Note: Automatic shutdown function will be 
cancelled by pressing SELECT key for wake-up 
under sleeping status.
5.Buzzer
Buzzer will beep if pressing any effective function 
key under any measurement gear. It will not ring 
if the key is invalid. Buzzer will issue 5 warning 
voices continuously about 1 minute before 
automatic shutdown. It also will issue a long-term 
voice before shutdown.
6.Key validity
Note all key operations are valid for any gear. As 
shown in following form, corresponding operation 
functions cannot be selected or instruments 
under sleeping status cannot be wakened up 
until effective key operation.

Key

Hz

SELECT

N/A

N/A

N/A

REL

HOLD

VIII. MEASUREMENT 
       INSTRUCTIONS

1. DC voltage measurement (     ) (shown in 
    Figure 3)

    Warning: Clamp meter cannot be used for 
    conductive article of which voltage exceeds 
    AC/DC 600V.

To set knob.
Please place function knob to 

 measurement 

gear.
To select key functions.
To set measured DC voltage to initially set value. 
Initially set automatic range can be set to 

relative

range by pressing REL

 key.

To connect load.

ºì

ºì

ºÚ

ºÚ

V

V

To disconnect probe and measured circuit then 
remove probe from input end after all 
measurement operations.

Figure 3

2. AC voltage measurement (       ) (shown in 
    Figure 4)

    Warning: Clamp meter cannot be used for 
    conductive article of which voltage exceeds 
    AC/DC 600V.
*  To set knob.
    Please place function knob  to 

 measurement 

    gear.