Display and Controls

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Display

All necessary parameters are displayed on a graphics LCD with LED backlighting during reception:

• Frequency of the active VFO in large figures. Resolution is always 1 Hz, with a decimal point at 1 KHz.
• Stored frequency of the second VFO.
• New frequency being entered via keybord.
• Mode and filter bandwidth.
• State of Notch Filter-, Noise Reduction- and Squelch functions (ON/OFF).
• AGC-parameters (rise-, hold- and decay time)
• Functions programmed into the function keys F1 - F4.
• Field strength as a bar-graph with S-meter scale and numerically in dBm.

Pressing the Menu key [ME] shows the main menu with nine sub menues.

Operation

An important objective during the developement of the KWZ 30 was to keep the number of controls as small as possible without limiting the variety of adjustable parameters. the controls could be reduced to a minimum:

• a large tuning knob for frequency selection
• a small knob for audio volume an ON/OFF
• a keybord with 20 keys for the following functions.:
  • 10 numerical keys for digital frequency selection, input of AGC time constants and other numerical values.
  • 4 function keys, individually programmable.
  • 3 direct keys for Notch Filter, Noise Reduction and Squelch.
  • 3 menu control keys.

The KWZ 30 can also be operated via a virtual control panel on a PC. The comfortable Windows program Radio Manager is available for that purpose. The PC is connected to the KWZ 30 via the RS-232 port.

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