Tektronix 2714 Reference page 11

Decrease ( ) or increase ( ) channel or
frequency by one division in auto tuning mode
or by the designated increment in other modes.
ALWAYS ACTIVE.
Decrease ( ) or increase ( ) span/div in 1-2-5
sequence. ALWAYS ACTIVE.
Decrease ( ) or increase ( ) ref level in 1 dB
or 10 dB steps. ALWAYS ACTIVE.
Toggle ref level step size between 1 dB
(FINE LED on) and 10 dB (FINE LED off).
Choose REF LEVEL units: [INPUT][3][0–5]
(not available in CATV mode).
Select fixed RF Atten value in 2 dB increments
or select AUTO Atten: [INPUT][5].
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