Anritsu S331D, S332D manual Select Measurement Mode Control Byte #3 03h, Bytes to Follow 1 byte

Select Measurement Mode – Control Byte #3 (03h)

Description: Sets the measurement mode of the Site Master. The response byte will not be sent until the mode change is complete.

See control byte #29 (1Dh) response byte 3 for the current Site Master measurement mode.

Bytes to Follow: 1 byte

1)Measurement Mode 00h: RL Frequency

01h: SWR Frequency

02h: Cable Loss Frequency

10h: RL Distance

11h: SWR Distance

30h: Spectrum Analyzer Mode

31h: Transmission Mode (Option 21 only)

40h: Power Meter Mode (Option 29 only)

60h: T1 Tester Mode (Option 50 only)

70h: E1 Tester Mode (Option 50 only)

Site Master Returns: 1 byte

1)255 (FFh) Operation Complete Byte

224 (E0h) Parameter Error : Invalid measurement mode

238 (EEh) Time-out Error

Set Site Master VNA Scale – Control Byte #4 (04h)

Description: Sets the top and bottom value of the current measurement mode.

Return Loss & Cable Loss:

Unit is dB/1000.

Maximum value sent is 60000 which represents 60.00 dB,

Minimum value sent is 0 which represent 0.00 dB,

Start value < Stop value

SWR:

Unit is 1/1000 (of ratio)

Maximum value sent is 65535 which represents 65.53

Minimum value sent is 1000 which represents 1.00

Start value < Stop value

See control byte #29 (1Dh) response bytes 36 to 43 for current Site Master scaling.

Bytes to Follow: 8 bytes

1)Scale Start (highest byte)

2)Scale Start

3)Scale Start

4)Scale Start (lowest byte)

5)Scale Stop (highest byte)

6)Scale Stop

7)Scale Stop

8)Scale Stop (lowest byte)

Site Master Returns: 1 byte

1)255 (FFh) Operation Complete Byte

224 (E0h) Parameter Error : Invalid scale range

238 (EEh) Time-out Error

8 Site Master PM