Chapter 10 Specifications
174
(31)Remote Control
Interface
(1) Display
(2) Keys
(3) External Interface
Operation During REMOTE operation by RS-232C or GP-IB, all front panel operations are dis-
abled.
Cancellation methods F1 [LOCAL] key
By RS-232C
:SYSTem:LOCal command
By GP-IB GTL command
Reset
At power-on
Monochrome graphical LCD 240 × 64
Backlight White LED
Brightness adjustment range 0 to 100%
When using EXT trigger source, brightness is automatically reduced when keys are not
used.
Brightness recovers upon front panel key operation.
Contrast Adjustment range 0 to 100%
, REF%, ABS, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, +/-, BACK SPACE, Period, ENTER, ESC, m, , k, M, %,
, , , , F1, F2, F3, F4
EXT I/O
Input Signals TRIG, HOLD, KEY_LOCK, 0ADJ, PRINT, CAL, PRB_CHECK
Optocoupler-isolated no-voltage contact inputs
L voltage (assert): 0 to 1 V (3 mA input current (reference value))
H voltage (de-assert): OPEN or 5 V to 30 V
Output Signals HI, IN, LO, EOM, INDEX, ERR, PRB_SHORT, CE_HI, CE_LO
Optocoupler-isolated npn open-collector output
V
CE
DC30 V
MAX
Residual voltage 1.5 V or less (I
C
= 50 mA) / 1 V or less (I
C
= 10 mA)
I
C
50 mA
MAX
/ch
External power output Voltage: 4.5 to 5 V
Current: 100 mA
MAX
Isolation: Floating from protective ground potential and measurement circuit
Insulation rating vs. ground: not more than 50 VDC, 33 Vrms AC, and 46.7 Vpk
AC
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