SLT Instruments closed in 2008. Service support was transferred to Telogy Solutions (Norcross, GA). They charge a $75 “research fee” to email a PDF of the manual. Ouch. Use the free sources above.
The (often branded under Li & Tai ) is a popular 3D LED Digital Wall Clock known for its large, bright digits. While a full PDF manual is often hard to find online, the following content covers the standard setup and operation instructions based on the typical interface for this model. 1. Device Layout slt-9001 manual
For full wiring diagrams and FPGA re-flashing instructions, refer to the SLT-9001 Service Addendum (Document 9001-SVC). SLT Instruments closed in 2008
: Press the SET button briefly to move to the next item in the sequence: 12/24 Hour Mode →right arrow Hour →right arrow Minute →right arrow Year →right arrow Month →right arrow Day While a full PDF manual is often hard
This gets you within ±1 dB of factory calibration—acceptable for go/no-go testing, but not for certification.