Longshine LCS-KL-2716M - Manual (Page 23)

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Channel select to third layer
< Scroll Lock > →
→ → → < Scroll Lock > → → → → <D> → → → → <CH-L1 >
→
→ → → <D> → → → → < CH-L2 >
→ → → → <D> → → → → < CH-L3 > → → → → < Enter >
Note: With cascading 3 layers, you can select last layer directly;
Example: press <Scroll Lock> twice, then D2D5D7, and <Enter>:
D2 : layer 1 channel 2 links to
D5 : layer 2 channel 5 links to
D7 : layer 3 channel 7 selected
Note: You can also select active channel of cascade chain in OSD menu.
Move the indicator bar to the chanel to switch by using <arrow key>,
<Page Up> or <Page Down>, and then press <Enter> to switch to the
target port. Please refer section 7.2.2 Channel select to cascade port.
6.1.5 Buzzer sound Disable / Enable
Press <Scroll Lock> twice, then <B> and <Enter>. The buzzer sound will be
disabled / enabled alternately. The buzzer sound default setting is ON.
<Scroll Lock> →
→ → → <Scroll Lock> → → → → <B> → → → → <Enter>
Note: You can also enable/disable buzzer sound by pressing <F1> in OSD
main menu. Please refer section 7.3.6 Setup in OSD - Sound.
.
Buzzer setup hot key