User's Manual

Zeromatic
Enables or disables the EZ Scan-SDʼs Zeromatic circuit.
Zeromatic helps the EZ Scan-SD tune to exact frequencies when
searching. Use the  or  keys to toggle Zeromatic enabled/
disabled status.
Delay
Enables or disables delay when using the Spectrum Sweeper
feature. When delay is enabled, the EZ Scan-SD waits for two
seconds after a transmission to receive reply traffic before
resuming search. Use the  key to toggle delay enabled/
disabled status.
Special Mode
Spectrum Sweeper sweeps through frequency ranges in 1 MHz
blocks, looking for transmissions from nearby strong signal
sources. When Special Mode is enabled, Spectrum Sweeper will
skip any 1 MHz block where you have skipped five or more
frequencies using the SKIP key. Special Mode is useful when
you are close to many high power transmitters that are close
together in frequency. Use the  or  keys to toggle Special
Mode enabled/disabled status.
Frequency Ranges
The frequency ranges that Spectrum Sweeper sweeps are
controlled by enabling or disabling them here. Disabling
frequency ranges that are not of interest helps speed Spectrum
Sweeper up, helping you to find nearby activity faster. Use the
 key to enabled or disable frequency ranges.
For the “All Bands” Spectrum Sweeper mode, the following
frequency ranges can be controlled:
25-54 MHz" " VHF Low Band
108-137 MHz" " VHF Aircraft Band
137-174 MHz" " VHF High Band
216-300 MHz" " 220 MHz Commercial/Amateur Band
300-406 MHz" " UHF Military Air Band
406-470 MHz" " UHF Band
470-512 MHz" " UHF-T Band
764-797 MHz" " 700 MHz Band
806-869 MHz" " 800 MHz Band
894-1300 MHz " " 900 MHz Band, 23 cm Amateur Band
For the “Public Safety” Spectrum Sweeper mode, the following
frequency ranges can be controlled:
GENERAL RESEARCH OF ELECTRONICS, INC. PROPRIETARY AND CONFIDENTIAL INFORMATION
EZ Scan-SD Preliminary User Manual" Page 49