Power on pressing Menu and Mode buttons .![Crt Ss 7900 Service Manual Crt Ss 7900 Service Manual](/uploads/1/3/4/7/134713884/249704517.png)
Through the channels except 1 to 3 and only 15 available (no values/error 1 to 3) then channels 4 to 15 if one sits on the channel and a quick single press of the channel selector brings up a value , press mode to go back previous view .
5 FRQ0F 'blank'
6 BFO 0508
7 AFR 0519
8 CTSS 0038
9 DCS 0028
10 SUL36 0754
11 SUL01 0018
12 SFA36 0859
13 SFR01 0017
15 RsiTx 0047
What they do and apart from a 'obvious' answer like , sets the BFO from the Peanut gallery , whats the go ?
I have seen mention like use a frequency counter on test point 'whatever' and adjust the value for a 'whatever' .
So anyone donate their knowledge in the finer details of the above ? , ctss/dcs/asq would not be a concern i think for my purposes but the others would be interesting to know about .
![7900 7900](/uploads/1/3/4/7/134713884/347229918.jpg)
![Crt Ss 7900 Service Manual Crt Ss 7900 Service Manual](/uploads/1/3/4/7/134713884/249704517.png)
Through the channels except 1 to 3 and only 15 available (no values/error 1 to 3) then channels 4 to 15 if one sits on the channel and a quick single press of the channel selector brings up a value , press mode to go back previous view .
Delivery time: 1-2 Days. Description; More; A new high power 10m mobile radio with a super large LCD display, offering all the features you could ask for in a mobile 10m radio. The radio is PC programmable and can also be programmed for any frequencies from 25-30MHz (for use where allowed). CRT cathode ray tube CSM 1. Compaq system management 2. Compaq server management DAC digital-to-analog converter DC direct current DCH DOS compatibility hole DDC Display Data Channel DDR Double data rate (memory) DIMM dual inline memory module DIN Deutche IndustriNorm (connector type) DIP dual inline package DMA direct memory access. Manual: Service Manual Superstar 158DX: Picture: Service Manual Superstar 360FM: Service Manual Superstar 2200: Service Manual Superstar 3300: Specifications: Superstar 95: Superstar 120: Superstar 120FM: Superstar 120T: Service Manual Superstar 3500: Manual: Service Manual Superstar 3900: Picture: Schematic Superstar 120FM: Schematic. WANTED CRT SS 7900 RADIO. Request radio related items you are looking or wish to part exchange in here. Be sure to read the rules before posting!
4 FRQ 05015 FRQ0F 'blank'
6 BFO 0508
7 AFR 0519
8 CTSS 0038
9 DCS 0028
Crt Ss 7900 Service Manual Transmission
10 SUL36 0754
11 SUL01 0018
12 SFA36 0859
13 SFR01 0017
Crt Ss 7900 Service Manual Pdf
14 ASQ 003815 RsiTx 0047
What they do and apart from a 'obvious' answer like , sets the BFO from the Peanut gallery , whats the go ?
I have seen mention like use a frequency counter on test point 'whatever' and adjust the value for a 'whatever' .
So anyone donate their knowledge in the finer details of the above ? , ctss/dcs/asq would not be a concern i think for my purposes but the others would be interesting to know about .
QYT KT-7900D
Quad band 144/220/350/440MHZ Mobile radio 25Watts Strong Core Large LCD
Functional Features
- Quad Band, Quad-Standby
- External Speaker/PTT
- Mini Size
- PC Program
- Remote Stun, Remote Activate, Remote Kill.
- DTMF function, 2 tone, 5 tone
- PTT – ID code
- Repeater Function
- 25 power output
- FM radio
- Alarm function
- Monitor
GENERAL SPECIFICATIONS
Frequency range | VHF: 136-174MHz (220~260MHz) UHF: 400~480MHz (350~390MHz) |
Channel capacity | 200 channels |
Channel Spacing | 25KHz / 20KHz / 12.5KHz |
Channel step- | 2.5KHz / 5KHz / 6.25KHz / 10KHz / 12.5KHz / 25KHz |
Working Voltage | 13.8V DC ±15% |
Squelch way | CARRIER / CTCSS / DCS / 5Tone / 2Tone / DTMF |
Frequency stability | ±2.5ppm |
Operating temperature | -20~+60C |
Dimension | 98 [ W ) x 43 ( H ) x126 ( D ) mm ( 103x47x 126 mm ) |
Weight | 448g |
Receiver (ETSI EN 300 086 Standardized.Test)
Wide Band | Marrow Band | |
Sensitivity | =s0.25nV | sO.35.uV |
Adjacent Channel Selectivity | 3s70dB | 5*60dB |
Intermodulation | s65dB | &60dB |
Spurious Rejection | ^70dB | S=70dB |
Audio response | +1 — 3dB (0.3~3KHz) | +1 — 3dB (0.3~2.55KHz) |
Hum & Noise | 3=45dB | &40dB |
Audio Distortion | • 5% | |
Audio output power | i?2W@10% |
Transmit (ETSI EN 300 086 Standardized.Test)
Wide Band | Narrow Band | |
Output power | 25W/20W(VHF/UHF) | |
Modulation Mode | 16K<r>F3E | 11KOF3E |
Adjacent Channel Selectivity | &70dB | 5=60B |
Hum & Noise | s40dB | 36r:B |
Spurious Emission | =–60dB | 3=60dB |
Audio response | +1 ~-3dB (0.3~3KHz) | +1~-3dB (0.3~2.55KHz) |
Audio distortion | • 5% |
KT-7900D Software (2016-10-29) (2016-10-29)
![7900 7900](/uploads/1/3/4/7/134713884/347229918.jpg)
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