Tunable Semiconductor Laser TSL-770
6-15
Error number Details How to deal with it
Error 20 There is an error in the temperature
control function of the optical engine.
Or, an error has occurred during
continuous use.
The ambient temperature may have
exceeded the operating temperature
range. For safety reasons, the
temperature control is stopped
when this error occurs. Please
check the operating environment
and restart the product before use.
If the error recurs, please stop using
the product and contact Santec.
Error 21 There is an error in the temperature
control function of the built-in
wavelength monitor. Or, an error has
occurred during continuous use.
Error 22 There is an error in the temperature
control function of the built-in
attenuation. Or, an error has occurred
during continuous use.
Error 25 There is a fault with the optical shutter. Press the Power ON/OFF key to
turn the product off, then turn it on
again.
If the error recurs, please stop using
the product and contact Santec.
Error 26 There is a fault with the wavelength
tuning function.
Press “RECOVERY“ to try and
restore operation. Or, turn off the
product with “SHUT DOWN” and
turn it on again.
If the error recurs, please stop using
the product and contact Santec.
*Contact information can be found on the last page of this document.
6-8 Screen Brightness Settings
This function adjusts the brightness of the screen.
1.Touch MENU , NEXT , NEXT , and DIMMER . The screen settings will be displayed.
Brightness Sets the screen brightness in the range 10 to 100%.
Off Timer The screen brightness is reduced to 10% when the touch screen,
numeric keypad or encoder have not been used for the specied
period of time.
Set the time in minutes (up to 99 minutes). If set to “0“ minutes, the
timer is disabled and the brightness will not decrease.
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