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2.5 FRONT PANEL LOCKOUT
2.5.1 PUSH BUTTON LOCKOUT
To lock the
RESET
,
MENU
and
SETPTS
buttons, verify that the S3-A jumper is
installed and the S3-E jumper is not installed, then follow these steps:
In the run mode-
1.
Press and hold down the
RESET
button. The meter shows
“SP.RS”
. Do not
release the
RESET
button.
2.
Press the
MENU
button and hold
RESET
button down (3-5 seconds) until the
meter shows
“LOCK”
.
3.
Release both buttons.
To unlock the
RESET
,
MENU
and
SETPTS
buttons, follow these steps:
1.
Press and hold down the
RESET
button. The meter shows
“LOCK”
. Do not
release the
RESET
button.
2.
Press the
MENU
button and hold
RESET
button down (3-5 seconds) until the
meter shows
“UN.LK”
.
3.
Release both buttons.
2.5.2 JUMPER LOCKOUT
To lock all front panel buttons,
remove the S3-A jumper (refer to Figure 3-2).
To lock the MENU button only,
verify that the S3-B jumper is removed, then install
the S3-A and S3-E jumpers, (refer to Table 3-1).
8
Содержание DP26-RTD
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