Radtel RT-490 User Manual Page 13 of 29
In Multi Display Mode the ‘B’ band (Lower line)
displays the Option selected here: FREQ for
Frequency, CH for Channel Number and NAME
for Channel Name.
Dual watch (monitor A and B at same time).
Dual standby mode, transmits to Channel or
Frequency from Active/Main band
Select which Band will be transmitted when PTT
is pressed while TDR (Dual Watch mode) is ON.
- Select “A” to Press PTT and Talk on “A” Band
- Select “B” to Press PTT and Talk on “B” Band
If ON then after releasing the PTT, radio sends
turn-off code to suppress instant noise of
receiver. If OFF no turn-off code is sent.
Alarm sounds for On-site Emergency
Turns GPS function either OFF or ON
BLUETOOTH function OFF or ON. When
activated ON, Android Smartphone can
Bluetooth SCAN to PAIR to “walkie-talkie”.
This is required for using Android programing
APP “Super Walkie-Talkie” to remotely
program the RT-490.
Turns DISPLAY TIME function either OFF or
ON
VFO: Clears the memory channels out
ALL: Resets the radio, memory and all
settings back to factory defaults.