597
Occupied Bandwidth Measurement
AMPTD Y Scale (Amplitude/Y Scale)
See “Y Axis Unit” on page 871 under AMPTD Y Scale for more information.
Internal Preamp
Accesses a menu of functions that enable you to control the internal preamplifiers.
See “Internal Preamp” on page 883 for more information.
Ref Position
Positions the reference level at the top, center or bottom of the Y Scale display. Changing the reference
position does not change the reference level value.
Key Path: AMPTD/Y Scale
Initial S/W Revision: A.04.00
Key Path: AMPTD Y Scale
Initial S/W Revision: Prior to A.02.00
Key Path: AMPTD Y Scale
Mode: WCDMA, C2K, WIMAX OFDMA, TD-SCDMA, 1xEVDO, LTE, LTETDD,
BLUETOOTH, WLAN
Remote Command: :DISPlay:OBWidth:VIEW[1]:WINDow[1]:TRACe:Y[:SCALe]:RPOS
ition TOP|CENTer|BOTTom
:DISPlay:OBWidth:VIEW[1]:WINDow[1]:TRACe:Y[:SCALe]:RPOS
ition?
Example: DISP:OBW:VIEW:WIND:TRAC:Y:RPOS BOTT
DISP:OBW:VIEW:WIND:TRAC:Y:RPOS?
Notes: You must be in the W-CDMA mode, cdma2000 mode, TD-SCDMA mode,
BLUETOOTH mode, LTE mode, LTE TDD mode, WLAN mode, 1xEVDO
mode, or WIMAX OFDMA mode to use this command.
Use:INSTrument:SELect to set the mode.
Preset: TOP
State Saved: Saved in instrument state.
Range: Top | Ctr | Bot
Initial S/W Revision: Prior to A.02.00
Modified at S/W Revision: A.03.00