User's Manual

Jotron AS| TR7750C: Operators Manual  Operating Instructions
Page 5-26
P/N: 84748 (G)
5.9.4 Bite system group
Menu path:
Interface
config ►
Parameter
Range
Default
Details
RX alarm
Depends on the
alarm status of the
radio unit
This menu item displays all active alarms in
the unit.
See Receiver error conditions for more
information
Measurements
RSSI
-10 - +110 dBuV
Displays the received signal level (RSSI) in
dbuV
Measurements
Line level
-40 - +10 dBm
Displays the level measured on the output of
the 600 ohm line interface
Measurements
AGC volt
0 – 5 V
Displays the internal AGC voltage
Measurements
Codec/Eth LD
Lock / Unlock
Displays the status of the VCO used for the
Codec and Ethernet chips.
Measurements
Temperature
Max 85°C
Displays the internal temperature measured
on the main board [°C]
Measurements
DC current
0.1 – 0.3 A
Displays the total current consumption [28V]
of the receiver [A]
Measurements
IF current
20 – 60 mA
Displays the current consumption in the IF
(Intermediate Frequency) circuit [mA]
Measurements
LNA current
20 – 60 mA
Displays the current consumption in the LNA
(Low noise amplifier) [mA]
Measurements
LO level
Min. 15 dBm
Displays the level measured at the output of
the local oscillator in dBm
Measurements
LO lock
Lock / Unlock
Displays the status of the local oscillator in
the receiver.
Measurements
12 Volt
11.0 – 12.8V
Displays the regulated 12V supply from the
power supply board
The 12V is used on the main board
Measurements
6 Volt
5.0 – 7.0V
Displays the regulated 6V on the
demodulator board
Measurements
5 Volt
4.5 – 5.5V
Displays the regulated 5V supply from the
power supply board.
The 5V is used on several modules
Measurements
3.3 Volt
2.9 – 3.6V
Displays the regulated 3.3V supply from the
power supply board.
The 3.3V is used on several modules
Measurements
AC
Present/Not
Present / Not present. Signals that AC is
present or not present at the input of the unit.
Measurements
VDL2-CO
0 – 100 %
Displays the channel occupancy (CO) when
in VDL 2 mode. The value is calculated
every second, or by the interval set in VDL2-
CO Trap interval.
Table 5.9-4, Bite system group, receiver