HP 3326A Operating And Reference Manual page 68

HP-IB Status
Local
The LOCAL key removes the HP 3326A from remote (HP-IB) operation if local lockout
is not in effect and the display is not disabled. Remote operation is indicated by the
illuminated REMOTE indicator.
NOTE
If "dISP OFF" (DISPlay OFF) is displayed on the
HP 3326A, the display has been disabled by the
DISP OFF NP-IB command. To return the HP 3326A
to normal, use the DISP ON HP-IB command or
apply power with the blue SHIFT ke y depressed (a
memory clear operation).
The REMOTE indicator illuminates when the HP 3326A is operating under HP-IB con-
trol. While in remote (and local lockout is not in effect), only the LOCAL key is recognized.
The LISTEN indicator illuminates when the HP 3326A is addressed to listen over the
HP-16.
The TALK indicator illuminates when the HP 3326A is addressed to talk over the HP-IB.
The SRQ (Service ReQuest) indicator illuminates when the HP 3326A is generating an
HP-IB service request.
NOTE
An SRQ may be generated while the HP 3326A is
in local if the status byte mask used to enable an
SRQ is not reset. To extinguish the front panel SRQ
indicator, set the SRQ mask to zero and perform
a serial poll with a controller, or apply po wer with
the blue SHIFT key depressed fa memory clear
operation). For more information on the status byte
mask, refer to "Reading and Masking the Status
Byte" in chapter Ill.
Bus Address
The BUS ADRS (BUS ADdReSs) key enables display or entry of the HP-IB address. The
BUS ADRS key is selected by pressing the blue SHIFT key prior to the LOCAL key. After
selection of the BUS ADRS key, the HP-IB address is entered with the numeric keypad.
For two digit HP-IB addresses, the address is set when the second digit is entered.
For single digit HP-IB addresses, the address is set when any units key is pressed. Al-
ternately, a zero can precede the single digit to form a two digit address. The HP-IB
address is an integer in the range of 0 to 30 and is retained in nonvolatile memory.
a
The HP 3326A is connected to other HP-IB devices through the rear panel HP-IB
connector,