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Welz WS2000 Wide Band Receiver
Specifications
Vintage 1997
Type Handheld
Range 100kHz - 1300MHz
Channels 800
Banks 10
Modes AM, FM, WFM
Priority 1 channel
Conversion Double?
Scan 8 channels/second
Search 20 steps/second
Audio 90mW at 10% THD
Power 2 AAs
Size 2.3"(W) x 3.8"(H) x 0.9"(D)
Weight 200g(w/batt & ant)
Interfaces BNC, speaker
Accessories Antenna, hand-strap
Features VFO, search-skip, S-meter, attenuator
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Sensitivity
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Sensitivity
The following info was supplied by Mika from
Bandercom
who got it from the Finish scanner magazine Skanneri
| Frequency (MHz) | Mode | AM/FM (12dB/20dB SINAD) |
| 50 | FM | 0.25 µv |
| 70 | FM | 0.22 µv |
| 100 | WFM | 0.32 µv |
| 120 | AM | 0.79 µv |
| 140 | FM | 0.22 µv |
| 160 | FM | 0.28 µv |
| 170 | FM | 0.28 µv |
| 300 | FM | 0.25 µv |
| 400 | FM | 0.20 µv |
| 420 | FM | 0.22 µv |
| 435 | FM | 0.22 µv |
| 460 | FM | 0.20 µv |
| 890 | FM | 0.25 µv |
| 920 | FM | 0.25 µv |
| 950 | FM | 0.22 µv |
| 1000 | FM | 0.40 µv |
Leakage Radiation
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The following info was supplied by Mika from
Bandercom
who got it from the Finish scanner magazine Skanneri
| Frequency (MHz) | Leakage |
| 50 | 90 µv |
| 120 | 100 µv |
| 160 | 290 µv |
| 300 | 690 µv |
| 460 | 910 µv |
| 920 | 380 µv |
| 1000 | 620 µv |
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Review
- Look here
Other Info
- This radio is also known as the Standard AX400B
- Be sure to check out its predecessor, the WS1000
Hidden Functions
- These were submitted by Tobi from Germany
- Follow these instructions AT YOUR OWN RISK. Neither I nor my site
will be held responsible for what you do to your own radio.
- I have used these on my AX400B (WS2000) without any problem
- Steps to activating hidden functions:
- Go into SET mode by pressing FUNC + 0
- Locate 'LAmP' setting
- Set it to 'tGL'
- Locate 'PrESEt' setting
- Set it to 'OFF'
- Press CL
- Press FUNC + 1
- Press FUNC + 6
- Press FUNC + POWER
- Press FUNC + 6
- Press FUNC + 0
- The radio should now be in SET mode with the lamp on
- Feel free to turn the lamp off and set 'LAmP' as you desire
- If the radio is reset, these functions will be LOST and must be
reactivated
- Go into SET mode and see the following new entries:
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OPbEEP - opening/closing beep (radio turned on/off)
- Can be turned OFF or set from 1 - 4
- OFF: No tones
- 1: Normal 4 beep tone
- 2: Alternate 4 beep tone
- 3: Two beep tone
- 4: 'Phaser' fire
- wAtCH - clock with timer on/off settings
- When the clock is enabled, it is displayed instead
of the normal frequency with hours, minutes and
seconds. To see the frequency, you must disable
the clock
- Turn the clock on and the radio will leave SET
mode and show the clock (all 0s and flashing) and
not 'ticking'
- Go into SET mode and turn rotary control
- Display will show 'on' and the turn on time
(initially all dashes (-)). Use keypad to enter the
turn on time in hours and minutes
- Turn the rotary control to see the turn off time
(initially all dahses (-)). Enter the turn off
time in hours and minutes
- Turn the rotary control to see the current time.
Enter the current time in hours and minutes
- To clear either the turn on or off time, simply
display the time and press FUNC + CL twice
- The turn on and turn off times are still in force
even if the watch is disabled. Watch on/off is
simply used to control whether the display shows
the clock or the frequency
- All time settings will be lost if you change the
batteries
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mr-SqL - memory channel squelch programming enable
OFF is for a normal
squelch operation. Turned on, it enables 'SqLEnt' for individual memory channel
squelch control
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SqLEnt - individual memory channel squelch setting
'mr-SqL' must be enabled
first. Using FUNC + rotary control will change it but not be reflected on
the display. Here is what Tobi wrote but I did not find my radio to function as
he specifies here:
If the squelch control is turned fully counter-clockwise, and the rotaray
control is used by pressing FUNC, the squelch will be opened for the current
memory channel. If the squelch control is NOT turned fully counter-clockwise,
and you use this function, the squelch will be closed for this saved channel
and can only be opened by pressing 'SQL OFF' button
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tEL - unknown function. Toggles between 12.5 and 25 settings. I think this
might be only on WS2000 (AX400B). If you find out what this does, please notify
me!
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uSEr - unknown function. Toggles between OFF and 1 - 4. If you find out what
this does, please notify me!
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