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Manual Motorola Two TLKR T3
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printed version
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Summary
Below you will find applications that are on the next pages of the manual for Motorola Two TLKR T3. If you want to quickly view the contents of the pages that are on the next pages of the instructions, you can use them.
ATTENTION!
Before using this product, read the Radio Frequency Exposure and Safety Information booklet that came with your radio for safety instructions and RF exposure information, as well as information about compliance with applicable standards and regulations.
Package Contents
2 radio modules TLKR T60/T61
2 belt buckles
1 charging station
1 network adapter
2 battery support brackets
2 sets of rechargeable nickel-metal hydride batteries
Operating Instructions TLKR T60/T61
Frequency table
Channel Frequency (MHz) 1 446.00625 2 446.01875 3 446.03125 4 446.04375 5 446.05625 6 446.06875 7 446.08125 8 446.09375Functions and Specifications
8
121 subcodes (38 codes and 83 codes)
Range up to 8 km*
internal circuit
5 selectable ringtones
Backlit LCD
connector for additional headset
End of transmission signal
Timer
room monitor
Charger
Battery level
Channel Monitor
Dual channel search
Keyboard lock
Auto power off
Power supply: NiMH battery pack / 4 x AAA alkaline batteries
Battery life: 16 hours (under typical usage conditions)
*Range may vary depending on surrounding and/or topographical conditions
Controls and functions
Display Motorola TLKR T60/T61
1. Dual channel search indicator
2. Signal transmitting/receiving indicator
3. Channel indicator
4. Volume indicator
5. VOX/Room monitor indicator
6. Search indicator
7. Battery level
8. Subcode indicator
9. Timer indicator
10.Auto power off indicator (APO)
11.Keyboard lock indicator
12.Call indicator
Installing the battery
2. To open the battery cover, push the bottom of the battery cover.
3. Insert Nickel-Metal Hydride batteries into the battery compartment.
4. Replace the battery cover.
Battery level and low battery notification
/>Charging the radio
Using the charging station:
1. Make sure the radio is turned OFF.
2. Connect the AC adapter to the DC IN 9V socket of the charging station.
3. Place the charging station on a stable surface.
4. Place the radio in the charging station with the keyboard facing forward.
5. The LCD indicator will turn on and stay on as long as the radio remains in the charger.
Using the battery support bracket:
1. Remove the NiMH rechargeable battery pack from the radio.
2. Insert the battery support bracket into the charging station.
3. Insert the NiMH battery pack into the charging station. Make sure that the contacts of the battery and the charging station are aligned correctly.
4. The LCD indicator will turn on and stay on as long as the radio remains in the charger. Note: Charge the battery pack for 16 hours.
Saving battery capacity
1. When the batteries are not in use, charge them at least once every 3 months.
2. When storing the radio, remove the battery from the radio.
3. Store batteries at -20°C to 35°C and low humidity conditions. Avoid damp conditions and exposure to corrosive substances.
Radio module operation
Read this manual completely before operating the device.
Turn on/off the radio module
Press and hold MENU/ to turn on/off the radio module.
Volume control
Adjust the volume by pressing the ▲ and ▼ buttons
Sound Adjustment (Button Tones)
The radio module emits a short beep each time one of the buttons is pressed (except for the PTT and ♪).
Press and hold the ♪ button while turning on the radio to turn on/off the sound.
Menu navigation
The radio module has two menu functions: selection menu and mode menu.
1. Press the button to enter the selection menu. SEL/🔒.
2. Press the button to enter the mode menu. MENU/.
3. Extra button presses SEL/🔒 or buttons MENU/ navigate through the menu.
4. To exit the menu function, do one of the following:
a. Press and hold the button MENU/.
b. Press and hold PTT, MON or ♪ button.
c. Wait 10 seconds for the device to automatically return to Normal mode.
Radio conversation
1. Hold the radio at a distance of 5-8 cm from your mouth.
2. Press and hold the PTT button during a call.
The icon will appear on the screen.
