Johnson II VOX

Johnson II VOX User manual ENG

TXPR667

- DIN size
- 40 channels AM / FM
- 12 / 24 V
- Up/down channel selector
- Volume adjustment and ON/OFF
- Manual squelch and ASC
- Multi-functions LCD display
- S-meter
- ANL filter, NB and HI-CUT
- Local DX key
- Channels and memories scan
- 3 Memories
- F function key
- Beep Function
- Roger beep
- VOX
- Mode switch AM / FM
- Dual watch
- Preset 9/19
- Front microphone plug
- External loudspeaker jack
- Front loudspeaker
Back light color: Orange ,Green, Blue

Specifications:
Supply : 13.2 V / 24 V
Number of channels : 40
AM : Yes
FM : Yes
Channel selector : up / down
Volume : Volume adjustment and ON/OFF
Squelch : Manual squelch
ASC : Yes
Display : LCD multifunction
S-meter : Digital
Vox : Yes
Filter ANL : Yes
Filter NB : Yes
Filter HI-CUT : Yes
Local DX key : Yes
Scan : Yes
Memory : 3
F / Menu function key : Yes
Key Beep : Yes
Dual watch : Yes
Preset channel : 9 / 19
Front loudspeaker : Yes
Microphone plug : front (6 pins)
External Vox microphone jack : Yes
External loudspeaker jack : Yes
Size : 170 (W) x 150 (D) x 52 (H)
DIN Size : Yes
Weight : 1 kg

Technical characteristics:

General:
Number of channels : 40
Modulation modes : AM / FM
Frequency ranges : from 26.965 MHz to 27.405 MHz
Antenna impedance : 50 ohms
Power supply : 12 V / 24 V
Size : 170 (W) x 150 (D) x 52 (H)
DIN Size : Yes
Weight : 1 kg
Accessories supplied : power cord with fuse
1 microphone UP/DOWN and its hanger
1 mounting bracket with fixing screws

Transmission:
Frequency allowance : +/- 300 Hz
Carrier power : 4 W AM / 4 W FM
Transmission interference : inferior to 4 nW (- 54 dBm)
Audio response : 300 Hz to 3 KHz in AM/FM
Emitted power in the adj. channel : inferior to 20 μW
Microphone sensitivity : 3,0 mV
Drain : 2 A (with modulation)
Modulated signal distortion : 1,8 %

Reception:
Maxi. sensitivity at 20 dB sinad : 0.5 μV - 113 dBm (AM/FM)
Frequency response : 300 Hz to 3 kHz in AM/FM
Adjacent channel selectivity : 60 dB
Maximum audio power : 3 W
Squelch sensitivity : minimum 0.2 μV - 120 dBm / maximum 1 mV - 47 dBm
Frequency image rejection rate : 60 dB
Intermediate frequency rej. rate : 70 dB
Drain : 400 mA nominal / 1000 mA maximum