8-5
IM WT3001E-51EN
Wide Bandwidth Harmonic Measurement (Option)
8
8.4  Turning ON/OFF the Timeout Warning Display 
of the PLL Lock
Procedure
 
START  STOP 
REMOTE 
CAL 
MOTOR 
SET 
CURSOR  NULL 
MENU  STORE SET 
LOWER ITEM  LOWER FORM  ALL USER SET 
RESET  SET 
PAGE  PAGE 
SCALING 
HRM SET 
MEASURE 
SYNC SOURCE 
AVG 
LINE FILTER 
FREQ 
FILTER 
 
 
FILE 
PRINT 
MISC 
STORE 
IMAGE SAVE 
HELP 
NUMERIC 
WAVE 
OTHERS 
ITEM 
FORM 
U / I / P 
WP/q/ 
TIME 
USER 
ELEMENT 
UPDATE 
RATE 
HOLD 
SINGLE 
INTEG 
LOCAL 
SHIFT 
Cursor keys 
To exit the menu during operation, press ESC located above the 
soft keys.
In the procedural explanation below, the phrase “press the cursor 
keys” may be used.  This phrase refers to the procedures for 
selecting items and entering values and character strings.  For 
details on the procedures, see section 3.14 in the User’s Manual, 
IM WT3001E-01EN.
1.
 Press HRM SET to display the Harmonics menu.
2.
  Press the PLL Input Warning Msg soft key to select ON or OFF.
     
Explanation
•  Turning ON/OFF the Timeout Warning Display of the PLL Lock
  You can select whether to display a timeout warning of the PLL lock when the PLL 
circuit in this instrument cannot detect the PLL source frequency within the detection 
period. This function is valid only in wide bandwidth harmonic measurement mode.
•  ON:  Displays the alert message.
•  OFF: Initializes the memory without displaying the alert message.
•  PLL Detection Period
•  When the PLL source is not set to Smp Clk:  5 s
•  When the PLL source is set to Smp Clk:  40 s