3. Release the PTT button. You will now be able to receive incoming calls. When you receive an incoming call, the icon will appear on the screen. To answer the call, repeat the procedure from step 1.
Note:
If the transmission duration is more than 60 seconds, the radio module emits a “timeout” signal and the icon flashes.
The radio will stop transmitting.
To start a conversation, both radios must be set to the same channel and subcode. See “Choosing a channel and subcode” below.
Channel and subcode selection
To select a channel:
1. Press the button SEL/🔒 to enter the selection menu. Keep pressing until the channel indicator blinks. 2.▲ or ▼ to the desired channel.
To select a subcode:
1. Press the button SEL/🔒 to enter the selection menu. Keep pressing until the subcode indicator flashes. 2.▲ or ▼ to the desired subcode.
3. Exit the selection menu.
Selection menu
The selection menu is navigated as follows:
Voice Control Transmission (VOX)
Transmission is enabled when you speak into the radio or headset microphone (headset not included) without pressing the PTT button.
To select the VOX level:
1. Press the button SEL/🔒 to enter the selection menu.
Continue until flashes .
2. ▲ or ▼ to the desired VOX sensitivity level.
3. Exit the selection menu.
Note:
The oF (OFF) level disables the VOX mode. Levels 1-5 set the sensitivity of the VOX channel. Use level 1 for quiet environments and level 5 for very noisy environments. You can determine the appropriate sensitivity level by speaking into the microphone. If blinking, your vote has been accepted.
Call signal transmission
The radio module is equipped with 5 selectable call signals.
To select a ringtone:
1. Press the button SEL/🔒 to enter the selection menu.
Continue until it starts flashing.
2. ▲ or ▼ to the desired ring tone.
3. Exit the selection menu.
To send the selected call signal:
1. ♪ to send the selected call signal. The selected signal will be automatically transmitted for a fixed amount of time.
2. Press PTT to cancel the ringtone.
Mode Menu
Navigation through the mode menu is as follows:
Radio Functions
Channel search mode
Allows the radio to search for active channels. When activity is detected, the radio locks (remains) on that channel (for 2 seconds). To start transmission on this channel, press the PTT button. When activity stops on the selected channel, the radio will continue searching for other channels.
To enable channel search:
1. Click MENU/ to enter menu mode. Continue until it starts flashing. 2. Click SEL/🔒 to enable channel search. 3. Click MENU/, ♪ or PTT to turn off search mode.
Dual channel search mode
Allows you to search for the current channel and additionally the second channel.
To set a different channel and start searching on two channels:
1. Click MENU/ to enter menu mode. Continue until ⥸ flashes.
2. ▲ or ▼ to select a channel, then press SEL/🔒.
3. ▲ or ▼ to select a subcode, then press SEL/🔒.
4. The radio module will start searching on two channels. Note: Two-channel search is not performed if the same channel or subcode is set as the current channel.
5. Click MENU/ to turn off the dual channel search mode.
room monitor
Allows the radio to detect voice/noise (according to the sensitivity level set) and transmit it to the listening radio without pressing the PTT button. In this mode, the listening radio cannot receive transmissions.
To enable room monitor mode:
1. Click MENU/ to enter the mode menu. Continue until flashes .
2. ▲ or ▼ for desired room monitor sensitivity level.
Note: Use level 1 in quiet environments. Use level 5 in very noisy environments.
3. Click SEL/🔒 to turn on the room monitor. Click MENU/ to turn off the room monitor.
Note: If voice/noise continues to be heard in the listening room for more than 60 seconds, the listening radio will interrupt listening for five seconds, then resume it.
Timer
Allows the radio to time up to 39 minutes 59 seconds. In this mode, you can receive incoming calls.
To use the timer:
1. Click MENU/ to enter menu mode. Continue until ⏱ flashes. 2. Click SEL/🔒 to select a timer. 3. to start the timer. 4. Click MENU/, ♪ , MON or PTT to stop or restart the timer.
