Table of Contents
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Content
•
1 CT 790 transceiver
•
1 high gain antenna
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1 Li-ion battery pack
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1 desktop charger
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1 belt clip
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1 hand strap
If any item is missing or have been damaged during the shipment, please notify your MIDLAND
dealer.
Maintenance
Your Two Way Radio 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.
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Do not attempt to open the unit. Non-expert handling of the unit may damage it.
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Do not store the Radio under the sunshine or in hot areas.
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High temperatures can shorten the life of electronic devices, and warp or melt certain plastics.
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Do not store the radio in dusty and dirty areas
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Keep the Radio dry. Rainwater or damp will corrode electronic circuits.
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If it appears that the Radio diffuses peculiar smell or smoke, please shut off its power immedia-
tely and take off the charger or battery from the Radio.
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Do not transmit without antenna.
Main functions
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Dual Band, Dual Frequency, Dual Display and Dual Standby
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Frequency Range: 144-146MHz & 430-440MHz (Rx / Tx).
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Working mode: U-V, V-V or U-U available
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Same channel: VHF T x & UHF Rx or UHF T x & VHF Rx available
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DTMF Encoding
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Digital FM Radio (76-108MHz)
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CTCSS/DCS Frequency Scan
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Output power: 5W VHF /4W UHF
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Memory Channel: 128 channels
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VOX Function
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Stopwatch Function
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105 groups DCS and 50 groups CTCSS
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Voice Prompt
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SOS Function
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Wide/Narrow Bandwidth selection (25KHz / 12.5KHz)
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Channel number, Channel + Frequency or Channel name display mode available
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Multi-functional Scan
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Bright Flashlight illumination
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Step (5/6.25/10/12.5/25KHz/50KHz/100KHz)
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High/Low Power selection (5W/1W)
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High Capacity Li-ion Battery
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Intelligent Charger
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Offset Frequency setting (0-69.950MHz)
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Frequency shift Direction Setting
1
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Table of Contents
Related Manuals for Midland ct 790
Summary of Contents for Midland ct 790
- Page 1 1 belt clip • 1 hand strap If any item is missing or have been damaged during the shipment, please notify your MIDLAND dealer. Maintenance Your Two Way Radio is an electronic product of exact design and should be treated with care.
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Page 2: Description Of The Device
• Busy Channel Lockout • Power on Display (Battery-V/Full Screen/Other Characters) • Low-battery Voice Prompt • Start and/or End Transmitting Beep Prompt • Transmit overtime Prompt • Keypad Locked (Auto / Manual) • High/Low power switchable when transmitting • Menu/Channel Reset DESCRIPTION OF THE DEVICE LCD display Busy channel locked... - Page 3 Transceiver ▲/▼ keys Encoder Knob Keypad Power switch/volume control Function key Transmission led LCD display Single/dual band switch key key for Master Frequency Exit Reception led Reverse frequency/Scan key Antenna Lock key/Stopwatch timer key Lamp (push to talk)key Ext. speaker/microphone jack Side key1: Scan/Lamp/SOS-CH/Radio Battery latches Side key2: monitor (long press)/flashlight (short press)
- Page 4 Quick Search Press ▲ or ▼ key to set Functions or Parameters. To select the working mode (Channel mode or Frequency mode) With the radio turned on, keep the Menu button pressed Single/Dual Band Switch Press the TDR key Quick Re-start of the transceiver In standby Mode, press MENU + the A/B key. The LCD will display “Step” . Press the MENU key to confirm.
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Page 5: Description Of The Functions
DESCRIPTION OF THE FUNCTIONS CT790 displays at the same time 2 frequency bands. The frequency band pointed with the arrow is the master frequency and it is used to transmit; the other one is the vice frequency and only can be used to receive. - Page 6 BEGIN/END TRANSMISSION TONE (ROGER) --- MENU 5 Thanks to this function you can select the Roger Beep tone among: OFF: Roger Beep turned off (no tones). BOT: Roger Beep tone heard when the PTT button is pressed (when transmission begins) EOT: Roger Beep tone heard when the PTT button is release (when transmission ends) BOTH: Roger Beep tone heard when you press and release the PTT button In standby mode, press MENU + 5.
