Raymarine Ray54 - Manual (Page 25)

Chapter 3: Getting Started 15
1. (HI/LO) TX Power
Indicates whether transmit power is set for 25 watts (HI) or 1 watt (LO).
2. (TX) Transmitting
Indicates the PTT is being pressed and the radio is transmitting.
3. (RX) Receiving
Indicates that the radio is receiving a radio signal.
4. (LOCAL) Local/Distant Mode
Indicates the radio is in Local Reception mode, which decreases receiver
sensitivity in high traffic areas to decrease unwanted reception.
5. DSC Message
Indicates the radio has received a DSC Call. Details of the call can be viewed
in the DSC log. See Section 5.8.
6. ATIS Active
Indicates ATIS transmission is enabled. Only available in European
countries using International channel set.
7. NO GPS
When GPS appears, positional data is available. When NO GPS appears, the
radio is not receiving positional data.
8. Battery Low
Indicates vessel battery voltage is below 10.5 VDC, which is the lowest
voltage at which the radio can be reliably operated.
9. (USER) Favorite Channel Mode
Indicates the radio is in User Mode. User Mode displays only the channels
that you have saved to memory, enabling you to easily scan your favorite
channels while bypassing unwanted or seldom-used channels.
10. (SAVED) Memory Mode
Indicates the current channel has been saved in memory. Appears during
Saved Scan mode. Only saved channels are scanned during USER mode.