Operation Page 59 of 85
2.15.2 SYSTEM
Within the SYSTEM function are four programmable parameters: Contrast, Beeper Volume,
EN50191 and DC 50V AGC. With the instrument in Stand By status, access these system
parameters by pressing [F3] = MENU. Press [F2] = DOWN to move the highlighted box to
SYSTEM.
2.15.2.1 CONTRAST
The CONTRAST parameter adjusts the brightness of the LCD display. The range is 1-15 with
15 being the brightest and 1 being the darkest. The initial default setting is 7.
2.15.2.2 BEEPER VOLUME
The BEEPER VOLUME can be adjusted from L (low) to M (medium) to H (high, loud) or it can
be turned OFF. The initial default setting is H (a loud pitch).
2.15.2.3 EN50191
The EN50191 function sets the maximum leakage current at 3mA AC or 5mA DC in accordance
with the European standard. When EN50191 is ON, the Sentry Plus Series instrument will
terminate the voltage at the output terminals when the leakage current exceeds 3mA AC or 5mA
DC. The EN 50191 function can be set ON or OFF and the initial setting is OFF.
RETURN
RMT ERROFSTLOCK1 - 15
F1
F4
F3
F2
SYSTEM
NEXT
1
4
3
2
CONTRAST
BUZZER VOLUME
EN 50191
DC 50V AGC
INC.
DEC.
PROGRAM
PRESET
MORE..
MENU
RMT ERROFSTLOCKSTAND BY
0.1A
0.5s
1.2
Ω
F1
F4
F3
F2
LOWGCSTEP 1/5M01 0.3
Ω
:
STAND BY
EXIT
RMT ERROFSTLOCKSELECT FUNC.
F1
F4
F3
F2
MENU
SELECT
1
4
3
2
5
MEMORY
SYSTEM
OPTION
CALIBRATION
KEY LOCK
LAST
DOWN
Press F2 = "DOWN" to move
highlighted box to SYSTEM
Press F3 = "MENU"
To change instrument parameters
Press F3 = "SELECT" to enter
SYSTEM parameters
:
:
:
:
15
OFF
OFF
ON
Press F1 = "INC." to increase
brightness of display
Press F2 = "DEC." to decrease
brightness of display
Press F3 = "NEXT" to move
highlighted box to Buzzer Volume
Press F4 = "RETURN" to go back
to MENU display
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