- Page 7 the transmission reaches the TOT; level 2 prompt 2 seconds before the TOT and so on... In standby mode, press MENU + 10. The screen will display “TOA”. Press MENU to enter the function. Press the ▲/▼ buttons to select OFF or 1 of the 10 levels, then press MENU to confirm. To return to the standby mode press EXIT. BEEP TONE (BEEP) --- MENU 11 If you enable this function, every time a button is pressed, you will hear a Beep tone.
- Page 8 and have set the same CTCSS tone. In frequency mode, press MENU + 15. The screen displays “R-CTC”. Press MENU to enter the function. Press the ▲/▼ buttons to turn OFF this function or to select a CTCSS tone from 67.0Hz to 254.1Hz, then press MENU to confirm. To return to the standby mode press EXIT. NOTE: This transceiver has 50 CTCSS groups. TRANSMIT WITH CTCSS (T-CTCSS) --- MENU 16 In standby mode, press MENU + 16.
- Page 9 SCAN/LAMP/SOS-CH/RADIO FUNCTION on Side key 1 (PF1) --- MENU 20 There are four functions available with the side key 1 of this transceiver: SCAN: Scan function LAMP: Display illumination SOS-CH: SOS function RADIO: FM radio OFF: Functions turned off 1. Scan function: In standby mode, press MENU + 20.
- Page 10 Store the radio stations: While the radio is searching the station, press MENU. The screen will display “SAVE?”, then you can enter any number key between 1 and 9 key. The station will be stored into the transceiver’s chip. The transceiver has two radio-channels storable groups. As default, the group used for storing the channels is the group 1.
- Page 11 FREQUENCY SHIFT DIRECTION (SFT-D) ---- MENU24 In standby mode, press MENU + 24. The screen will display “SFT-D”. Press MENU to enter the function. Press the ▲/▼ buttons to select +/-/OFF, then press MENU to confirm. To return to the standby mode press EXIT. + (positive offset): If the transmitting frequency is higher than the receive one. - (negative offset): If the transmitting frequency is lower than the receive one.
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Page 12: Dtmf Encoding
CHANNEL DELETION (DEL-CH) ------ MENU 28 In standby mode, press MENU + 28; the screen will display “DEL-CH”. Press MENU to enter the function. Press the ▲/▼ buttons to select the channel you want to dele- te, then press MENU to confirm. To return to the standby mode press EXIT. RESET ---- MENU 29 This transceiver has two Reset modes available: VFO and ALL. RESET VFO: all the parameters of the functions will return on the default set. RESET ALL: all settings of the transceiver return on the default set. -
Page 13: Battery Charge
LOW- POWER BATTERY VOICE PROMPT When the battery pack has low power, the transceiver will sound “low battery pack”, and the LED will blink every 5 seconds. TRANSMISSION OVERTIME PROMPT When a transmission exceed the pre-set time, there will be a sound warning “transmit overtime” and the transmission will stop. - Page 14 TABLE OF SOLUTIONS PROBLEM SOLUTION The battery may be exhausted. Recharge it. The radio doesn’t switch on Uncorrected installation. Re-install it. The battery pack is over. Change it with a new one. Battery recharge doesn’t last long Battery pack is not completely charged. Make sure the volume is not too low Reception led turns on but no sound heard Make sure to have the same CTCSS and DCS...
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Page 15: Technical Specifications
TECHNICAL SPECIFICATIONS Frequency Range ............... 144-146MHz & 430-440MHz (Rx / Tx) Memory channels ....................... 128 channels Operating Voltage ........................7.4V Operating Temperature ................... -30°C to + 60°C Working Mode ....................monoband/dualband Output Power....................VHF: 5W / UHF:4W Modulation ..........................F3E(FM) Max. Frequency Deviation ....................≤ ±5KHz Spurious Radiation ......................