4. To return the unit to the CALIB OPR mode after recalling the last set-up,
hit the OPR key.
NOTES:
• Any other key except ON/OFF and CLEAR will also return the
OPR mode.
• Set-ups recalled from unused locations will display and output
0°.
• Calibrator set-ups can be recalled even when the unit is func-
tioning in the meter mode. The same 10 storage locations are
shared in both meter and calibrator modes.
• Readings stored in memory while operating as a METER, can
be recalled in the CALIB mode. In this unusual application, the
unit generates calibrator outputs that simulate earlier stored
meter inputs.
To Erase Set-Up Locations (Calibrator Mode):
1. Individual set-up locations can be erased by recalling the location followed
by a hit to the CLEAR key.
eg. RECALL 5
CLEAR
9. STEP FUNCTION
When operating in the CALIBRATOR mode, the STEP key will sequentially
recall data stored in memory (up to 10 steps). At each step, the calibrator will
display and output these parameters. The STEP function is non-functional in
METER mode.
10. RAMP FUNCTION: Models 845 and 855 only
This feature allows the calibrator to automatically ramp up and down a user-
defined staircase. Up and down keys allow for manual ramping by the user.
To activate the RAMP function, the instrument must first be in the CALI-
BRATE mode. Depress the RAMP key once to enter the ramp programming
mode. The display reads "prog", with memory annunciators 1-4 flashing. A
second hit to the RAMP key starts automatic ramping. A third hit turns off the
RAMP function.
User definable RAMP memory locations 1, 2, 3, & 4 are dedicated to storage
of RAMP parameters; step size, staircase starting point, upper limit, and
lower limit respectively. These memory locations are accessible only when in
RAMP “prog” mode, and are independent of the other 10 memory locations.
Numeric values for RAMP parameters can be set, stored, recalled, and
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