How it Works
MIDLAND
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CT710
User Manual [en, de, es, fr, it]
214 pgs3.63 Mb0
Table of contents
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MIDLAND CT710 User Manual [en, de, es]

CT 710
” Instruction guide
VHF/UHF TRANSCEIVER |
Sommario
Content: 4
Main functions 5
Description of the device 6
LCD display 6 Transceiver 8
Basic operations 10
Dual-band mode 11 Channel Mode 11 Frequency Mode 12
Menu function 15
Menu Function List 16
Emergency Alarm 18 Setting Reverse Frequency Function 18 Scanning 18 Select scan type 18 VOX Sensitivity Setting 19 Power Setting (high or low) 19 Squelch Threshold Setting 20 Scrambler Setting 20 Backlight On/Off Setting 20 Backlight Color Selection 21 Beep On/Off 21 Keypad Lock Function Setting 21 Transmitting TOT Setting 22 Voice Function (only in English) 22 OFFSET DIFFR 22 Selecting the CTCSS tones and DCS codes 22 Setting the receiver CTCSS/DCS (R-CDC) 23 Setting the transmitting CTCSS/DCS (T-CDC) 23 +/- Frequency shift direction (for through repeaters) 23 Selecting the Frequency Step 23 Wide/Narrow Band 24 Roger Beep 24 To Save/delete a channel 24
CTCSS tone table: 50 tones 26
DCS: Digital code 105 tones 27
Table of solutions 28
2 | CT710 Instruction Guide CT710 Instruction Guide | 3
Technical Specification 29

Content:

• CT 710 transceiver
• Antenna
• Li-ion battery pack 1600mAh
• Belt clip
• Desktop charger with wall adaptor
• Quick Guide
If any items are missing or have been damaged during shipment, please notify your MIDLAND dealer.

Maintenance

Your transceiver is an electronic product of exact design and should be treated with care .The suggestions below will help you to fulfill any war­ranty obligations and to enjoy this product for many years.
• Do not attempt to open the unit. Non-expert handling of the unit may damage it.
• Do not store the radio under the sunshine or in hot areas. High tem­peratures can shorten the life of electronic devices, and warp or melt certain plastics.
• Do not store the radio in dusty and dirty areas.
• Keep the radio dry. Rainwater or damp will corrode electronic circuits.
• If it appears that the radio diffuses peculiar smell or smoke, please
shut off its power immediately and take off the charger or battery from the radio.
• Do not transmit without antenna.

Main functions

• Dual band (VHF/UHF) displayed
• Frequency band:144-146MHz & 430-440MHz (Rx / Tx).
• Working mode: UHF-VHF, VHF-VHF or UHF-UHF
• Output power: 5W VHF /4W UHF
• 128 stored channels
• Scrambler (levels can be programmed via software)
• Compander (programmable via software)
• VOX function
• 210 DCS codes and 50 CTCSS tones
• “VOICE” function
• SOS emergency function
• Channel spacing selectable between 25kHz and12,5 kHz
• Following options can be shown on the display: channel name +
channel number, channel number + frequency, channel number, or frequency
• Inverted frequency function
• Scan function
• FM radio receiver
• Frequency Step: 5 kHz, 6.25 kHz, 10 kHz, 12.5 kHz, 25 kHz,
• Selectable tx power: high (4-5W)or low (1W)
• Li-Ion battery pack 1600mAh
• Frequency Offset: 0-69.950 MHz
• Shift repeater
• ”Busy channel lockout” frequency (programmable via software)
• Tx signal strength indicator on the display
• Low battery vocal indication
• Roger Beep tone at the beginning or end transmission
• TOT (Time out timer)
• Keypad lock
• Scan of frequencies with CTCSS/DCS
• Scan priority
• DTMF
• Reset of functions and channels
• 1750 / 1450 / 2315 tone to connect to repeaters (programmable via
software)
• Jack for external speaker/mike: 2 Pin KENWOOD type
4 | CT710 Instruction Guide CT710 Instruction Guide | 5

Description of the device

LCD display

Indicators:
DTMF codes
FM radio
Vox function
Inverted frequency (reverse)
Frequency offset +/-
Channel spacing wide/narrow
ID code activation
Battery level
Emergency call
Scan
Priority scan
6 | CT710 Instruction Guide CT710 Instruction Guide | 7
Compander
CTCSS tone
DCS code
Keypad lock
RSSI - Potenza segnale ricevuto/trasmesso
Scrambler
Menu/channel number
High/low power transmitting
Band A selected
Band B selected
Frequency
Transceiver
2
3
1
1
1
4
5 6
8
1. Power switch/volume control
2. Encoder Knob
3. Antenna
4. LCD display
5. MENU
6. ENTER (To enter the menu functions and confirm your selections)
7. Alphanumerical keypad
8. LOCK (keypad lock)
9. T-R (Frequency inversion activation)
10. VFO/MR (to change the radio modes)
10
7 9
E
A
D
B
C
A PTT (push to talk) key B Flank key1: A/B frequency selector - single or dual band -, FM radio C Flank key2: 1750/1450/2315 tone (programmable) or DTMF (pro-
grammable)
D Ext. speaker/microphone jack E Battery latches
8 | CT710 Instruction Guide CT710 Instruction Guide | 9

Basic operations

Antenna

Insert the base of the supplied antenna into the SMA connector by rota­ting the antenna clockwise, then make sure that it has set down. Take out the antenna from the base by counter clockwise rotation until pull out it from SMA connector.
Turning on and off the power
If you want to turn on the power, rotate the PWR/VOL (turning on) knob clockwise until a beep sound is heard. All icons and frequencies appear on the screen. (Due to the automatic squelch function, the speaker will not send out any sound before receiving a call). You can adjust your desi­red volume by turning the button. If you want to turn off the power, turn PWR/VOL knob in counter clockwise rotation until a beep is heard. All icons and frequencies disappear from the display.

