Specifications

2.4.1.13 Re call ing a Fil ter Setup – [RECLL]
When [RECLL] is pre ceded by a num ber, it will re call the fil ter set-up which was stored in the mem ory lo ca tion se lected.
Selectable lo ca tions are 0 to 8.
When first pressed, the DIS PLAY in di cates the num ber of the mem ory lo ca tion to be re called. For ex am ple, the DIS -
PLAY will in di cate the fol low ing: “n=05”. Pressing the [RCLL] key again will re call the en tire fil ter set-up from mem -
ory lo ca tion “05”.
When pressed to in di cate the mem ory lo ca tion to be re called only, press ing the [CE] (clear en try key) will re store the
DIS PLAY to the cut off fre quency set ting.
Mem ory lo ca tion 0 is au to mat i cally re called at turn-on.
2.4.1.14 Clear En try Key – [CE]
When en ter ing a nu meric value in the key board, but not spec i fy ing a pa ram e ter, press ing the clear en try key will re store
the DIS PLAY to the cur rent cut off fre quency set ting.
When a nu meric value and its pa ram e ter has been en tered and the nu meric value is then changed, press ing the [CE] key
will re store DIS PLAY to the pre vi ous value of that pa ram e ter. Pressing the [CE] key con tin u ously will tog gle be tween
the pre vi ous key pad en try and the pres ent en try.
When ei ther the [STORE] or [RE CALL] key is pressed, the next mem ory lo ca tion will be in di cated on the DIS PLAY.
Pressing the [CE] key will re store DIS PLAY to the cur rent cut off fre quency set ting.
2.4.1.15 All Chan nel Mode – [ALL CH] (Mod els 3382 and 3384)
When [ALL CH] is pressed, the LED in the [ALL CH] key will light; and when fre quency, in put/out p ut gain, type, mode,
+only or diff in put, and/or cou pling is en tered or changed, the new set ting will be en tered in all chan nels of the fil ter.
2.5 REAR PANEL DC LEVEL ADJ.
The Model 3380 rear panel has 2, 4 or 8 out put dc level ad just ments. The fol low ing pro ce dure is for ad just ing the out put
dc level to zero volts for any chan nel.
2.5.1 DC Level Adj. (Rear Panel) HP
Set the fil ter to HP at 1.1kHz. Ad just HP for 0V at fil ter out put.
2.5.2 DC Level Adj (Rear Panel) Out
At any fre quency set ting, the out put dc level may be ad justed to zero volts for each chan nel with the rear panel, screw -
driver ad just, out put dc level con trol.
Model 3380 Series Section 2 - Operation
2-5