Button lock
Press and hold SEL/🔒 before the advent for keypad lock.
Press and hold SEL/🔒 before disappearing to unlock the keyboard.
LCD backlight
The LCD screen will automatically light up within 10 seconds after pressing any button (except the PTT button).
Observation mode
Allows you to listen to weak signals on the current channel. To enable monitor mode:
1. Press the MON button for a brief listen. The icon flashes.
2. Press and hold the MON button for 2 seconds for extended listening. The icon continues to flash.
To turn off monitor mode:
Press the MON button to return to Normal mode. The icon stops blinking.
End of transmission signal
Sounds at the end of a PTT or VOX transmission. It can be heard in the speaker when the button signal is on. It cannot be heard in the speaker when the button signal is off. Press and hold the ▲ button while turning on the radio to turn on the transmission end signal. Repeat to turn off the end of transmission signal.
Automatic power saving
To extend battery life, the radio is programmed to go into power save mode if no signal is transmitted for 3 seconds. In this mode, the radio module can receive transmissions.
Warranty Information
To request warranty service, return the device to the dealer or retailer. Do not return your device to Motorola.
To be eligible for warranty service, you must provide your receipt or equivalent proof of purchase with the date of purchase.
The radio transceiver must also have a serial number. The warranty is void if the serial number of the device has been changed, removed, erased or made illegible.
What is not covered by the warranty
Defects or damage resulting from using the product in a manner other than its intended use, or from ignoring the instructions in this user manual.
Defects or damage resulting from misuse, accident or negligence.
Defects or damage resulting from improper inspection, operation, maintenance, adjustment or any modification of the instrument.
Breakage or damage to antennas, excluding damage directly attributable to defects in material or workmanship.
Products that have been disassembled or repaired in such a way as to affect performance or make it impossible to inspect and test for warranty claims.
Defects or damage resulting from incorrect range.
Defects or damage resulting from exposure to moisture, liquid or immersion in water.
All plastic surfaces and other external parts of the appliance that are scratched or damaged from normal use.
Items leased on a temporary basis.
Periodic maintenance and repair or replacement of parts as a result of normal use and wear of the equipment.
Copyright Information
The Motorola products described in this manual may contain copyrighted Motorola computer programs stored on solid state memory or other media. The laws of the United States and other countries provide certain exclusive rights to Motorola with respect to copyrighted computer programs, including the exclusive right to copy or reproduce in any form the copyrighted programs of Motorola.
Therefore, none of Motorola's copyrighted computer programs contained in the products described in this manual may be copied or reproduced in any way without the express written permission of Motorola. In addition, the acquisition of Motorola products will not result, directly, by implication, by process or otherwise, in the transfer of a license to Motorola's copyrights, patents, or proprietary applications, other than the ordinary non-exclusive license to use that arises by law when a product is sold.
Entertaining electronics [Non-template encyclopedia of useful schemes] Kashkarov Andrey Petrovich
3.3. TLKR-T3 Portable Radio Squelch Setting-Adjustment
At a fairly popular portable radio station Motorola TLKR T3 with all its advantages (weight 73 g - without batteries, real reliable communication in an open area 2 km, operation at a low power of 0.5 W in the "allowed" range of 446 MHz, price range - up to 1 thousand rubles per set etc.) has one significant drawback. A rare radio "survives" up to 1 year of active operation. Moreover, the malfunction always often manifests itself the same - the lack of reception at one of the radio stations of the set.
Because the Motorola TLKR T3 does not have an adjustable noise suppressor, this significant drawback of a useful device becomes an obstacle to its intended use. But the disadvantage can be quickly eliminated by returning the device to normal mode, which will be discussed later. And at the same time, we will consider several more possible options for improving this model. Motorola TLKR T3 is still actively sold. It can work up to 20 hours without changing batteries.
