Midland CT990 Handbuch

DUAL BAND VHF / UHF TRANSCEIVER

 INSTRUCTION GUIDE

CT990

SPECIAL FEATURES

Ultra high

output power IP67

certiﬁed Dead man

function

10W

Midland CT990 instruction guide

Index

The package includes 1

Maintenance 1

Main features 2

Main controls and parts of the radio 3

Radio buttons 3

LCD Display 5

Working modes available 7

Battery recharge - How to use the desktop charger 7

Functions and Menu 8

Menu list 8

Squelch level (Squelch-Level) - Menu Utilities 1 9

High/low power selection (TX Power) - Menu Utilities 2 9

Step di Frequenza (Step) - Menu Utilities 3 9

Frequency oset (O-Set) - Menu Utilities 5 10

Wide/narrow bandwidth (Bandwidth) - Menu Utilities 6 10

Transmitting with CTCSS tones (TX QT/DQT) - Menu Utilities 8 11

Receiving and transmitting with the same CTCSS/DCS tone -

Menu Utilities 9 11

DQT mode - Menu Utilities 10 11

Scan of frequencies with CTCSS (Seek QT) - Menu Utilities 11 12

Scan of frequencies with DCS (Seek DQT) - Menu Utilities 12 12

VOX (VOX function) - Menu Utilities 13 12

VOX sensitivity (VOX Level) - Menu Utilities 14 12

VOX Delay - Menu Utilities 15 13

Midland CT990 instruction guide

TOT function (Time Out Timer) - Menu Utilities 16 13

Roger Beep, end transmission tone (ROGER BEEP) -

Menu Utilities 17 13

Power save (RX SAVE) - Menu Utilities 19 14

SCAN (SCAN MODE) - Menu Utilities 20 14

Dual Watch function (DUAL WATCH) - Menu Utilities 21 15

Beep tone (BEEP) - Menu Utilities 22 15

Voice function (VOICE) - Menu Utilities 23 15

FM radio interruption (FM INTERRUPT) - Menu Utilities 24 15

Backlight brightness (Brightness) - Menu Utilities 26 16

ID (ID VERIFICATION) - Menu Utilities 27 16

Transmitting the ID code (PTT-ID) - Menu Utilities 28 16

Keypad lock (LOCK MODE) - Menu Utilities 30 17

Side tone (Side Tone) - Menu Utilities 31 17

Power on image (POWER ON DISPLAY) - Menu Utilities 33 18

Welcome message (POWER ON MSG) - Menu Utilities 34 18

Battery voltage (VOLTAGE) - Menu Utilities 35 19

Man down (MAN DOWN) - Menu Utilities 36 19

Functions enabled in channel mode only 20

Adding a channel to scan (SCAN LIST) - Menu Utilities18 20

Setting the priority channel (SCAN PRIORITY) - Menu Utilities 19

Working modes (CH-Freq + CH-Display) - Menu Utilities 34 20

Channel name (CHName) - Menu Utilities 35 21

Reset 21

Troubleshooting 22

Technical speciﬁcations 23

Midland CT990 instruction guide | 1

The package includes

• CT990 transceiver

• Belt clip

• Antenna

• Li-Ion battery pack 2800mAh

• Desktop charger

• Wall adaptor

• Wrist belt

If any item is missing, 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.

• 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 tempe-

ratures 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 diuses peculiar smell or smoke, please shut o

its power immediately and take o the charger or battery from the Radio.

• Do not transmit without antenna.

• Do not use detergents, alcohol, solvents or abrasives to clean the radio. Just

use a soft clean cloth.

2 | Midland CT990 instruction guide

Main features

• Dual band (VHF/UHF) displayed

• Frequency band (to set according to country/area of use): 144-146 MHz

& 430-440MHz (Rx / Tx).

• Working mode: UHF-VHF, VHF-VHF or UHF-UHF

• Ultra high output power: 10W VHF / UHF

• IP67 certiﬁed

• High performance antenna

• Ultra clear voice

• Dead Man function

• DQT function (private conversations)

• 257 memory channels

• Wide colorful LCD display

• Li-Ion battery pack 2800mAh

• Repeater tones

• Individual/group selective calls

• Side tone: end transmission noise muer

• VOX function

• 83 + 83 DCS codes and 38 CTCSS tones

• Voice annoucement “VOICE”

• Selectable channel spacing 25kHz/12,5 kHz

• Channel number, channel number+frequency, channel name displayed

• Reverse frequency

• Scan

• FM radio

• Frequency step: 0.5Khz, 2.5KHz, 5 kHz, 6.25 kHz, 10 kHz, 12.5 kHz, 25

kHz, 37.5KHz, 50 kHz or 100kHz

• Selectable output power: high (10W) or low (5W)

• Frequency oset

• Shift repeater

• ”Busy channel lock out” function

• Output power level indicator on the display

• Low battery voice indicator

• Roger Beep

• TOT (time out timer)

• Keypad lock

• Function/channel reset

Midland CT990 instruction guide | 3

Main controls and parts of the radio

Radio buttons

CT990

1. Antenna

2. Encoder: rotate it to select the desired channel

3. Power / Switch / Volume control: Rotate to turn on/o CT990 and to

adjust the volume

4. Led: transmission (red) / reception (green)

5. LCD Display

6. Microphone

7. < Back: press to exit the Menu and functions. A/B (appears on the di-

splay):push to select the desired frequency (VHF or UHF) in the main

or secondary display.

4 | Midland CT990 instruction guide

8. VFO/MR: push to switch from channel to frequency mode or viceversa.

9. */ : press for 2 seconds to lock the keypad

10. Alphanumerical keypad

11. ▲/▼keys: push to select functions / Menu

12. Menu: press to enter the Menu functions and to conﬁrm your selections.

13. Side-key CALL: Selective call/Transmission on the secondary frequency.

This control is useful to send out the selective call or the 1750Hz repeater

tone.

14. PTT

15. Side key MON: Keep pressed to activate the Monitor feature .

16. Holes for the belt clip

17. MIC/SP: external speaker/mike jack 2 Pin Kenwood.

18. 2800mAh Li-Ion battery oack.

Midland CT990 instruction guide | 5

LCD Display

This icon indicates where the radio is operating, in which fre-

quency or function. The arrow is displayed close to the fre-

quency band in use.

Frequency set in the main display (this frequency is only indi-

cative)

Frequency set in the secondary display (indicative frequency)

Memory channel

Menu Menu

icon relevant to Back control

Operating band signal

FM radio

Battery save function enabled

Beep on

Man Down function activated

DTMF message received

Keypad lock activated

Battery level indicator

6 | Midland CT990 instruction guide

Operating band

Scan function activated

High power indicator; in case the low power is selected, the

display will show L

Bandwidth. W = wide; N = narrow

DCS code enabled; or “C “ will appear on the display if a CTCSS

tone is activated

VOX function enabled

identiﬁcation code

Busy channel lockout function activated

End tone (end transmission noise muer) activated

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