Grecom EZ Scan-SD PSR-700 Owner's Manual page 52

Attenuator
When checked, attenuation is enabled when using Spectrum
Sweeper. Attenuation limits the effective range of Spectrum
Sweeper and may help reduce interference from strong local
transmitters. Use the
status.
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
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:
EZ Scan-SD User Manual!
▶/II/SEL or  keys to toggle Attenuator
SKIP
key. Special Mode is useful when
Page 51