Retevis RT25 User Manual

BATTERY INFORMATION
1. CHARGING LI-ION BATTERY PACK
The battery is not charged in the factory. Before new, please charge rech­ argeable batteries that are new or not used for a long time. Repeat charge/discharge for twice or three times to make battery capacity achieve the best state. When battery power is low, please charge the battery or charge the battery.
Please use the battery specified for charging; using other batteries may cause explosion, causing bodily injury.
Notes
1. If the battery pack has been fully charge, please do not charge it again, otherwise the service life of the battery pack may shorten or it may be damaged.
2. After reacharging the battery pack, please take it from the battery charge, since charging the battery pack for more than 5 days will cause shorteni­ ng of the service life of the battery pack resulting from over charging.
3. The environmental temperature during charging should be between 0 and 40 degrees centigrade. Charging beyond the range may affect correct charging.
4. During charging, please power off the radio with battery. Using the radio during charging may affect correct charging.
5. During the whole charging process, please try not to plug or pull out the power supply or the battery, to avoid interference to charging process.
6. If the service time is significantly reduced even after completely correct charging, the battery can not used any more. Please replace a new battery.
7. If the battery is fully charged, please do not remove the plug and rechar­ ged it, otherwise the service life of the battery pack may shorten or it may be damaged.
8. When the battery or radio is wet, don’t charge it. Before charging, use dry cloth to wipe it, to avoid danger.
SWITCHING POWER SUPPLY
Turn it on and press the power button [4] for 3 seconds, turn on the radio power and you can hear “tick” twice at the same time. If the afunction of voice number reporting is enabled for the radio, the radio will voice broadcast current corresponding channel.
VOLUME ADJUSTMENT
Press the navigation button VOL [up] [down] to adjust the volume among eight levels.
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SUPPLIED ACCESSORIES
USER’S MANUAL
Use’s Manual
Belt Clips
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CHANNEL SELECTION
Press numeric button 1-16 or navigation buttons CH [left] [right] to select the channel needed.
SETTINGS OF THE MAIN CHANNEL
1. Select a channel from 1 to 16 channels before pressing numeric button [16] for 3 seconds. Settings of the main channel can also be done thro­ ugh compurter programming.
2. If the current channel is not the main channel, and there is no operation within reset time of the main channel, the radio will automatically return the main channel set currently.
3. Main channel reset time can be set by function setting in the writing-frequency software(can be ser to 10 seconds, 20 seconds...600 seconds). Setting of the main channel can be by the setting function.
PTT EMISSION BUTTON
1. Before calling, hold the “PTT button” while talking to the microphone in normal voice. Both side PTT emission button and navigation PTT button can do normal emission.
2. Please keep 5-10 cm between lips and the microphone.
KEYBOARD LOCKOUT
Press numeric button [1] for 2 seconds, lock the keyboard, oprate it again, and unlock the keyboard.
ELECTRICITY PROMPT
Press numeric button [2] for 2 seconds to get the current battery electricity values.
SCANNING
Press numeric button [3] for 2 seconds and get the voice prompt of scan­ning. At the moment, the radio conducts channel scanning from 1 to 16 channels in order. Exit the channel scanning by pressing any buttons.
ON AND OFF
Turn on/of the radio by pressing numeric button [4] for 3 seconds.
MONITORING
Change to monitoring mode by pressing numeric button [5] for 2 seconds.
LIGHT
Press numeric button [6] for 2 seconds, and the light turns on and it turns
off after another operation.
FM RADIO
Press numeric [7] for 2 seconds to the radio mode. Press CH [left] [right] to search radio frequency automatically, quit the radio after another operation.
CALL
By setting the dual tone multiple frequency (DTMF) signal, conduct the work by pressing numeric button [8] for 2 seconds or sending code by PTT button.
EMITTING 1750 RELAY SIGNAL
Press numeric button [9] for 2 seconds. 1750 signal can be sent, which is mainly used to open an emission signal in a European relay station. The function is unavailable for domestic relay station.
VOICE CONTROL FUNCTION
Press 2 numeric button [10] for 2 seconds to enable the voice control function of the current channel, and function disables after another operation.
HIGH/LOW POWER
Press numeric button [11] for 2 seconds to switch high/low power of the current channel.
WARNING
Press numeric button [12] for 2 seconds to enable warning function. The radio in the same channel can receive the warning signal. Press PTT button to quit warning function.
SETTING OF THE MAIN CHANNEL
Press numeric button [16] for 2 seconds to set the main channel. Adjust the channel to the one needed, and press numeric button [16] for 2 seconds, then the main channel setting complete.
COMPUTER PROGRAMMING
Read the frequency within the radio with the computer, and the following functions can be set by function settings:
1 . Voice Notification on/off 2 . Squelch
Adjust squelch to make it under better state without squelch disturbance.
3 . Power Saving Function
Enable the function, change to power saving mode after being under standby state without signal receiving or emission for 10 seconds.
4 . Time-out time
Prevent any call with too long hold-up time. If it continuously emits longer than programming time set, the radio may stop emitting and send out a warning.
5 . Voice Control Gain Inversion Level
The function is to adjust voice control sensitivity.
6 . Scanning Mode Carrier Wave/Time 7 . Setting of the Main Channel 8 . Reset Time of the Main Channel 9 . Beep
After enabling the function, press the numeric button, and it beeps and responding voice. Disable the function, there is no beep if press the numeric button.
10. Warning Tone for Emission End
After enabling the function, there is a beep after emission and the voice will be sent to the other party.
11. High/Low Power
12. Selection of Broadband/Narrow Band
Selection broadband for frequency space >25KHz and narrow band for frequency space <25KHz.
13. Busy Channel Lockout
Enabling the function can prevent interference by other radios using the same channel. If you press the [PTT] button during key channel occupa­ ncy, the radio may send out warning and cannot emit signals, and it retu­ rns to the receiving mode.
14. Scrambling/Companding
Scrambling/companding mode is available.
15. QT/DQT
1. Both 39 standard sets of continuous tone controlled squelch system modules and 83 sets of continuous digital controlled squelch systems (can be set by computer programming software KD-C21) are available.
2. Select random non-standard continuous tone controlled squelch systems for frequency between 60Hz and 260Hz.
3. Select random non-standard continuous digital controlled squelch systems for frequency between 000N and 777N, 000I and 777I.
16. PTT button code sending (PTT-ID) and dual tone multiple frequency (DTMF) signal. The function can set the interphone to emit by pressing PTT button or send dual tone multiple frequency voice after loosening. Set parameters in the writing-frequency software, with specific operationg as follows:
1. Connect the computer with a writing-frequency line to read the
radio information. Click “edit” and “DTMF” in the toolvar, and set the encoding in PTT-ID and DTMF codes.
2. After setting up, select “more” in the channel to set dual tone mult­ iple frequency for channel editing. Select DTMF optional signallings in the PTT-ID options to select DTMF.
17. Stun and Kill
The function is usually used for leasing or losing. If leasing customers do not return it overdue or it is lost, make it stun or kill to make it una­ vailable. It can be set by writing-frequency software, and scrambling or companding can not be selected for the channel set the function.
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