Midland CT 710 Manual

CT 710
”Instruction guide
VHF/UHF TRANSCEIVER |

2 | CT710 Instruction Guide CT710 Instruction Guide | 3
Sommario
Content: 4
Maintenance 4
Main functions 5
Description of the device 6
LCD display 6
Transceiver 8
Basic operations 10
Antenna 10
Turning on and off the power 10
Monitoring function 10
Transmitting 10
Select Mode 10
Dual-band mode 11
Channel Mode 11
Frequency Mode 12
Radio Function 12
The Flank Key Definition 12
DTMF Code 12
DTMF programmed by software 13
ANI PTT-ID Operation 13
Shortcuts Operation 14
Menu function 15
Menu Operation 15
Menu Function List 16
Menu Function introduction and setting 18
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
Technical Specification 29

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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 war-
ranty 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 tem-
peratures 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

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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
Compander
CTCSS tone
DCS code
Keypad lock
RSSI - Potenza segnale ricevuto/trasmesso
Scrambler
Menu/channel number
High/middle/low power transmitting
Band A selected
Band B selected
Frequency

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Transceiver
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)
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
EBattery latches
1
2
1
1
6
5
3
8
4
10
7
9
A
B
C
D
E

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Basic operations
Antenna
Insert the base of the supplied antenna into the SMA connector by rota-
ting 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 desi-
red 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 wi-
thout 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 transmit-
ting 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 re-
ception 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 single-
band 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 recei-
ve 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 current channel
• Display the receive / transmit frequency and the current channel
R 145.025 receive frequency
T 145.025 transmit frequency
001 current channel.

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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 single-
band 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.
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.
MENU → AVFO/MR → C
ENTER → 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 di-
splay 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).

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Shortcuts Operation
MENU + 0ANI setting
MENU + 1scan mode
MENU + 2priority scan mode (only in VFO mode)
MENU + 3VOX Sensitivity setting
MENU + 4output power setting
MENU + 5SQ adjust
MENU + 6scrambler on/off setting
MENU + 7backlight on/off setting
MENU + 8backlight color setting
MENU + 9beep 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 op-
tion. Press ENTER to confirm the selected setting.
When you have completed all the setting, press VFO/MR to exit the Menu
mode.

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

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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 transmit-
ting.
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 re-
main about 5 seconds but the radio will continue to scan even if the si-
gnal 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 chan-
nel 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 chan-
nel, 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 betwe-
en High (H) and Low (L).

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In channel/frequency mode, press MENU and 4PWR: the screen will di-
splay ”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 under-
standing 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 Ma-
nual-lock.
Press ENTER: the display will show “AUTO”(keypad lock turns on auto-
matically).
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 unlo-
cked.

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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 displa-
yed. 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 de-
pends 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.

24 | CT710 Instruction Guide CT710 Instruction Guide | 25
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.
• Reset
Delete the parameters of frequency mode (Reset VFO)
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?”.
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.

26 | CT710 Instruction Guide CT710 Instruction Guide | 27
CTCSS tone table: 50 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
DCS: Digital code 105 tones
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

28 | CT710 Instruction Guide CT710 Instruction Guide | 29
Table of solutions
PROBLEM SOLUTION
The radio doesn’t switch
on
The battery may be exhausted. Recharge it.
Uncorrected installation. Re-install it.
Battery recharge doesn’t
last long
The battery pack is over. Change it with a
new one.
Battery pack is not completely charged.
Reception led turns on
but no sound heard
Make sure the volume is not too low
Make sure to have the same CTCSS and DCS
codes of your group
The keypad doesn’t work The keypad lock function hasn’t been ena-
bled.
In standby, the radio
transmits without
pressing PTT
VOX level has been set too low. Adjust it.
Some functions cannot
be stored
Ensure to be on Channel mode. In Channel
mode some functions can be set only
through the programming software.
Reception of other
group signal while
transmitting
Select another CTCSS/DCS for your group
Technical Specification
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.

WWW.MIDLANDRADIO.EU |
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 attentamen-
te 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: [phone] Fax: [phone]
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.