Monitoring function

If you hold down the ENTER key for two seconds and adjust your desired volume by PWR/VOL knob, you can directly hear a background noise wi­thout waiting to receive any signals. If you press the PTT key, the squelch will turn off.

Transmitting

Press the PTT key then speak to the radio in ordinary tone. The transmit­ting indicator lights up red while the PTT key is pressed. If you are too close to the microphone or your voice is too loud, the re­ception won’t sound clear. Release the PTT key so as to listen a response from your partner.

Select Mode

You can select four different operative modes:
1. Dual-band mode
2. Single band mode
3. Channel mode
4. Frequency mode. Press flank key1 for two seconds to enter or exit the dual-band or single­band mode.

Dual-band mode

When the dual-waiting mode is selected, the display will show two bands A or B. When the band A is displayed, it means that frequency A can recei­ve and transmit, but the other frequencies on the B band can only receive and cannot transmit. Same thing if the band B is displayed. To switch to A or B band press briefly flank key1. Single-band mode Press flank key1 for two seconds. The display will show:
R 145.025 T 145.025
Now the radio works in single band mode only. To switch from one band to another, press flank key1.

Channel Mode

Press the VFO/MR key to switch to channel mode. Different options can be displayed:
• Display the current channel number
CH-001 the current channel is the first channel.
• Display the current channel name and channel name
CH-001 current channel name in use
(in this case channel 1).
The name is programmable via software.
001
• Display the receive / transmit frequency and the current channel
current channel
R 145.025 receive frequency T 145.025 transmit frequency
001
current channel.
10 | CT710 Instruction Guide CT710 Instruction Guide | 11

Frequency Mode

‘SINGLE BAND’
R 430.02500 receive frequency
T 430.02500 transmit frequency
‘DUAL BAND’
A 145.025 B 430.025
Press flank key1 for two seconds to enter or exit the dual-band or single­band mode.

Radio Function

This radio comes with the FM function. Press MENU and then flank key 1 or 2 to enter the radio status. To select your favorite radio frequency to listen directly, turn the encoder. Radio stations can be programmed by software and push the VFO/MR to switch to the programmed radio frequencies. To exit the radio encoder, press the MENU and then flank key 1 or 2.
The Flank Key Definition
By using the programming software, you can define the flank key 2 as:
1. DTMF code call
2. send 1450Hz code
3. send 1750Hz code
4. send 2315Hz code
When defined as one of the above, push the flank key to activate the selected function.
MENU →
ENTER →
A VFO/MR → C
B Tasto laterale 2 → D
DTMF programmed by software
(see the instructions of the Programming software)
Once the optional call signaling DTMF function is programmed on the desired channels, press the flank key2 and the display will show DTMF. Now you can input the 8-digit DTMF codes. If the input number is wrong and you want to change it, rotate the en- coder. Counterclockwise rotation delete one by one, clockwise to exit the DTMF function. Input your desired number, press PTT key to make a call. When your partner receives the correct code, the programmed DTMF function or the radio identification will be done.

ANI PTT-ID Operation

ANI means Automatic Numbering Identification. You can set an automatic number identifier visible from the radio’s di­splay of your partner each time you send a call signal. This function must be activated on both radios and must be programmed by software (see the instructions of the Programming software).

DTMF Code

This radio has the DTMF function. In the transmitting status, press the numbers on the keypad or the flank keys and the corresponding DTMF code will be issued. The DTMF code issued by the key buttons are as follows:
MENU stands for A, ENTER stands for B, VFO/MR stands for C, FM stands
for D.
12 | CT710 Instruction Guide CT710 Instruction Guide | 13

Shortcuts Operation

MENU + 0 ANI setting
MENU + 1 scan mode
MENU + 2 priority scan mode (only in VFO mode)
MENU + 3 VOX Sensitivity setting
MENU + 4 output power setting
MENU + 5 SQ adjust
MENU + 6 scrambler on/off setting
MENU + 7 backlight on/off setting
MENU + 8 backlight color setting
MENU + 9 beep on/off
MENU + # receive and transmit CTCSS/DCS setting
MENU + * S-D +/- potential difference setting

Menu function

Menu Operation

To enter the Menu functions, follow this procedure: Press MENU to enter the menu mode. Turn the encoder to select the menu. Press ENTER into the menu mode to set the desired function: you can press the number key directly, but for some functions (such as TOT, Voice, Frequency offset) you have to rotate the encoder to find the desired op­tion. Press ENTER to confirm the selected setting. When you have completed all the setting, press VFO/MR to exit the Menu mode.
14 | CT710 Instruction Guide CT710 Instruction Guide | 15

