CRT SS 7900 User Manual
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CRT SS 7900 User Manual

10 meter amateur radio
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Arturo
March 23, 2025

Crt 7900, al pulsar Mode para entrar en ctcss, me da error, podrían ayudarme? Muchas gracias

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1 comments:
Mr. Anderson
March 23, 2025

To enter CTCSS mode on the CRT SS 7900 without getting an error:

1. Long press the MODE button for 2 seconds until the LCD displays "CTCSS" or "DCS."
2. Press the PUSH button to set CTCSS/DCS.
3. Turn the channel switch to select the desired CTCSS frequency.
4. Press PUSH again to store the setting and exit.

Note: This function is available only if the optional CTCSS board is installed.

This answer is automatically generated

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Summary of Contents for CRT SS 7900

  • Page 2 USER MANUAL 10 Meter Amateur Radio Copyright CRT France 2015...
  • Page 4 and EN 62311.

  • Page 6: Table Of Contents

    CONTENTS FUNCTIONS & FEATURES ..............1 STANDARD ACCESSORIES ..............2 INSTALLATION ..................2 GETTING ACQUAINTED ..............5 HOW TO USE YOUR RADIO ...............7 KEYPAD FUNCTION ................9 BACKGROUND FUNCTION MENU OPERATION ......12 SPECIFICATIONS ................13...

  • Page 7: Functions & Features

    FUNCTIONS & FEATURES Big LCD displays frequency and all kinds of information ◆ 、AM、USB、LSB、PA mode ◆ Frequency Tuning Step 100Hz ◆ 、1KHz、10KHz、100KHz、1MHz ±1.5KHz CLARLFILER Adjustment ◆ Flexible Menu Function and PC Program Software ◆ ECHO Function ◆ SQ, ASQ Function (FM and AM mode only) ◆...

  • Page 8: Standard Accessories

    STANDARD ACCESSORIES Radio Microphone Mounting Bracket Microphone Non-slip Hanger Screws for Pads for Adjusting Spare Fuses Self-tapping power cord bracket bracket screws Screws (10A,250V) INSTALLLATON Choose the most appropriate setting from a simple and practical point of view. Your radio should not interfere with the driver or crash the driver's knee or leg when rush brake.

  • Page 9: Installation

    ANTENNA INSTALLATION Before using this radio, please install a high efficent and harmonious adjusted CB antenna, suitable antenna type and correct installation will bring excellent communication. To match with the radio, the antenna and cable shall with characteristic impedance of 50ohm, or the antenna system will not efficient enough and will disturb TV, radio or other electronics.
  • Page 10 Replacing Fuse This radio adopt 10A, 250V fuse. If the fuse blows, determine the reason, then correct the problem. After the problem is resolved, replace the fuse. If newly installed fuses continue to blow, disconnect the power cable and contact your autho-rized dealer or an authorized servicecenter: Pull the two fuse cover in difference direction and open it.

  • Page 11: Getting Acquainted

    GETTING ACQUAINTED Front Panel No. Key Functions Switch between channel mode and frequency mode、offset setup BAND Switch band: A-I、ECHO setup MENU Function Menu key MODE Switch mode(FM、AM、USB、LSB、PA)、TSQ setup Dual-watch scan、Frequency+10K function RB function、Beep voice prompt function NB function、HI-CUT function SCAN Scan、Scan add、Scan delete Use, store or delete memory channel Emergency Channel;...
  • Page 12 Rear Panel ANT. PA.SP. EXT.SP. POWER + No. Functions External SP Jack External PA Jack Antenna Jack Power Supply Jack Microphone Channel Down Channel UP PTT button RJ45 connector Microphone cable...
  • Page 13 LCD Display 12 15 14 17 16 20 RX Signal strength indicator. TX Signal strength indicator. SWR strength indicator. Model name Indicator. Appears when the Keypad lock function is ON. Appears when press MENU key. FUNC Appears when using Emergency channel. Appears when adjust SSB clarifier frequency.

