–– Basic Operation
•
Key Presses
: The
TOP
,
PF1
,
PF2
&
PF3
side-keys and several
front panel keypad keys allow short and long presses (see below)
to access primary and secondary functions (such as
✱
-
SCAN
for
the
Reverse
/
Scan
functions — see the
PF / Programmable
Function Keys
&
Keypad Shortcuts
sections to the right).
A quick momentary press or “
Short-Press
” (
SP
) activates the
primary key function. A “
Long-Press
” (
LP
) involves holding down
a key for about 2 seconds to activate the secondary key function.
The
PF2
Monitor
function is momentary and can be held down.
The Key & PTT
LOCK
Function requires about 3 seconds.
•
Function Menu
:
Press the
MENU
key to enter the Function
Menu. Use the
▲▼
or
1
∼
9
keys to select a function. Press
MENU
again to Edit (or activate) the selected function. Use the
▲▼
or
1
∼
9
keys to select a setting or enter a value, then press
MENU
again to commit any changes. Press
EXIT
to exit the
Function Menu. You can press
EXIT
at any time to abort the
current Menu operation without writing any changes and return to
normal operation.
•
Display Modes
: Short-Press
PF3
(or
MENU
then
PF2
if
PF3
has
been user re-programmed) to cycle through all 4 Display Modes:
•
NAME
(default): Displays the stored Alpha-6 Name for the
current memory channel.
•
FREQ-VFO
(Variable Frequency Oscillator): For direct
frequency tuning/input, scanning frequencies, or programming
new channels. Acts like a traditional radio frequency tuner.
•
CHFREQ
: Displays the frequency stored for the current
memory channel, with the channel # to the right (in small text).
•
CH
: Displays the Number for the current memory channel.
TIP
: You can hold down the
▲▼
keys to continuously scroll through
channels, frequencies, or menu options (and reduce keypad wear).
–– Radio Controls & Indicators
•
Mic/Speaker Audio & Programming Jacks
•
On
/
O
ff
/
Volume
Knob
•
RX
Green Signal &
TX
Red Transmit LED Indicator
•
TOP
PF
Key (
SP:
Backlight On |
LP:
Flashlight On/O
ff
)
•
Flashlight
LED “Lamp” (behind
TOP
key)
•
SMA-Male
Antenna Port
(SMA-F Antenna)
–– Keypad Shortcuts
•
MENU
:
Access Radio Functions/Settings
| Press again to
Edit
/
Save
Parameter
| Stopwatch Pause/Resume
(when active)
•
MENU
then
PF2
:
Alt. for Display Modes
•
▲▼
SP/LP:
Next
/
Prev.
Channel/Function/Select/
Scan
Direction
•
EXIT
SP:
Exit Menu or
Scan
Mode.
•
0
∼
9
:
FREQ-VFO
/
Chan Entry
(3 digits)
|
Menu Function
Shortcuts
•
✱
-
SCAN
SP:
Repeater Reverse
|
LP:
Start
Scan
Mode
•
#
-
LOCK
SP:
SECOND
(Stopwatch Start/Exit) |
LP:
LOCK
(On/O
ff
)
Note
: A
SP
on all keys (except
▲▼
) will exit
Scan
Mode on previous
channel. A quick tap on
PTT
will exit
Scan
Mode on current channel.
–– PF / Programmable Function Keys
Default Side-Key assignments:
•
PF1
SP:
TX Power
(High/Low)
•
PF1
LP:
Talk-Around/Direct
(On/O
ff
)
•
PTT
momentary:
TX
(Transmit)
•
PF2
SP:
Scan
(Start/Stop)
•
PF2
LP:
Monitor
(Open Squelch
- mom.
)
•
PF3
SP:
1-Click Display Modes
(NAME/FREQ-VFO/CHFREQ/CH)
•
PF3
LP:
Battery Voltage
(DC Volts)
–– LCD Display Data & Icons
TIP
: You can use free
WOUXUN
Customer Programming Software to
change the “BSR GMRS” power-on display message to your own Call
Sign, Unit # or Group Name! (8 alpha-numeric characters max.)
Top
DCS / CTC
RX DCS
or
CTCSS
Enabled (or TX during transmit)
V
VOX
(Voice Operated Transmit) Enabled
S
Battery Saver Enabled
W
/
N
Wide or Narrow Modulation Bandwidth
–
/
+
Negative or Positive Repeater TX O
ff
set Direction
Keypad or
PTT
Lock
Battery Charge Level (100% shown)
Center
GMR20T
028
Channel Name + Channel # (
NAME
Display Mode)
462.67500
Frequency (
FREQ-VFO
Display Mode, in MHz)
462.67500
028
Fre Channel # (
CHFREQ
Display Mode)
CH–028
Memory Channel # (
CH
Display Mode)
7. 4V
Battery Voltage
Level (in DC Volts)
BCL
Busy Channel / TX Inhibit when
BCL
Enabled
LOCKED
/
UNLOCK
LOCK
Mode or Unlock Prompt
00. 00. 00
SECOND
(Stopwatch) Time (in HH. MM. SS)
[FUNCTION MENU]
Various
MENU
Functions or Settings/Values
Bottom
SCAN
SCAN
Mode Enabled
DT
SP–MUTE
(Speaker Mute) Feature DTMF Enabled
H
/
L
High or Low
TX Power
RX (Signal) S-Meter or
TX Power
(during transmit)
–– Basic Operation
(continued)
•
Receiving (RX)
: Turn the radio on by rotating the
On
/
O
ff
/
Volume
Knob
clockwise. Use the
▲▼
or
1
∼
9
keys to select the desired
channel. Adjust the
Volume Knob
as desired.
•
You can set
RX DCS
codes or
CTCSS
tones (sometimes
referred to as “PL Tones” or “Privacy/Quiet Tones”) with
[
MENU 09_RX–DCS
] or [
MENU 10_RX–CTC
] to mute the
receiver unless a signal contains the desired code/tone.
•
You can set the
SQUELCH
with [
MENU 14_SQL
|
0–9
] to mute
the speaker for background noise or signals below the set
level. A squelch level of 5 is usually a good starting point.
•
Transmitting (TX)
: Choose a channel or frequency using the
▲▼
or
1
∼
9
keys. Long-Press
PF2
to confirm the channel is not in use.
Hold the radio upright a few inches from your mouth with the
display facing you or at a slight angle.
Press & hold the
PTT
key, pause for about one second, then
speak at a normal, consistent volume. Release the
PTT
key to
stop transmitting. The radio will immediately return to receiving.
•
You can set
TX DCS
codes or
CTCSS
tones with [
MENU
11_TX–DCS
] or [
MENU 12_TX–CTC
] to transmit these sub-
audible signals to other stations or to access repeaters.
•
You can transmit a
ROGER BEEP
(tone) at the beginning or
end (or both) of your transmission with [
MENU 15_ROGER
].
The EOT (End Of TX) setting is most commonly used so other
stations know when your transmission is “OVER”.
•
You can set the
BUSY CHANNEL LOCKOUT
with [
MENU
18_BCL
] to inhibit accidentally transmitting when there’s an
active signal detected, when RX DCS or CTCSS is set.
