1.1 Names and Functions of Parts
IM 735201-01E
1-2
Keys
POWER/ESC
Power supply and escape key
This key turns the power ON and OFF. Press the key to start the instrument with the power
save function set. If you hold down the button until the power save indicator “
PWR SAVE
”
disappears, the instrument starts with the power save function disabled. To turn the
instrument OFF, hold down the key until the LCD display goes out.
You can press the key once during operation to return to normal measurement mode (ESC
function).
BACKLIGHT
Backlight key
Press this key to turn ON the backlight. Press again to turn it OFF.
dBm/W
Unit selection key
This key switches the units for absolute value measurement mode (dBm or W). Each time
you press the key, the selected units change as follows:
dBm display => W display (switches automatically between mW, µW, and nW) => mW
display (fixed) => dBm display
Also, if you hold down the
ENTER
key while pressing this key, the instrument enters relative
value measurement mode. The measured value at the moment the key is pressed is set as
the reference value for relative value measurement. The instrument enters relative value
measurement mode (and displays the difference in the measured value from the reference
value) from the next measurement thereafter. Every time the key is pressed, the reference
value is updated. In relative value measurement mode, this key switches to absolute value
measurement mode.
(Related keys:
ENTER
)
λ
Wavelength key
Press this key to enter a mode for entering wavelength settings. Change values using the
UP
and
DOWN
keys, then press the
ENTER
key to enter the selection.
RANGE
Range hold key
Press this key to fix the measuring range. Press it again to release the range. Press the
UP
and
DOWN
keys to change the range.
POWER/ESC SETUP BACKLIGHT
ENTER
RANGE
▲
λ
dBm/W
▼
POWER/ESC SETUP BACKLIGHT
ENTER
RANGE
▲
λ
dBm/W
▼
