Operation Manual

3-8 Operations
 $
SQL indicator (in bar graph)
Represents the current squelch level. A deeper squelch displays a
larger number of segments in the bar graph.
 %
Three-digit, Seven-segment indicators
Display the channel number or state of the radio.
 &
Nine-digit Dot-matrix display
Displays alphanumeric messages, modes, and functional status of
the radio.
3.3 Radio Functions
3.3.1 RAY230 US Version
1) Selecting the Frequency Mode
Channel selection is available from among three frequency groups:
US, International, or Canadian.
2) Receiving the Weather Channels
The RAY230 is programmed to receive 10 NOAA weather channels
and will sound an alarm if a Weather Alert is received.
4) Selecting the Priority Channel
Select Channel 16 or Channel 9 as the Priority Channel.
5) Dimmer Operation
Select from four LCD backlight levels, including OFF.
6) Monitor Operation
Select from Dual-Watch or Tri-Watch mode.
7) Scan Operation
Select from All Scan or Memory Scan.
8) Selecting Transmission Power Output
Select either 1W or 25W for the transmission power.
9) Digital Selective Calling (DSC) Operation
Conforms to all class D functionality of a VHF DSC radio in accordance
with ITU 493. These functions include Individual Ships Call, All Ships
Call, Distress Call, Group Call, and DSC logging capability.
10) NMEA Receiving Operation
Positional information from external equipment is obtained using the
NMEA 0183 interface. Receivable commands are limited to the position
commands of GGA, GLL, RMC, and RMA and to the status commands
of RMC, APB, GLL, and APA.
RAY230_sect3_1.p65 7/13/2001, 1:42 PM8