Retevis RB25, Руководство пользователя

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Transmit
To make a call, hold down the [PTT] key and speak into the microphone in a
normal tone. Please keep the microphone 3-4cm away from your lips.
Receive
Release the [PTT] key to receive, please adjust the appropriate volume to get
the best listening effect.
Function introduction
LED indicator
The LED indicator shows the working status of the walkie-talkie.
The pair of walkie-talkie is emitting a signal when the light is red.
With a green light, the two-way radio is turning on or receiving unencrypted calls or data, or is detecting air activity.
Talk (PTT) button
Each channel in the walkie-talkie can be configured as a digital channel.
1. When a call is in progress, the PTT button allows the walkie-talkie to transmit signals to other walkie-talkie in the
call. Press and hold the PTT button to make a call. Release the PTT button to answer. When the PTT button is
pressed, the microphone is activated.
Receive and reply
To receive calls from users
1. The LED indicator lights up green.
2. Hold the walkie-talkie in a vertical position and keep a distance of 1 to 2 inches (2.5 to 5.0 cm) from your mouth.
3. Press the PTT button to answer the call. The LED indicator lights up red.
4. Release the PTT button to answer.
Initiate a group call
To initiate a call to a user group, the walkie-talkie must be configured to belong to the talk group.
The L side key switches channels, and the active talk group ID is used to select the channel.
2. Hold the walkie-talkie in a vertical position and keep a distance of 1 to 2 inches (2.5 to 5.0 cm) from your mouth.
3. Press the PTT button to initiate a call, the LED indicator lights up in red.
4. Release the PTT button to answer. When the target radio responds, the LED indicator lights up green.
Initiate a single call
1. Side key to switch channels, use the active user ID to select the channel.
2. Hold the walkie-talkie in a vertical position and keep a distance of 1 to 2 inches (2.5 to 5.0 cm) from your mouth.
3. Press the PTT button to initiate a call, the LED indicator lights up in red.
4. Release the PTT button to answer. When the target radio responds, the LED indicator lights up green.
Initiate an all call
This function allows you to transmit signals to all users on the channel. The radio must be programmed to allow you
to use this feature.
1. The side key switches the channel, and the active all-call group ID is used to select the channel.
2.Hold the walkie-talkie in a vertical position and keep it 1 to 2 inches (2.5 to 5.0 cm) from your mouth
3. Press the PTT button to initiate a call, the LED indicator lights up red
Encryption function
Encryption setting (this function is only valid in digital mode)
Set by programming software, enable/disable encryption function by programming
.
Set up
Set the squelch level
You can adjust the squelch level of the walkie-talkie to filter useless calls with low signal strength or channels with
higher background noise than normal.
Setting: 1-10 level, the larger the setting level, the deeper the squelch, and the deep squelch filter (useless) call or
background noise. However, calls from remote locations may also be filtered out.
Set power level
You can set the radio power level of each channel to high or low.
Setting: high power to achieve communication with walkie-talkie that are relatively far away. The low power realizes
the communication with the nearby walkie-talkie.
Press the preprogramme "High/Low Power Selection" button.
Troubleshooting Guide
Questions
No power
Answers
The battery power will not last long after
being charged.
Cannot talk to other members of the
group
Other (non-member) sounds appear
in the channel.
Please change the settings of all walkie-talkie in the unit
CTCSS/DCS settings
• The battery may be exhausted. Please update the battery
or recharge it.
• The battery may not be installed correctly. Please remove
the battery and install it again.
• The battery life has expired. Please update the battery.
• Confirm that the frequency and CTCSS/DCS settings you
are using are the same as the other members of the group.
• It may be too far away. Confirm whether you are within the
effective range of other walkie-talkie.
05 06
CH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Freq.(МHz)
410.3250
415.3250
400.0250
440.4250
469.9750
400.1250
469.1250
400.0250
440.4250
469.9750
425.3250
435.2250
440.5250
445.6250
450.0525
455.6250
Power
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
CTCSS/DCS
/
/
/
/
/
67.0
D023N
/
/
/
/
/
/
/
/
/
CTCSS/DCS
/
/
/
/
/
67.0
D023N
/
/
/
/
/
/
/
/
/
CH
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Freq.(МHz)
410.3250
415.3250
400.0250
440.4250
469.9750
400.1250
469.1250
400.0250
440.4250
469.9750
425.3250
435.2250
440.5250
445.6250
450.0525
455.6250
Power
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
Standard
Digital
Digital
Digital
Simulation
Simulation
Simulation
Simulation
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Standard
Digital
Digital
Digital
Simulation
Simulation
Simulation
Simulation
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital