Kikusui TOS5050A, Руководство по эксплуатации

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4-18 TOS5051A/5050A
[32] PROTECTION message
This message (yellow) appears when the tester has tripped into the PROTECTION
status and its output voltage is cut off, due to any of the causes as mentioned below.
To clear the PROTECTION status, eliminate the cause of the trip and then press the
STOP switch.
1. The plug is connected to or disconnected from the REMOTE CONTROL con-
nector.
2. The status of the REMOTE ENABLE signal input pins of the SIGNAL I/O con-
nector has changed.
3. The INTERLOCK signal input pins of the SIGNAL I/O connector are make
open.
4. The high voltage supply circuit of the DC test section (TOS5051A only) is over-
heated.
[33] KEYLOCK message
This message appears when the keylock function is ON; it disappears when the
function is OFF. The keylock function disables the following keys:
(a) CUTOFF CURRENT keys
(b) CUTOFF CURRENT UP/LOW key
(c) TIMER keys
(d) TIMER ON/OFF key
Thus, the settings of the following test conditions are protected.
(a) Upper cutoff current
(b) Lower cutoff current
(c) ON/OFF of lower pass/fail judgment
(d) Test time
(e) ON/OFF of timer function
The keylock function can be turned ON or OFF at any time, by pressing the ON/
OFF key while holding down the SHIFT key.
[34] REMOTE message
This message indicates that the tester is being remote-controlled via the REMOTE
CONTROL connector or the SIGNAL I/O connector.
It also appears when a REMOTE command is received from the RS-232C interface.
When this message appears, the START switch is disabled. For details, refer to sec-
tion 6.3, “Remote Control” (Page 6-20).