Menu Function List

Menu display Instruction Setting contents
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
SCAN
PRI
VOX
POW
SQL
SCRM
LED
LIGHT
BEEP
ANI
KEYBO
TOT
SCANS
VOICE
DIFFR
C-CDC
R-CDC
T-CDC
S-D
STEP
N/W
ROGER
Channel or frequency scan
Priority Channel Scan
VOX Sensitivity
Transmission power
Squelch threshold setting
Scrambler
Backlight On/Off setting
Backlight color select
Beep
Automatic number identification programmable via software
Keypad lock
Time Out Timer
Scan selection
Voice prompts
Offset
Receiving and transmitting CTCSS/DCS
Receiving CTCSS/DCS
Transmitting CTCSS/DCS
Potential difference
Channel stepping
Narrow/wide bandwidth
Roger Beep
CHANNEL OR FREQUENCY SCAN
PRIORITY CHANNEL SCAN
OFF~9
HIGH/LOW
0~9
OFF/ON
OFF/ON/AUTO
BLUE/ ORANGE/PURPLE
OFF/ON
OFF/ON
MANUAL/AUTO
OFF~270
CO/TO/SE
OFF/ENG
0-38.000(VHF) - 0-69.950(UHF)
OFF-254.1/D023-D754 I/N
OFF-254.1/D023-D754 I/N
OFF-254.1/D023-D754 I/N
+/-/0
5K/10K/6.25K/12.5K/25K
WIDE/NARROW
ROG ON/ROG OFF
16 | CT710 Instruction Guide CT710 Instruction Guide | 17

Menu Function introduction and setting

Emergency Alarm

There are two types of alarms:
1. Press flank key 2 and flank key 1 at the same time: the radio will go to emergency alarm and will send out, at the same time, the alarm sound and ANI to your partner (if programmed). The alarm stays active till the PTT is pressed.
2 By means of the programming software, an emergency channel can
be specially set. To activate it, press briefly # T/R: now you can transmit on the selected emergency frequency. To exit, press VFO/MR.

Setting Reverse Frequency Function

In channel/Frequency mode, hold down # for two seconds until “T*R?” appears. When “REV” is displayed on the LCD, the Reverse frequency function is enabled. To deactivate this function, hold down # for two seconds.

Scanning

The Scan version is very useful to monitor the channels before transmit­ting.

Select scan type

Press MENU and rotate the encoder to item 13, the screen will display
“013 SCANS?”.
Press ENTER: now you are into the scanning mode selection. You have three types of scanning to choose amongst: TO, CO, SE.
Time-operated scan (TO)
When the radio detects a signal it will stop scanning; the status will re­main about 5 seconds but the radio will continue to scan even if the si­gnal is still there.
Carrier-operated scan (CO)
The radio will stop scanning when detects a signal and remains on the same frequency until the signal is missing.
Search Scan (SE)
When the radio detects a signal, it remains on that channel and stop
scanning.
Frequency or channel scan
In channel /frequency mode, press MENU and 1SCAN: the radio will scan from current channel through all the channels and, whenever any signal is detected, the radio will stop scanning for 8 seconds. Then press PTT to transmit: it will then continue to scan after 8 seconds. Press any key except PTT to end scanning: the radio will return to the channel or frequency in use before starting the scan function.
Priority channel scan
Priority scan means that the radio starts scanning from the priority chan­nel first and then scans the other channels. For example, if the priority channel is 1, the scan will be 1-2;1-3;1-4;…….
Procedure:
In channel mode ,press MENU and 2PRI: the radio will scan priority chan­nel, whenever any signal is detected, the radio will suspend the scan for 8 seconds, then press PTT key to transmit. It will then continue to scan after 8 seconds. Press any key except PTT key to end scanning.

VOX Sensitivity Setting

This function allows hand-free communications: you activate the transmission when you speak to the microphone without pressing the
PTT button. It stops transmitting automatically once you stop speaking.
The sensitivity can be adjusted in different levels that can be set upon your needs.
Procedure:
In Frequency mode, press MENU and 3VOX keys: the screen will display
“003 VOX?”.
Press ENTER and the display will show “VOX OFF”. To adjust the desired sensitivity level, press any number key (0-9) on the keypad or rotate the encoder. To confirm your selection press ENTER and VFO/MR to exit.

Power Setting (high or low)

With this function you can select the power level, you can choose betwe­en High (H) and Low (L).
18 | CT710 Instruction Guide CT710 Instruction Guide | 19
In channel/frequency mode, press MENU and 4PWR: the screen will di­splay ”004 POW?”. Press ENTER and the display will show ”POW L” (low power) or ”POW H” (high power): turn the encoder knob to select the desired power level. To confirm your selection press ENTER and VFO/MR to exit.

Squelch Threshold Setting

This function turns on the Squelch when the signal is strong; the Squelch will stay off when the signal is weak. Set the same DCS codes of your group and turn on the squelch. By setting the level too high, you may not receive the weak signals; while by setting it too low you may receive noises or undesired signals.
NOTE:
This transceiver has ten (0~9) available levels: 0 means that the Squelch is turned on. From level 1 to level 9 you will have different levels of noises reduction. The higher is the level, the louder will be the Squelch.
Procedure:
Press MENU and 5SQL: the screen will show “005 SQL?”. Press ENTER and the display will show ”SQL 5”(Factory Settings ” SQL 5”). Press any number (0-9) on the keypad or rotate the encoder to select the desired squelch level. Press ENTER as confirmation and press VFO/MR to exit.

Scrambler Setting

The scrambler is designed to protect communications. This feature prevents parties of other networks from hearing and under­standing voice communications. Procedure: Press MENU and 6SCR key and the display will show “006 SCRM?”. Press ENTER: you will see on the display “ON” (scrambler on), “OFF” (scrambler off). Turn the encoder to select on/off and press ENTER to confirm; press VFO/
MR to exit.
Backlight On/Off Setting
In channel/frequency mode, press MENU and 7LED.
The screen will show “007 LED?”. Press ENTER and you will see on the display ”ON” (backlight on). Turn the encoder to select “ON” “OFF”
“AUTO”.
Press ENTER to confirm, and VFO/MR to exit.

Backlight Color Selection

In channel/frequency mode, press MENU and 8COLOR: the display will show “008 LIGHT?”. Press ENTER and by turning the encoder, you have the color options:
“ORANGE”, “PURPLE”, “BLUE”.
Press ENTER to confirm the desired backlight color and VFO/MR to exit.
Beep On/Off
If you enable this function, every time a button is pressed, you will hear a Beep tone. In channel/frequency mode, press MENU and 9BEEP: “009 BEEP?” will appear on the display. Press ENTER: “ON” means beep on, “OFF” means beep off; turn the enco-
der to choose one of the two options. Press ENTER to confirm and VFO/
MR to exit.

Keypad Lock Function Setting

This function is useful to lock the keypad and so, avoid any accidental pressure of the buttons. Press MENU and turn the encoder to item 11: the screen will display
“011 KEYBO?”.
This transceiver has 2 types of Keypad lock available: Auto-lock and Ma­nual-lock. Press ENTER: the display will show “AUTO” (keypad lock turns on auto­matically). Turn the encoder to select “MANUAL/AUTO”, then press ENTER to confirm and VFO/MR to exit. You can also press *LOCK: the display will show “LOCK?” . If you want to lock the keypad hold down *LOCK for 2 seconds. To unlock the keypad, press *LOCK again for 2 seconds: the keypad will be unlo­cked.
20 | CT710 Instruction Guide CT710 Instruction Guide | 21

Transmitting TOT Setting

The TOT function is used to prevent a too long transmission. This function temporarily blocks transmissions if the radio has been used beyond the maximum time permitted. Once reached the preset timer, the radio will be forced in reception mode. This unit can set OFF/30-270 seconds continued transmitting limit, it will send out warning sound when the limit transmitting time is coming.
Procedure:
Press MENU and turn the encoder to item 12: “012 TOT?” will be displa­yed. Press ENTER : the display shows ”OFF” (TOT off ). Turn the encoder to choose “OFF~270”, then press ENTER to confirm and VFO/MR to exit.

Voice Function (only in English)

With this function, you activate a voice that informs about any operation/ selection you are doing. Press MENU and turn the encoder to menu item 14: the display will show
“014 VOICE?”. Press ENTER.
Turn the encoder to choose “ENG”; press ENTER as confirmation and
VFO/MR to exit.

OFFSET DIFFR

This function is used to determine the difference (Potential Difference) between sending frequency and receiving frequency. In frequency mode, press MENU and turn the encoder to item 15; the display will show “015 DIFFR?”. Press ENTER to set the frequency with the keypad or by rotating the encoder. The VHF range is 00.000-38.000(MHz) and the UHF range is 00.000-
69.950(MHz).
Press ENTER to confirm and VFO/MR to exit. This function can only be enabled in VFO mode. The maximum offset de­pends on the selected frequency range.

Selecting the CTCSS tones and DCS codes

Set the CTCSS tones to ignore unwanted signals from other users of the same frequency. CTCSS tones enable the radio to communicate with the users that are tuned on the same channel and have set the same CTCSS tone.
The CTCSS tones available are 50, while DCS codes are 105I and 105N.
Procedure:
Press MENU and #T-R keys, the display will show “016 C-CDC?”. Press ENTER and turn the encoder to select desired CTCSS (OFF-254.1). Press * to switch CTCSS and DCS. The DCS range is OFF-D754N. Press ENTER to confirm and VFO/MR to exit.

Setting the receiver CTCSS/DCS (R-CDC)

Press MENU and turn the encoder to select “017 R-CDC?”. Press ENTER and turn the encoder to select desired CTCSS (OFF-254.1). Press * to switch CTCSS and DCS. The DCS range is OFF-D754N. Press ENTER to confirm and VFO/MR to exit.

Setting the transmitting CTCSS/DCS (T-CDC)

Press MENU and turn the encoder to select “018 T-CDC?”. Press ENTER and turn the encoder to select desired CTCSS (OFF-254.1). Press * to switch CTCSS and DCS. The DCS range is OFF-D754N. Press ENTER to confirm and VFO/MR to exit.
Note: when you set the Menu of DCS codes, press [#] and you can select OFF-
D754I (Inverted).

+/- Frequency shift direction (for communications through repeaters)

This function can only be enabled in VFO (frequency) mode. In frequency mode, press MENU and *: the display will show “019
S-D?”.
Press ENTER and the display shows “S-D 0” (same frequency); turn the
encoder and you can select “S-D+” or “S-D-“. Press ENTER to confirm and VFO/MR to exit.

Selecting the Frequency Step

This function can only be enabled in VFO (frequency) mode. In frequency mode, press MENU and turn the encoder to item 20: “020
STEP?” will be displayed.
Press ENTER and turn the encoder to select the frequency stepping: 5k, 10k, 6.25k, 12.5k, 25k. Press ENTER to confirm and VFO/MR to exit.
22 | CT710 Instruction Guide CT710 Instruction Guide | 23

Wide/Narrow Band

In channel/frequency mode, press MENU and turn the encoder to item
21: “021 N/W?” will be displayed. Press ENTER and the display will show
“WIDE” (wide band).
Turn the encoder to select “NARROW/WIDE” and confirm by pressing
ENTER. Press VFO/MR to exit.

Roger Beep

In channel/frequency mode, press MENU and turn the encoder to item 22: “022 ROGER?” will be displayed. Press ENTER and you will see on the display “ROGER” (roger beep off); turn the encoder to select “OFF /ON”; press ENTER to confirm and VFO/
MR to exit.

To Save/delete a channel

• Saving a channel
In frequency mode select the desired frequency or any other items
(like CTCSS, DCS, potential difference , frequency difference direction).
Press MENU and then VFO/MR keys. The channel to store blinks on the left bottom of the display. Turn en-
coder or select the number (from 1 to 128).
Press VFO/MR key to complete the channel storage, and return to the
state of the frequency mode.
• Deleting a channel
Delete one programmed channel
Turn off the radio. Turn it on again while keeping pressed the VFO/MR
key at the same time.
”001 DEL?” will be displayed. Turn the encoder to delete the chan-
nel number (from 1 to 128).
Select the channel number that must be deleted (rotate encoder). Press the ENTER key and the display shows: “001 YES?”. If you really want to delete this channel, press ENTER to confirm; if you
don’t want to delete it, press VFO/MR to exit.
time. The display will show “RESET?”.
Press the ENTER key, the LCD will show “VFO?”. Press ENTER to confirm and all the settings of frequency mode will be
deleted.
Delete all contents of frequency mode and channel mode (Reset FULL) Turn on the radio while keeping pressed the MENU key at the same
time. The display will show “RESET?”. Press the ENTER key, the LCD will show “VFO?”. Rotate the encoder and choose “FULL?”, then press ENTER as confir-
mation. All settings of channel and frequency mode will be deleted.
• Reset
Delete the parameters of frequency mode (Reset VFO) Turn on the radio while keeping pressed the MENU key at the same
24 | CT710 Instruction Guide CT710 Instruction Guide | 25

CTCSS tone table: 50 tones

DCS: Digital code 105 tones

No Freq.(Hz) No Freq.(Hz) No Freq.(Hz)
01 67.0 18 118.8 35 183.5 02 69.3 19 123.0 36 186.2 03 71.9 20 127.3 37 189.9 04 74.4 21 131.8 38 192.8 05 77.0 22 136.5 39 196.6 06 79.7 23 141.3 40 199.5 07 82.5 24 146.2 41 203.5 08 85.4 25 151.4 42 206.5 09 88.5 26 156.7 43 210.7 10 91.5 27 159.8 44 218.1 11 94.8 28 162.2 45 225.7 12 97.4 29 165.5 46 229.1 13 100.0 30 167.9 47 233.6 14 103.5 31 171.3 48 241.8 15 107.2 32 173.8 49 250.3 16 110.9 33 177.3 50 254.1 17 114.8 34 179.9
No DCS code No DCS code No DCS code No DCS code
01 023 31 165 61 356 91 627 02 025 32 172 62 364 92 631 03 026 33 174 63 365 93 632 04 031 34 205 64 371 94 645 05 032 35 212 65 411 95 654 06 036 36 223 66 412 96 662 07 043 37 225 67 413 97 664 08 047 38 226 68 423 98 703 09 051 39 243 69 431 99 712 10 053 40 244 70 432 100 723 11 054 41 245 71 445 101 731 12 065 42 246 72 446 102 732 13 071 43 251 73 452 103 734 14 072 44 252 74 454 104 743 15 073 45 255 75 455 105 754 16 074 46 261 76 462 17 114 47 263 77 464 18 115 48 265 78 465 19 116 49 266 79 466 20 122 50 271 80 503 21 125 51 274 81 506 22 131 52 306 82 516 23 132 53 311 83 523
24 134 54 315 84 526 25 143 55 325 85 532 26 145 56 331 86 546 27 152 57 332 87 565 28 155 58 343 88 606 29 156 59 346 89 612 30 162 60 351 90 624
26 | CT710 Instruction Guide CT710 Instruction Guide | 27

