1.Transmit (TX): Antenna/bar Icon appears during transmission each
time PTT button is pressed.
2.RSSI Indicator: Number of illuminated bars indicates receive signal strength.
3.Monitor Indicator: Icon appears when the monitor button is pressed.
4.Continuous Tone Coded Squelch System (CTCSS) Indicator: Icon
appears when receiving a transmission with correct CTCSS tone.
5.Auto Scan Indicator: Icon appears when the auto scan channel mode is
activated.
6.Priority Channel Scan Indicator: Icon appears when the priority channel
scan mode is activated.
7.Voice Activated Transmission (VOX) Indicator: Blinks in the VOX selection
mode or appears when VOX is activated.
8.Key Lock Indicator: Appears when the key lock is activated.
9.Weather Alert Melody Indicator: This icon appears when the National Oceanic
and Atmospheric Administration (NOAA) alert mode is activated.
10.Battery Level Indicator: Icon indicates the battery charge strength.
11.Small Segment Display: Displays the CTCSS tone option in the normal
mode. The CTCSS option is shown in Hz.
12.Large Segment Display: Indicates the channel number in use in normal
mode. When the Function Button is pressed, the FR-1538 menu is displayed
in this position in the following sequence:
(Ch) Channel Select Mode (1-14)
(NOA) Weather Channel Mode (0-9)
(Sc) Automatic Channel Scan Mode
5
MODEL FR-1538 DISPLAY
1 2345678 9
10
1112
13
14