When the alarm sounds, press the Snooze/Light button for a 5-minute delay (default). Display & Color Customization
Searching for “” online yields a minefield of malware-ridden PDF hosting sites. Here are the safe sources:
Long-press the SET (or MODE) button for approximately 3 seconds until the display flashes. Adjust Values: Use UP or DOWN to change the flashing digit. Sequence: Press SET briefly to cycle through: slt-9001 manual
In normal time mode, press the DOWN key to view alarm times.
Have a unique SLT-9001 failure not covered here? Leave a comment below (or post on the forum). Include your error code and manual revision. When the alarm sounds, press the Snooze/Light button
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Do not download from “manualslib.com” pop-up clones or any site requiring a credit card for “instant access.” These PDFs are often missing pages 78–82 (the entire PLL troubleshooting section) and may contain malicious macros. Adjust Values: Use UP or DOWN to change the flashing digit
If you own a physical copy of the , digitize it before the paper degrades. The brittle thermal paper used in 1990s editions fades after 20 years.
: Shows Time, but reverts to Time even after checking Date or Temperature. 5. Night Mode & Brightness