Becker Avionics GmbH AR6203 Manual De Usuario
Operating Instructions
Channel Spacing Mode
22
VHF Transceiver Family 620X
0638.420-071 Issue 03 July 2015
•
If the squelch function is active ("ON") the receivers noise is
muted.
•
If the squelch is "OFF" the arrow sign "►" in front of the active
frequency stay visible all the time and receiver noise will be
audible as long as signal is receiving.
127.000
118.005
SQL
127.000
118.005
SQL
Squelch "ON"
Squelch "OFF"
In the pilots menu, the squelch threshold is adjustable to a convenient
RX Field Strength Indication
The field strength indicator, represented by triangle on the left upper corner
of the corresponding frequency, will appear next to the active or preset
frequency in all frequency selection modes.
The field strength of an incoming signal relates to the measured RSSI level.
The field strength of an incoming signal relates to the measured RSSI level.
The three levels displayed are:
Weak Signal Strength
Good Signal Strength
Excellent Signal
Strength
RSSI passing squelch
levels
(empty triangle)
-88 > RSSI > -80 dBm
(half-filled triangle)
RSSI > -80 dBm
(fully filled triangle)
127.000
118.005
SQL
127.000
118.005
SQL
127.000
118.005
SQL
2.8.
Channel Spacing Mode
The transceiver provides two operation modes of frequency channel
spacing, (8.33 and 25 kHz), selectable by means of pressing "STO" and
"MDE" keys simultaneously for at least 2 seconds.