Agilent Technologies N1911A Programming Manual page 258

5 DISPlay Subsystem
Reset Condition
On reset, the upper scale limit is set to 20 dBm.
Query
DISPlay:[WINDow[1]|2]:ANALog:UPPer? [MIN|MAX]
The query returns the current setting of the analog meter's upper scale
limit, or the value associated with MIN or MAX. The format of the response
is <NR3>. The units in which the results are returned are determined by
the current setting of UNIT:POWer and CALCulate:RELative:STATe as
shown in
Query Example
DISP:WIND2:ANAL:UPP?
230
Table 5- 16.
N1911A/1912A P-Series Power Meters Programming Guide
This command queries the upper scale
limit set on the analog meter in the lower
window.