TTI Tech GMRS-1200 2-WAY PORTABLE HANHELD RADIO User Manual

TTI Tech Co., Ltd. 2-WAY PORTABLE HANHELD RADIO

User Manual

1/13GMRS-1200USER MANUAL2-WAY  PORTABLEHANDHELDRADIONOVEMBER 2, 2001                       CONTENT1.  GENERAL1.1  General1.2  Characteristic1.3  Composition2.  SPECIFICATION2.1  General Specification2.2  Electrical Specification3.  OPERATION3.1  ICON on LCD3.2  Key Functions3.3  Setting and Operation
2/134.  CHANNEL DATA1. GENERAL1.1 GENERALThis equipment, GMRS-1200 is called 2 way portable handheld radios.The frequency range is 462MHz, UHF operating Channel for international 2 wayradio. Also it has a 38 CTCSS feature to get the clear communication withoutinterference.1.2 CHARACTERISTIC     a) All active device in this radio is composed of semiconductor and       high density IC.     b) To design this radio in compact and weight approximately 110g with       out battery.     c) CPU of this equipment is H8/3802 from HITACHI     d) It’s power can operate by use of alkaline 4 cell(1.5V AAA) battery.1.3 COMPOSITIONThis radio is composed of following.   a) Transceiver (W/Antenna) b) Belt clip
3/132. SPECIFICATION2.1 GENERAL SPECIFICATIONSa) Frequency range : 462.5625 ~ 462.7250 MHzb) Communication Mode : Half duplexc) Channel Capacity : 15 channeld) Channel Spacing : 12.5 kHze) Power : 6.0V(alkaline)f) Battery Life : Alkaline. 20hours (Tx5%, Rx5%, Stand-by90%)g) Operating Temperature : -20°C ~ +60°Ch) Dimension : 174(H) x 58(W) x 39(D)i) Weight : 110g (without battery)2.2 ELECTRICAL SPECIFICATION   a) TRANSMITTER1) Output power : Max . 1.8W2) Frequency Stability : ± 5 ppm(-20°C ~ +60°C)3) Modulation Method : FM4) Oscillation Method : PLL SYNTHESIZER5) Max. Frequency Deviation : < ± 2.5 kHz (with tone)6) Cooling Method : air-cooling Method7) Spurious Emission : < -60dB8) FM Hum/Noise : > -40dB(1kHz 60% modulation, w/CCITT)9) Distortion : < 5% (1kHz 60% modulation)      10) Tx Audio Response : 6dB / OCT ± 3dB Pre-Emphasis(300Hz ~ 3kHz)   b) RECEIVER
4/131) Receiver Method : Double Super Heterodyne2) Receiver Sensitivity : < 0.28uV(12dB SINAD) : > -118dBm3) Squelch Sensitivity :  -120dBm ~ -130dBm(AUDIO On/Off Point)4) Bandwidth : > 8kHz (6dB ATT point)5) Selectivity : < - 60 dB (12.5kHz)6) Local Frequency Stability : ± 2.5ppm(-30°C ~ +60°C)7) Spurious Response : > 45 dB8) Audio output : 200mW (Internal 8Ω load THD 10%)9) Distortion : < 5% (1kHz 60% Modulation)      10) RxAudio Response : 6dB/OCT  +1/-10dB De-Emphasis(300Hz~2.5kHz)      11) S/N Radio : < 40 dB(1kHz 60% Modulation)      12) IF : 1’st IF ---  21.7MHz            2’nd IF ---  450kHz      13) Local Frequency : 1’st Local Frequency --- fc – 21.7MHz                       2’nd Local Frequency --- 21.250MHz3. OPERATION3.1 ICONS on LCD1) Monitor indicator : Appears when the CTCSS isn’t in use and squelch is open.2) Key lock indicator : Indicates that the key lock function is in use.3) Beep ON/OFF indicator : Appears while key tone is in use.4) Roger On/Off indicator : Appears while Roger tone is in use.5) Battery indicator : Indicates the battery status6) Receive signal indicator : Appears when receiving signal or squelch noise isexisting.7) ID indicator : Appears when the ID function is in use.8) Weather mode indicator : Icon will be on steady when in the weather bandmode. The Icon will blink in every 2 seconds when in the FRS mode with thealert active.9) Channel readout : Shows the current channel number.10) CTCSS readout : Shows the operating CTCSS frequency or code.11) SCAN indicator : Indicates that scan is enabled.
