Tachometer Frequently Asked Questions
Question number FAQ-0936
How to lock button operation
Pressing and holding the "COND/>" button on the front panel for more than 2 seconds will switch to key lock mode. No button operations will be accepted while key lock is active. If you press a key while key lock is active, the message "[KP] (KeyProtect)" will be displayed at the bottom center of the display.
To release the key lock, press and hold the "COND/>" button for more than 2 seconds.
Last updated: 2009-09-14