a FAN alarm; if
“ON” is selected, they will stay on.
Select “OFF” to have the amplifiers turned off further to a INTERLOCK
alarm; if “ON” is selected, they will stay on.
Select “only alarms” to store in the EEPROM and display in the module LOG
only detected alarms; select “all events” to store and display also any event
detected by any amplifier and sent via RS485 to the control module.
Updates the counter of the working time of the transmitter. Once this menu
has been enabled, the counter reset option appears in the window.
If “Switch Off” is selected and no key is pressed for 8 minutes, the back light
of the display is turned off; select “always ON” to have it always on.
This menu only exists in the firmware for Amplifier Control of FM transmitters.
The working frequency can be selected within a range from 88 to 108MHz,
this allows to optimise the display of the Forward power sent to the antenna.
Shows for some seconds the alarms thresholds of the powers sent to the
antenna.
Shows for some seconds information concerning the transmitter and the
firmware version.
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