5/1312) CTCSS indicator : Appears when the CTCSS function is in use.13) Dual Watch indicator : Appears when the Dual Watch function is in use.14) Out Of Range indicator : Appears when the Out Of Range function is in use.15) VOX (Voice Activated Transmit) Indicator : Turning on the          power while pressing PTT button activates VOX function.3.2 Key FunctionMO DESCA NEMG1) PTT switch : Push and hold to transmit ; release to receive.2) Monitor : Press and hold this key for over 2 seconds to enable the receiveCTCSS feature.3) Up/Down key : In the stand-by mode, Pressing  this button will increment ordecrement the listening volume. When in function edit mode,this button will be used to adjust the unit settings..4) Scan / Lock key : Push this key to momentarily to enable or disable the                    scan. Press and hold this key for over 2seconds to lock or                    unlock keypad.5) Mode (Function) key : Push to select the following function setting mode. Βριεφ πρεσσ µοδε :  1∋στ πρεσσ   Χηαννελ ,2 νδ πρεσσ   ΧΤΧΣΣ,3 ρδ πρεσσ   ςΟΞ λεϖελ,4∋τη πρεσσ   ∆υαλ Ωατχη Χηαννελ,
6/135 τη πρεσσ   Ρογερ Ον/Οφφ,6∋τη πρεσσ   Βεεπ Ον/Οφφ,          7 τη πρεσσ   Ουτ Οφ Ρανγε Ον/Οφφ,8 τη πρεσσ   Ι∆,9 τη πρεσσ   Αλερτ Ον/Οφφ,10 τη πρεσσ   Χαλλ6) Speaker / Microphone7) LCD (Liquid Crystal Display)8) Transmit / Receive indicator : When receiving an incoming signal, the LEDindicator will light green, and while the PTTbutton is pressed, the LED will light red.These LED’s are used for backlighting aswell.9)External speaker/mic jacks : Connect an optional speaker/mic or headset,if desired. The internal mic and speaker will notfunction when either is connected.2) Function displayMonitor Indicator: Icon appears when the monitor button is pressed and the channelmonitor function is activated.Key Lock Indicator: Icon appears when the keypad is locked. This functiondisables keys such as channel up/down and mode.Signal Strength Indicator: Icon appears when a signal is being received. The Iconconsists of five bars to indicate the received signal level.Beep Tone Indicator: Icon appears when beep tone confirmation tone is selected.Icon disappears when tone is off.Roger Beep Tone On/Off Indicator: Icon appears when the roger beep tone isselected. Icon disappears when tone is off.Battery Level Indicator: Icon indicates the battery charge level.Large Segment Display: Indicates the channel number in use.Caller ID Indicator: Icon appears when caller ID function is turned on. Icondisappears when the function is off. This work with small segment display.Coded Tone Controlled Squelch System(CTC) Indicator: Icon appears when theCTCSS tone function is active.
7/133-3. SETTING AND OPERATIONIn order to communicate with other GMRS/FRS units, both you and the     receiving party must be on the same channel.     GMRS-1200 has 15channels indicated by the large digits on the     LCD display panel.  Before trying to transmit on the selected channel,     you should press the Monitor Button to check the activity on that channel.     If someone is already on the selected channel, you should try another     channel that is clear1) On/Off & Volume control SwitchRadio ON : Press the power button at least for 2 seconds.You will hearconfirming melody to indicated the unit is on.      Radio OFF : Press the power button at least for 2 seconds.Small Segment Display: Displays CTCSS tone option in the channel from 00 to 38,and also displays the caller ID number(01–10) when caller ID function is active.Scan Indicator: This function allows users to scan a channel to search for a validsignal.Dual Watch mode Indicator: Icon appears when dual watch mode is active.Voice Activated Transmission (VOX) Indicator: This function allows handsfreeconversation. The Icon appears when the VOX mode is activated.Out of Range Alarm Indicator: When this function is active, Icon blinks thereceiving signal is getting weaker. The Icon stops blinking when the receivingsignal comes back to the normal strength.Weather Mode Indicator: Icon will be on steady when in the weather band mode.The icon will blink when in the GMRS mode with the alert active.