Additional interest in this model range is also caused by the fact that today a set of T3 walkie-talkies, which was in use or stale in warehouses, if you're lucky, can be bought for only 600-700 rubles.
Motorola produces quite a few stations for "local" radio communication. And according to many features, several different designs were produced under the T3 brand (with changes in the printed circuit board that did not violate the principle of operation of the devices). The instructions contain a record that the manufacturer has the right to change the design without warning consumers.
The TLKR T3 model differs from its counterparts in a particularly original case “with curls” (Fig. 3.9); for these "ears" it is convenient to hang the walkie-talkie on a carabiner (on a belt or a backpack), which tourists have repeatedly noted as a convenient feature for carrying (see the comparison table).
Rice. 3.9. Appearance of the original case Motorola TLKR-T3
The radio antenna itself is built into the "ear" inside the case. Thus, in the T3 model there is nothing that could catch, albeit with a small, but still protruding antenna pin (as in the T4, T6, T8 models). Such an "antenna" solution does not at all interfere with the stable communication of the T3 model, operating at a frequency of 446 MHz and a step of 12.5 kHz (with a maximum power of 0.5 W) over a distance of 2 km in open countryside, which I confirm with real tests carried out by me in Verkhovazhsky district of the Vologda region in the summer of 2013.
So, an automatic (unregulated) squelch in some cases of poor reception can be considered a disadvantage, but it is also easy to fix it.
To do this, you need to disassemble the station by unscrewing two self-tapping screws from the side of the sloping roundings - “ears” (they are closed with plastic plugs on the device case) and one self-tapping screw in the battery compartment. After that the body Motorola We open TLKR-T3 into two parts and get access to the printed circuit board and directly to the controls (see Fig. 3.10).
Rice. 3.10. portable radio Motorola TLKR-T3 open case
On PCB Motorola TLKR-T3 lettering Uniden. We turn the printed circuit board over to the other side and have the view shown in Figure 3.11.
Rice. 3.11. View of the printed circuit board from the side of the location of the main elements
A tuning resistor with the designation (on the board) RT03 is visible on the board. We will spin it. When the resistor slider is turned clockwise, the squelch's sensitivity decreases, and it "passes" background radio interference (acoustic noise is heard in the dynamic head).
This information, according to my idea, will be useful to everyone who does not have electrical circuit this model (it is not presented in open sources) or the time to study it.
Thus, in cases of unstable communication, for example, when it is necessary to carry out radio exchange “at any cost” and health and life itself depend on it (in the mountains, hiking, when losing orientation in an unknown area), adjusting the resistance of this tuning resistor (you will need a miniature screwdriver with "Shovel" 1 mm) you can improve the sensitivity on the air and receive an important message. The same possibility exists in software. After turning on the radio, by successively pressing the "Menu" button, they switch to the "Monitor" mode, select/confirm it by pressing the RTT tangents, and the squelch "automatically" turns off. But this option, which is easily described in the instructions, does not perform the task when it is necessary not to turn off, but to adjust the noise suppressor. And for this it is convenient to use the method discussed above - forced adjustment of the tuning resistor with the designation on the printed circuit board RT03.
Attention advice! By the way, for those who will disassemble this device for spare parts, I especially recommend the SP487 16 Ohm, 0.2 W speaker. The same ones are used in "portables" of a higher class, for example Kenwood TH-F7, Yaesu VX-6R and others.
Troubleshooting a common problem. A common malfunction of this model is expressed in the fact that one of the radio stations of the kit stops receiving a signal from the other; just silence on the speaker. Accordingly, the squelch does not open at the receiving r/station and the radio communication indicator does not turn on on the LCD. The radio station did not fall, did not “overstrain” from incorrect power supply, and yet the “shaitan” inside it makes itself felt.
This malfunction manifests itself literally six months or a year after the acquisition (from the beginning of the operation of the device). Moreover, it has been noticed that the less the radio station is used (it lies / gathers dust in the "bins"), the greater the danger of this situation, however, is quite easily eliminated.
