SRS SR770 Error ALT: The ALTERNATE keypad is in use

SR770 spectrum analyzer · taken from the manufacturer’s manual, pages cited

Error codeALT

The ALTERNATE keypad is in use. The manual's first action is: “Indicates that the ALTERNATE keypad is in use. The ALTERNATE keypad uses the alphabetic legends printed below each key. To enter the ALT mode, press the [ALT] key once. Pressing the keys will now enter alphabetic characters into the active entry field. The [0]...[9], [,], [<->] and [ALT] have the same function in the ALTERNATE keypad. To return to the normal keypad, press the [ALT] key again.”

Model
SRS SR770
Display shows
The ALTERNATE keypad is in use (ALT)
Type
Error code
Source
Manual p. 79

What ALT means

The ALTERNATE keypad is in use p. 79

Common causes

  • The ALTERNATE keypad is in use. p. 79

What to do

  1. Indicates that the ALTERNATE keypad is in use. The ALTERNATE keypad uses the alphabetic legends printed below each key. To enter the ALT mode, press the [ALT] key once. Pressing the keys will now enter alphabetic characters into the active entry field. The [0]...[9], [,], [<->] and [ALT] have the same function in the ALTERNATE keypad. To return to the normal keypad, press the [ALT] key again. p. 79

If ALT is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact SRS service.

This page summarises what the manufacturer’s manual says about ALT; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with SRS. Found a mistake? Report an error.