Table of solutions

Technical Specification
PROBLEM SOLUTION
The radio doesn’t switch onThe battery may be exhausted. Recharge it.
Uncorrected installation. Re-install it.
Battery recharge doesn’t last long
Reception led turns on but no sound heard
The keypad doesn’t work The keypad lock function hasn’t been ena-
In standby, the radio transmits without pressing PTT
Some functions cannot be stored
Reception of other group signal while transmitting
The battery pack is over. Change it with a new one. Battery pack is not completely charged.
Make sure the volume is not too low Make sure to have the same CTCSS and DCS codes of your group
bled.
VOX level has been set too low. Adjust it.
Ensure to be on Channel mode. In Channel mode some functions can be set only through the programming software.
Select another CTCSS/DCS for your group
General
Frequency range 144-146MHz / 430-440MHz Operative temperature -20° +55°C Operating voltage 7.4V 1600mAh Operating mode mono band / dual band Dimensions 95(H) x 55(L) 31(D) mm Weight 230gr (antenna included) Antenna impedance 50Ω Duty cycle 5/5/90
Transmitter
Frequency stability ±2.5ppm Output power VHF: 5W / UHF: 4W Max frequency deviation ±5KHz Audio distortion ≤ 3% Adjacent Channel Power within European legal terms Spurious Radiation within European legal terms Occupied Bandwidth within European legal terms
Receiver RF sensitivity <0.2μV Audio distortion ≤ 3% Audio response 300Hz ÷ 3KHz Adjacent Channel Selectivity within European legal terms Intermodulation Rejection within European legal terms Blocking within European legal terms
Specifications are subject to change without notice.
28 | CT710 Instruction Guide CT710 Instruction Guide | 29
Prodotto o importato da:
CTE INTERNATIONAL s.r.l.
Via. R.Sevardi 7- 42124 Reggio Emilia Italia
www.cte.it - www.midlandradio.eu
L’uso di questo apparato può essere soggetto a restrizioni nazionali . Prima dell’uso leggere attentamen­te le istruzioni. Se il prodotto contiene batterie: non gettare nel fuoco, non disperdere nell’ambiente dopo l’uso, usare gli appositi contenitori per la raccolta.
Produced or imported by:
CTE INTERNATIONAL s.r.l.
Via. R.Sevardi 7 42124 Mancasale Reggio Emilia Italy
Imported by:
ALAN UK
609, Delta Business Park, Welton Road, Swindon, SN5 7XF United Kingdom
www.alan-uk.com - www.midland-uk.com
The use of this transceiver can be subject to national restrictions. Read the instructions carefully before installation and use. If the product contains batteries: do not throw the battery into fire. To disperse after use, throw into the appropriate containers.
Importado por:
ALAN COMMUNICATIONS, SA
C/Cobalt, 48 - 08940 Cornellà de Llobregat Barcelona España Tel: +34 902 384878 Fax: +34 933 779155
www.midland.es
El uso de este equipo puede estar sujeto a la obtención de la correspondiente autorización administrativa. Lea atentamente las instrucciones antes de usar el equipo. si el producto contiene pilas o baterías no las tire al fuego ni las disperse en el ambiente después de su uso, utilice los contenedores apropiados para su reciclaje.
Vertrieb durch:
ALAN ELECTRONICS GmbH
Daimlerstraße 1K - D-63303 Dreieich Deutschland
www.alan-electronics.de
Die Benutzung dieses Handfunkgerätes ist von den landesspezifischen Bestimmungen abhängig. Vor Benutzung Bedienungsanleitung beachten. Bei Verwendung von Batterien beachten Sie bitte die Umweltbestimmungen. Batterien niemals ins offene Feuer werfen, und nur in dafür vorgesehene Sammelbehälter entsorgen.
WWW.MIDLANDRADIO.EU |
CT 710
” Manual de instrucciones
TRANSCEPTOR VHF/UHF |
Sumario
Contenido: 4
Funciones Principales 5
Descripción del dispositivo 6
Display LCD 6 Transceptor 8
Operaciones Básicas 10
Modo Doble Banda 11 Modo Canal 11 Modo Frecuencia 12
Menú de funciones 15
Lista de Funciones del Menú 16
Alarma de Emergencia 18 Ajuste de función de frecuencia inversa (REV) 18 Escáner 18 Selección del Modo de Escáner 18 Ajuste de Sensibilidad del VOX 19 Ajuste de Potencia (alta o baja) 19 Ajuste de Nivel de Squelch 20 Secrafonía 20 Ajuste de la Retroiluminación 20 Selección del color de la Retroiluminación 21 Tonos Beep On/Off 21 Bloqueo del Teclado 21 Temporizador TOT 22 Sintetizador de Voz (solo en inglés) 22 Ajuste OFFSET 22 Selección de subtonos CTCSS y códigos DCS 22 Ajuste CTCSS/DCS (R-CDC) en Recepción 23 Ajuste CTCSS/DCS (T-CDC) en Transmisión 23 Desvío de Frecuencia +/- (a través de repetidor) 23 Selección de Paso de Frecuencia 23 Banda Ancha/Estrecha 24 Roger Beep 24 Guardar/Borrar un Canal 24
Tabla de subtonos CTCSS: 50 tonos 26
Tabla de Codigos Digitales DCS: 105 tonos 27
Solución de Problemas 28
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Especificaciones Técnicas 29
Contenido:
• Transceptor CT 710
• Antena
• Pack de baterías Li-ion de 1600mAh
• Clip de cinturón
• Cargador de sobremesa con adaptador de corriente
• Guía rápida