It is important to understand here that if you turn on the “Monitor” mode by hardware (see above), then you can still hear the first radio through the background. But you won’t work with this mode for a long time, the batteries run out, and it’s just inconvenient. Therefore, let's consider how to fix this problem.
Using the first station as a signal generator, periodically switched on for transmission, the oscilloscope found that the signal disappeared after the 450 kHz IF filter labeled CQ WM50HTV (see Fig. 3.11 - black box in the center).
You can check this version without an oscilloscope, literally “on your knee”. At the receiving station, turn the squelch resistor clockwise (see above) until a noise effect (“hum”) appears and press the transmitting call PTT. If the call/speech passes against the background of noise, then the malfunction has been identified correctly and the IF filter must be soldered/replaced.
After replacing it, the noise will increase several times, so it will be necessary to re-adjust the tuning resistor with the designation RT03.
Further, after unequivocally finding the source of the problem, you can even go in three ways. The first is to solder the filter contacts on the printed circuit board (on the reverse side - see Fig. 3. 10), the second is to replace the filter.
In this case, the 450 kHz FPF can not only be purchased, but also soldered from the radiotelephone boards; such are found in old cell phones Nokia 630 (“outdated” NMT450 standard), modern cell phones of the GSM form factor (even two each), cordless phones, receivers, as well as in the key fob pager (with feedback) from the Alligator alarm (perhaps not only in these models ).
The third way is this. If there is absolutely nowhere to take the WM50HT, but the case does not endure, instead of the FPC, you can temporarily put a non-polar capacitor with a capacity of 1000–1500 pF. In this case, the sensitivity will decrease, but it will work.
It also happens differently. In receive mode, "background noise" of the RF path is heard from the speaker. In this case, the signal from the first (transmitting) station does not turn off, but, on the contrary, turns on the noise suppressor at the receiving station (the opposite effect is obtained). The faulty (tested) radio station itself works normally for transmission. If the FFC is known to be good / checked, then in this case the problem is in the incorrect adjustment of the tuning resistor, which is also easily eliminated.
Figures 3.12 and 3.13 show an illustration of the adjustment and the appearance of the trimmer resistor RT03.
Rice. 3.12. Practical adjustment of the RT03 trimmer
Rice. 3.13. Close-up view of the trimmer resistor
This problem is common for many portable radios of this class and different models under the Motorola brand.
It makes sense to restore these portable stations in this way, if only because they have a very decent sensitivity (relative to some other stations).
Bought this small walkie-talkie on occasion in addition to the Midland G14. It was originally sold for 500 r, but due to a defect, the price was dropped to 300.The problem was that the reception did not work and the radio was simply silent. Something could be heard only by turning off the noise reduction, but this is not good, and the sensitivity is unimportant. I was ready for this, because. I read about it online the other day. It was a failed IF filter at 450 kHz, and this problem is very widespread and also affects other Motorola models.
It is very easy to disassemble - 3 self-tapping screws at the back and a few latches in a circle.
At the bottom of the board is the culprit himself - the WM50HTv piezo filter at 450 kHz.
A replacement candidate was found in a broken car radio marked AR50Hy, which is the same size as the original and also has 5 pins.
Other radios also had filters, but in a different design - with 2 or 3 legs, which can also be used. In general, it is indicated on the Internet that any filter at 450 or 455 kHz is suitable, which can be found in radio tape recorders or cordless phones, in extreme cases people managed with a 1 nF capacitor, but sensitivity and selectivity suffered.
The replacement came one to one, the increased noise volume without noise reduction is immediately noticeable.
I finally checked it with another walkie-talkie, and also managed to have fun with Mikhail from a neighboring house.
The walkie-talkie as a whole is not bad, though it is simple at all and without subtones. Very light, albeit on batteries (3xAAA).