Lcd Display - Raymarine Ray230 Owner's Handbook Manual

3-6
Channel UP/ DOWN switch
Pressing this switch during normal operation changes the channel
number UP or DOWN.
PTT (Press-to-Talk) switch
Pressing this switch during normal operation places the radio in
Transmit mode and displays the TX indicator in the LCD. When the
switch is pressed in various function modes, the assigned operation
is initiated.
Note: After 5 minutes of continuously holding the PTT switch, the
radio will automatically stop transmitting. To begin transmitting
again, release the PTT and depress again.
DISTRESS switch
This switch is located under the small door labeled DISTRESS on the
back of the handset. Pressing and holding this switch for 4 seconds
selects Distress Signal Call mode. Subsequent operations are
described in section 3.5.26.7.

3.2.2 LCD Display

The following describes the functional characters on the RAY230/RAY230E
Handset's LCD.
NMEA indicator
Displayed when the radio receives valid SeaTalk or NMEA position
data. If the data is invalid or no data is received for a period of time,
the indicator disappears.
Figure 3-2 LCD Display Layout
Operations