HP 8904A - Page 61

Model 8904A Operation
Digital Port
Frequency
HOP
On/Off
Hop Register
Zbble 3-7. HP-IB Codes That Can Be Used with Option 003 Instruments
DPE
FRH
FHR
H RA
HP-I6
1 Code
Function
Phase
HOP
On/Off
Query Port
Status
Amplitude
On/Off
PHH
PHR
QRE
Description
Form: APH<Amplitude Value><Terminator>
Example: “APH2.123VL”
Enter Hop Mode amplitude parameter. Valid terminators are VL, MV and UV.
Form: AHWON or OF>
Example: “AHROF
Amplitude Hop On/Off Control.
Form: DPE<ON or OF>
Example: ”DPEOF“
Digital Port On/Off .Control.
Form: FRH<Frequency Value><Terminator>
Example: “FRH723.5HZ”
Enter Hop Mode frequency parameter. Valid terminators are HZ and
KZ.
Form: FHR<ON or OF>
Example: “FHROF
Frequency
Hop On/Off Control.
~~
Form: HRAd or 2 Digit AddresoET
Example: “HRASET”
Enter Hop Register address. Addresses
0-15 are valid, valid terminator is ET.
__ ~
Form: PHHCPhase Value><Terminator>
Example: “PHH59.3DG”
Enter Hop Mode phase. Valid terminators are DG and
RD.
Form: PHR<ON or OF>
Example:
Phase Hop On/Off Control.
Form: QRE
Example: “QRE“
The Port Status value is the sum of four states.
Port Status
= DPE value + FHR value + PHR value + AHR value.
Bit Weight
DPE value: On=16 Off=O
FHR value:
On=8 Off=O
PHR value: On=4 Off=O
AHR value: On=2 Off=O
“P H R 0 F
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