Anritsu S331D, S332D manual Query Power Level Control Byte #39 27h Option 29 only

Option 6:	“6/”
Option 10:	“10/”
Option 21:	“21/”
Option 29:	“29/”
Option 50:	“50/”

If no options are installed: “None”

Query Power Level – Control Byte #39 (27h)	(Option 29 only)
Description: Return Power Level at the RF In port. Also returns power meter settings.
Bytes to Follow: 0 bytes
Site Master Returns: 30 bytes

1) Status Byte # 1(0b = Off, 1b = On)

(LSB) bit 0 : Unit (0b - Watt/%, 1b - dBm/dB)

bit 2 : Relative Mode On/Off

bit 3: Offset Mode On/Off

bit 4: Zero Mode On/Off

bits 5-7: Not Used

2)RMS Averaging Status263

3	- 6)	Relative Mode Reference Power Level in dBm
7	- 10)	Offset Mode Power Level
11 - 14)		Zero Mode Power Level
15 - 18)		Absolute Power Level
19 - 22)		Power
23 - 26)		Center Frequency
27 - 30)		Span Frequency

Notes:

Power is returned as (dBm * 1000)

Relative power is returned as (dB * 1000)

Offset is returned as (dB * 1000)

Frequencies are scaled by the scale factor

Set Power Meter Units – Control Byte #40 (28h) (Option 29 only)

Description: Set Power Meter units to Watts or dBm.

Bytes to Follow: 1 byte

1)Units

00h = Watt (% if in relative mode)

01h = dBm (dB if in relative mode)

Site Master Returns: 1 byte

1)255 (FFh) Operation Complete Byte

224 (E0h) Parameter Error: Invalid Units

238 (EEh) Time-out Error

263 RMS Averaging: 00h = Off, 01h = Low, 02h = Medium, 03h = High

72 Site Master PM