User's Manual

54
Installation
0544
10 Technical specifications
10.1 General information
Channel Tables 4 pre-programmed channel tables covering the following
regions:
• International waters - according to radio regulations
• US waters – according to radio regulations
• Inland waters (with ATIS) – according to radio
regulations
• Canadian waters – covering most areas
Private Channels Up to 30 private channels in 3 separate banks (per
channel) mode designated F,P or L. Each bank contains 10
private channels. Weather channels are pre-configured for
US and Canadian regions, occupying a number of private
channels.
Channel spacing 25 kHz / optional 12.5 kHz
Contact List User programmable with up to 200 entries for easy DSC
radiotelephony initiation.
Scanning Priority scanning. All channels or scanning up to 3 user
programmable scan tables in each channel mode.
Voice replay Voice replay facility of up to 90 seconds of received voice
data.
Automatic squelch Automatic squelch adjustment with memory function.
Readout Dimming facility for better sight at night.
10.2 General DSC facilities
DSC operation According to Rec. ITU-R M.541-9
and Rec. ITU-R M.689-2
DSC protocol According to Rec. ITU-R M.493-11 Class A
Navigator interface According to IEC 61162-1
GLL, RMC, ZDA, GGA, VTG, GNS
Symbol error rate
Below 1*10
-2
-121 dBm or 0,20 ìV p.d.
Modulation 1700 Hz ± 400 Hz
1200 baud
Frequency error below ± 1 Hz
Residual modulation below –26 dB
10.3 Specific data for transceiver unit RT5022
Frequency range Rx / Tx:149.300 - 163.750 MHz
Operation modes Simplex / Semiduplex
Modulation G3EJN for Telephony
G2B for DSC.
Frequency stability below ± 3 ppm
Aerial connectors Standard 50 ohm female SO239
Temperature range -15 ºC to +55 ºC
Supply voltage 12V to 24V DC nominal