8/13Volume setting : Press up[″]or down[…] button to adjust a level that iscomfortable for you while monitor is active.2) Setting the Channel and Tone Code(CTCSS)GMRS-1200 has 15 main channels and 38 sub-channels.* 14 Frequency channels* 38 CTCSS Code ( indicated by CTC icon on the LCD )To select the channel* Turn the radio on.* Press MODE button once, [XX] digit will blink on the LCD. XX is achannel.* Press up[″]or down[…] button to choose the channel.* Press the PTT button or MODE button to confirm.To set the tone codes(CTCSS)* Press MODE button once more, [XX 00 up to 38] will appear and CTC iconand tone code digit will blink on the LCD. “00” means no CTCSS code.* Press up[″]or down[…] button to choose the desired sub-channel to use.* Press the PTT button or MODE button to confirm.NOTE : To communicate with other GMRS/FRS units, they mustbe switched to the same channel and CTCSS sub-code. Tocommunicate with other GMRS/FRS units that do not have sub-codes,switch your unit to the same channel with the sub-code set to OFF.3) VOX (Voice Operated Switching)This option enables you to have hands-free conversation. You do not have tooperate the PTT button each time when you want to transmit.You can also choose the VOX sensitivity so suit your environment ofoperation.( Ex : noisy road, motor bike, factory etc. )To Set the VOX mode* Press the MODE button until the [Uo oF Or XX] appears. XX is a vox level* VOX icon will be appeared on the LCD.To Set the VOX level* Press the up[″]or down[…] button to set the VOX level from 1 to 5.“oF” is disable the VOX function.“01” is least sensitive.“05” is most sensitive.* Press the PTT button or MODE button to confirm.4) Setting the DW (dual watch)To set the DW mode* Press the MODE button until the [ oF of 01 up to 15] and DW icon blink on
9/13the LCD.* DW icon will appear on the LCD.To set the dual watch(DW) channel* Press the up[″]or down[…] button to choose the channel.“oF” means no DW mode.“01 up to 15” means the channel that is dual-watched.* Press the PTT button or MODE button to confirm.5) Roger toneThis feature will give the tone signal to other parties when transmitting finished(when PTT button is released.)To activate or disable the Roger tone* Press the Mode button until [rb on or oF] and the roger icon blink on theLCD.* Press the up[″]or down[…]  button.* Press the PTT button or MODE button to confirm.6) Beep toneTo set the beep tone* Press the Mode button until [bP on or oF] and the BELL icon blink on theLCD.* Press the up[″]or down[…]  button.* Press the PTT button or MODE button to confirm.7) Setting Out of RangeTo set the Out of Range* Press the Mode button until [ir on or oF] and the Out of Range  icon blinkon the LCD.* Press the up[″]or down[…] button.* Press the PTT button or MODE button to confirm.8) Setting ID codeTo set the Caller ID! Press the MODE button until the ID Icon and small segment display blinks.! Then press the Up or Down button to select the desired ID number from 01to 10. “oF” means no ID mode.! Press the PTT button or Mode button momentarily to confirm the IDnumber.** When a signal is received from the radio where the one Caller ID is
10/13selected, the radio that is receiving the signal displays the Caller ID number ofthe transmitting radio.9) Weather alert settingTo set the Weather alert receiving mode* Press the MODE button until the [AL on or oF] blinks* Press the up[″]button or down […]button to set the alert function.* While the alert is ON, weather icon will blink both in FRS and weathermode.* Weather icon will stop the blinking on the LCD when the alert is OFF.** While the unit is GMRS/FRS mode, if the alert signal is received, the unitwill set to Weather Radio mode automatically and warning beep tone willgenerate.