Si falta alguno de los artículos mencionados o se ha dañado en el trans­porte, por favor notifíquelo a su distribuidor MIDLAND.
Mantenimiento
El CT710 es un producto electrónico de diseño avanzado y debe ser tra­tado con cuidado. Los consejos que le damos le ayudarán a cumplir las obligaciones de la garantía y a disfrutar de él durante muchos años.
• No intente abrir la unidad. La manipulación por personal inexperto puede dañarla.
• No almacene la radio bajo el sol o en zonas calientes. Las altas tempe­raturas pueden acortar la vida de los dispositivos electrónicos y puede deformar o derretir ciertos plásticos.
• No almacene la radio en sitios sucios o con polvo.
• Mantenga la radio seca. El agua de lluvia o la humedad corroen los
circuitos electrónicos.
• Si nota que la radio echa humo o huele de forma peculiar, apáguela inmediatamente y retire la bateria o retírela del cargador.
• No transmita nunca sin antena o si no está bien fijada (enroscada has­ta el fondo).
Funciones Principales
• Visualización de las dos bandas (VHF/UHF)
• Banda de frecuencias: 144-146MHz & 430-440MHz (Rx / Tx)
• Modo de trabajo: UHF-VHF, VHF-VHF o UHF-UHF
• Potencia de salida: 5W VHF /4W UHF
• 128 canales
• Secrafonía (se puede ajustar el nivel mediante el software)
• Compander (Compresor) (programable vía software)
• Función VOX
• 210 códigos DCS y 50 subtonos CTCSS
• Sintetizador de VOZ (sólo en inglés)
• Función emergencia SOS
• Ancho de banda de canales seleccionable entre 25kHz y12,5 kHz
• El display puede mostrar las siguientes opciones: nombre de canal +
número de canal, número de canal + frecuencia, número de canal o frecuencia
• Función de frecuencia invertida
• Escáner + Escaner canal prioritario
• Receptor de radio FM
• Pasos de frecuencia: 5 kHz, 6,25 kHz, 10 kHz, 12,5 kHz, 25 kHz,
• Potencia de transmisión seleccionable: alta (4-5W) o baja (1W)
• Pack de baterias de Li-Ion de 1600mAh
• Frecuencia Offset: 0-69,950 MHz
• Shift repetidor
• Bloqueo de canal ocupado (programable vía software)
• Indicador en el display del nivel de señal en Tx
• Indicación por voz de batería baja
• Tono Roger Beep al principio o fin de la transmisión
• Temporizador TOT (Time out timer)
• Bloqueo del teclado
• Escáner de frecuencias con CTCSS/DCS
• DTMF
• Reset de funciones y canales
• Tonos 1750 / 1450 / 2315 Hz para acceder a repetidor (programable
vía software)
• Jack para microauricular externo: 2 Pin tipo Kenwood
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Descripción del dispositivo
Display LCD
Indicadores:
Códigos DTMF
Radio FM
Función Vox
Frecuencia invertida (reverse)
Frecuencia offset +/-
Espaciado de canales ancho/estrecho
Activación código ID
Nivel de batería
Llamada de emergencia
Escáner
Escáner canal prioritario
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Compander (Compresor)
Subtonos CTCSS
Códigos DCS
Bloqueo de teclado
RSSI - Potencia de señal recepción/transmisión
Secrafonía
Número de menú/canal
Potencia de transmisión alta/baja
Banda A seleccionada
Band B seleccionada
Frecuencia
Transceptor
2
3
1
1
1
4
5 6
8
1. Encendido/Apagado y control de volumen
2. Mando de Selección
3. Antena
4. Display LCD
5. MENU
6. ENTER (Entrar en el menú de funciones y confirmar la selección)
7. Teclado alfanumérico
8. LOCK (Bloqueo del teclado)
9. T-R (Activación de la inversión de frecuencia)
10. VFO/MR (para cambiar los modos de la radio)
10
7 9
E
A
D
B
C
A Pulsador PTT (push to talk) B Tecla lateral 1: Selector de frecuencia A/B - single o dual band - radio
FM
C Tecla lateral 2: Tono 1750/1450/2315 (programable) o DTMF (pro-
gramable)
D Jack para microauricular externo E Seguro batería
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Operaciones básicas
Pulse la tecla lateral 1 durante dos segundos para pasar de doble-banda a mono-banda y viceversa.
Antena
Inserte la base de antena suministrada en el conector SMA girando en el sentido de las agujas del reloj, asegurándose de que está bien fija. Retíre­la girando en sentido contrario a las agujas del reloj, hasta que esté fuera del conector SMA.
Encendido / Apagado
Si quiere encender la radio, gire el mando PWR/VOL en sentido hora­rio hasta oir un pitido. Todos los iconos se enciende en el display. (Si el squlsch está activado, el altavoz no emite ningún sonido hasta recibir una señal). Puede ajustar el volumen deseado girando el mando. Si desea apagar la radio, gire el mando PWR/VOL en sentido anti-horario hasta escuchar un pitido. Los iconos y frecuencias desaparecen del display.
Monitor
Si mantiene pulsada la tecla ENTER durante dos segundos y ajusta el vo­lumen deseado con el mando PWR/VOL, escuchará un ruido de fondo sin esperar a recibir ninguna señal. Si pulsa la tecla PTT, el silenciador se activa.
Transmitiendo
Pulse la tecla PTT y hable de forma normal. Durante la transmisión el in­dicador se enciende en color rojo. Si habla muy cerca del micrófono (menos de 10cm) o en un tono muy alto, el audio se distorsionará y la recepción no será clara. Suelte la tecla PTT para poder recibir una respuesta de su interlocutor.
