Rigol DS1204B Programming Manual page 60

RIGOL
Function:
The command sets the timebase offset of main mode, that is the offset of the
waveform position relative to center screen.
In NORMAL mode, <offset>: 1s ~ memory capacitance;
In STOP mode, <offset>: -500s ~ +500s;
In SCAN mode,<offset>:
(-6 *MainScale + 6 DelayedScale①) ~(6 *MainScale - 6 DelayedScale)
Scale is the current horizontal scale, and the unit is s/div.
NOTE①: Delay, the time range: +/- 6*MainScale; The length of time is 12*DelayedScale;
So Delayed Offset range is:
(-6MainScale + 6*DelayedScale)~(6*MainScale-6*DelayedScale).
For example: When Main 5ms，Delay 2ms, EMS memory time is +/- 6*5=30ms,
Delay time is 6*2 = 12ms. Delay Offset range: (-30+6) ~ (30-6) ms.
In MAIN mode, [:MAIN] may be omitted.
Query Format:
:TIMebase:MAIN:OFFSet?
Return Format:
The query returns the value of timebase offset, and the unit is s.
Example:
:TIMebase:MODE□MAIN
:TIMebase:OFFSet□1
:TIMebase:OFFSet?
5. :TIMebase[:MAIN]:SCALe
Command Format:
:TIMebase[:MAIN]:SCALe□<scale_val>
Function:
The command sets the timebase scale of main mode, and the unit is s/div.
In NoRMAL mode, different types of instruments have different sweep ranges:

DS1204B instrument，<scale_val> range：1ns/div~50s/div.
DS1104B instrument，<scale_val>range：2ns/div~50s/div.
DS1064B instrument，<scale_val>range：5ns/div~50s/div.
In SCAN mode, <scale_val>range: 50ms ~ 50s.

2-52
Set the scan mode as main.
Set the timebase offset as 1s.
Return 1.000e+00.
Programming Guide for DS1000B Series