** While the unit is in Weather mode, if the alert signal is received, the unitwill generate the warning beep tone.10) Call Ringer Selection ModeThis feature Provides 3 user selectable call ringer signal.To set your favorite call ringer signal.* Press the MODE button until the [C 01 or up to 03] appears on the LCD.* Press the up[″]or down[…] button to select the call melody type.* Press the PTT button to confirm.* To activate the call, click the “PTT” button twice quickly.11)  Transmitting* Press and hold the PTT button (The LED light red during transmission.)* Speak slowly and clearly* To Stop the transmission, release the PTT button.* if there are no more receiving signal for 5 seconds, the unit will go intopower save mode.12)  ReceivingThe Coding feature reduces the possibility of interference and provideenhanced Communication. You can only listen to a call that has correctmatching code.** Upon receiving a signal, the LED lights green. When radio is on CTCSS modeand then a signal that has different CTCSS code on the same channel is received,the LED blinks in green.Important :Before transmitting or receiving to the other parties* Correct channel is selected (1 to 15) and* Correct code is set ( 00 to 38 )
11/1313)  Channel ScanningThis feature allows you to monitor all activated channels while scanning.To activate the Scan* Press the SCAN button* Radio will begin scanning.* When in scan mode, the display will show each scanning channel.* After an activated channel is scanned and received signal and then if there isno more signal, the scan will resume automatically** Once a channel has been scanned, pushing the monitor button makes theradio resume the scanning with the scanned channel skipped.14) Call* Click the PTT button twice quickly.15)  Monitoring the ChannelIt is used for listening the week signal or to here all activities on the channel byManually overriding channel sub tone code setting.To activate the monitor feature* Press and hold the “MON”(monitor) button for over two seconds.* When you hear the sound, release the “MON” button.  ( The monitor icon will appear on the LCD.)To disable the monitor feature* Press and hold the “MON”(monitor) button for over two seconds.  ( The monitor icon will disappear on the LCD.)16)  Keypad LockThe lock function is to avoid the accidental changes to channel with other radiosettings. All buttons will be locked except the Power, PTT, Monitor, Chargerand Volume UP/Down.To lock the keypad* Press and hold the “SCAN” button for over two seconds.* Keypad will lock. (LOCK icon will appear on the LCD)To disable the monitor feature* Press and hold the “SCAN” button for over two seconds.* Keypad will unlock. (LOCK icon will disappear on the LCD)17)  Battery status indicatorThe Battery icon will blink when the radio is in low battery power.Charge the rechargeable battery or replace the batteries.* Full battery – three segments are displayed.
12/13* Low battery – one segments is displayed* Low battery  Warning – one segments will blinking.4. CHANNEL DATA1) FRS Frequency ChartChannel Frequency (MHz) Channel Frequency (MHz)1 462.5625 8 462.57502 462.5875 9 462.62503 462.6125 10 462.67504 462.6375 11 462.55005 462.6625 12 462.60006 462.6875 13 462.65007 462.7125 14 462.700015 462.72502) CTCSS Tone Frequency ChartNO FREQ.(Hz) NO FREQ. (Hz) NO FREQ. (Hz)1 67.0 14 107.2 27 167.92 71.9 15 110.9 28 186.23 74.4 16 114.8 29 179.94 77.0 17 118.8 30 186.25 79.7 18 123.0 31 192.8
13/136 82.5 19 127.3 32 203.57 85.4 20 131.8 33 210.78 88.5 21 136.5 34 218.19 91.5 22 141.3 35 225.710 94.8 23 146.2 36 233.611 97.4 24 151.4 37 241.812 100.0 25 156.7 38 250.313 103.5 26 162.2 OF 0

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