Selección de Modo
Puede seleccionar cuatro modos operativos diferentes:
1. Modo Doble-banda
2. Modo mono-banda
3. Modo canal
4. Modo frecuencia
Modo Doble-banda
Cuando se selecciona el modo doble-banda, el display muestra dos ban­das A ó B. Cuando aparece la banda A, se puede recibir y transmitir en esa banda, pero en la frecuencia de la banda B solo puede recibir y no transmitir. Ocurre lo mismo cuando en el display aparece la banda B. Para cambiar entre banda A ó B pulse brevemente la tecla lateral 1.
Modo mono-banda
Pulse la tecla lateral 1 durenate dos segundos. El display muestra:
R 145.025 T 145.025
Ahora la radio trabaja en modo mono-banda. Para cambiar a la otra ban­da, pulse la tecla lateral 1.
Modo Canal
Pulse la tecla VFO/MR para pasar a modo canal. Se pueden ver diferentes opciones:
• Muestra el número de canal actual
CH-001 el canal actual es el primer canal.
• Muestra el nombre y el número del canal actual
CH-001 nombre del canal actual en uso
(en este caso canal 1).
El nombre es programable vía software.
001
• Muestra las frecuencias de transmisión / recepción y el canal actual
canal actual
R 145.025 frecuencia de recepción T 145.025 frecuencia de transmisión
001
canal actual.
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Modo Frecuencia
‘MONO-BANDA’
R 430.02500 frecuencia de recepción
T 430.02500 frecuencia de transmisión
‘DOBLE BANDA’
A 145.025 B 430.025
Pulse la tecla lateral 1 durante dos segundos para cambiar entre los mo­dos de banda única o doble banda.
Función Radio
Este dispositivo incluye un receptor de radio FM. Pulse la tecla MENU y luego las teclas laterales 1 o 2 para el modo radio. Para escuchar la radio directamente, gire el mando de selección. Se pueden programar frecuencias mediante software; pulse VFO/MR para pasar a las frecuencias programadas. Para salir, pulse la tecla MENU y despues las teclas laterales 1 o 2.
Definición de las Teclas Laterales
Mediante el programador, las teclas laterales se pueden definir como:
1. Código de llamada DTMF
2. Envío del código 1450Hz
3. Envío del código 1750Hz
4. Envío del código 2315Hz
Cuando se haya definido como una de las opciones anteriores, pulse la
tecla lateral para activar la función seleccionada.
MENU →
ENTER →
A VFO/MR → C
B Tecla lateral 2 → D
DTMF programado por software
(vea las instrucciones del software de programación)
Una vez se ha programado en los canales deseados la función llamada por señalización DTMF, pulse la tecla lateral 2 y el display mostrará DTMF. Ahora puede introducir el código DTMF de 8 dígitos. Si el número introducido es erroneo y quiere cambiarlo, gire el mando de selección. Girando en sentido contrario a las agujas del reloj se borra de uno en uno; Gire en sentido de las agujas del reloj para salir de la función DTMF. Intro­duzca el número deseado y pulse PTT para realizar una llamada. Cuando su interlocutor recibe el código correcto, la función de indentificación por por DTMF estará realizada.
Operación ANI PTT-ID
ANI significa Automatic Numbering Identification (Identificación Auto­mática por Numeración). Puede ajustar un número de identificación automática visible en la radio de su interlocutor cada vez que realiza una llamada. Esta función debe de activarse en las dos radios y se tiene que programar por software (vea las instrucciones del software de programación).
Código DTMF
Esta radio tiene la función DTMF. En modo de transmisión, pulse los números en el teclado o la tecla lateral y se emitirá el código DTMF correspondiente. El código DTMF emitido por el teclado es como sigue:
MENU significa A, ENTER significa B, VFO/MR significa C, FM significa D.
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Acceso Rápido a Funciones
MENU + 0 Ajuste de ANI
MENU + 1 Modo escáner
MENU + 2 Modo escáner de prioridad (solo en modo VFO)
MENU + 3 Ajuste sensibilidad del VOX
MENU + 4 Ajuste de la potencia de salida
MENU + 5 Ajuste de squelch
MENU + 6 Ajuste de secrafonía on/off
MENU + 7 Ajuste de retroiluminación on/off
MENU + 8 Ajuste del color de la retroiluminación
MENU + 9 Tonos del teclado on/off
MENU + # Ajuste de CTCSS/DCS transmisión / recepción
MENU + * Ajuste de desvío de frecuencia S-D +/-
Menú de funciones
Modo de Operación
Para entrar en el menú de funciones, proceda como sigue: Pulse MENU para entrar en el modo menú. Gire el mando de selección hasta encontrar el menú deseado. Pulse ENTER en el menú seleccionado para realizar los ajustes: pue­de pulsar la tecla numérica directamente, pero para alguans funciones como TOT, Voz, Frecuencia offset, tiene que girar el mando rotatorio de selección para encontrar la opción deseada. Pulse ENTER para confirmar el ajuste seleccionado. Cuando haya completado todos los ajustes, pulse VFO/MR para salir del modo menú.
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