  • Page 14: How To Use Your Radio

    HOW TO USE YOUR RADIO OFF/ON Radio Turn VOL clockwise to switch on the radio, the radio emit a beep. When the LCD displays frequency or channel, the radio is on. Turn VOL anti-clockwise to switch off the radio, the radio is OFF when hear Ka Ta from the switch.

  • Page 15: Keypad Function

    Frequency control In frequency mode, press 【PUSH】key, then you can adjust frequency for present channel. When the frequency is flashing, turn CH clockwise to increase frequency, anti- clockwise to reduce frequency. When the frequency is flashing, press 【PUSH】again to adjust frequency step size.
  • Page 16 CTCSS/DCS Function Long press 【MODE】for 2 seconds to enter CTCSS/DCS function, LCD displays "CTCSS" or "DCS"; Press 【PUSH】to set CTCSS/DCS, turn channel switch to select CTCSS/ DCS, then Press【PUSH】to store and exit. OFF: Turn off CTCSS/DCS function; CTCSS: 67.0~250.3Hz, Total 38 groups; DCS: D023N~D754N, Total 104 groups;...
  • Page 17 【SCAN/SKP】 Scan function Short press 【SCAN】to enter scan function, LCD displays "SC"; In scan mode, Turn channel switch will change scan direction. Short press 【SCAN】again to exit. Add/delete scan list function Long press 【SCAN】for 2 seconds to add or delete the current channel from scan list;...

  • Page 18: Background Function Menu Operation

    BACKGROUND FUNCTION MENU OPERATION Press 【MENU】for 2 seconds to enter menu list; Turn Channel switch to select menu No.1 to No.10; Press 【PUSH】to enter the menu setup; Turn channel switch to select wanted setup; Press any other key or wait 5 seconds, the setting will be stored and exit. Function LCD Display Values and Descriptions...
  • Page 19 CTCSS code Freq. (Hz) Freq. (Hz) Freq. (Hz) Freq. (Hz) 67.0 97.4 136.5 192.8 71.9 100.0 141.3 203.5 74.4 103.5 146.2 210.7 77.0 107.2 151.4 218.1 79.7 110.9 156.7 225.7 82.5 114.8 162.2 233.6 85.4 118.8 167.9 241.8 88.5 123.0 173.8 250.3 91.5...

  • Page 20: Specifications

    SPECIFICATIONS GENERAL Frequency Range 28.000-29.700MHz(Programmable) Frequency Band A/B/C/D/E/F/G/H/I Channel 40channels(programmable)in each band Frequency Control Phase-Locked-Loop Synthesizer Frequency Step 100Hz、1KHz、10KHz、100KHz、1MHz Frequency Tolerance ± 5.00 ppm Temperature Range -20℃ to +50℃ Microphone with push-to-talk /UP/DN and coiled cord Input Voltage 13.8V Dimensions (in mm) 250(W) x 280(L) x 60(H) Weight 1.5kg...
  • Page 21 RECEIVER SSB: 0.25μV for 10dB(S+N)/N at greater than 1/2-watt of audio output AM:1.0μV for 10dB(S+N)/N at Sensitivity greater than 1/2watt of audio output FM: 1.0μV for 20 dB (S+N)/N at greater than 1/2 watt of audio output Adjacent-Channel Selectivity AM/FM: 60dB SSB: 70dB Image Rejection More than 65dB...
  • Page 22 - If you send back a radio under guarantee for repair : you must pay the freight costs to go. CRT will pay the freight costs return. If the radio is not under guarantee postal charges are at your expense.

  • Page 23: Declaration Of Conformity

    We hereby declare under our responsibility that the product : Description : mobile transceiver HF amateur radio Brand : CRT Model : SS 7900 Satisfies all the technical regulation applicable to the product within the scope of directive R .TTE 1999/5/CE and european standarts.

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