User’s Manual for Palm Optical Fiber Tester
Shineway Technologies, Inc.
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displayed (approximately several seconds) switches to
µ
W mode.
[Ref]
Press this key to display the reference value stored in memory. Hold the
key
down until "HELD" appears in the display (approximately several seconds), and store this
value in internal memory as the reference power level. When OPM-21/OPM-25 is switched
to dB mode, LCD displays the difference in dB between the reference level and the current
input signal.
[Store]
Press this key to save the current measurement under different wavelength
categories and flashes the location number. The OPM-21/OPM-25 stores 500 measurements
for each wavelength.
[Recall]
Press the
key to enter the "Recall mode" to allow viewing, editing, and
transferring of stored measurements. Hold the
key for several seconds until "HELD"
displays. Then the stored data is transferred to a PC via the RS-232 serial port (The supplied
Data Collection Software need to be installed in the PC).
[
▲
and
▼
]
After pressing Recall, use the
▲
and
▼
keys to browse the stored data in the
memory. Holding
▲
and
▼
together can start auto zeroing.
[On/Off]
Power on and off the instrument. With default setting, OPM-21/OPM-2
5
will
automatically turn off if no key is pressed for 5 minutes.
[
λ
]
Press the key to select the wavelength, which must be consistent with the
wavelength of the optic fiber to be measured.
[Clear]
Hold the
Store
&
Recall
keys down together until "HELD" displays to clear all
stored data at the currently selected wavelength
[
]
External power supply indicator. When the indicator is on, the instrument is using
external power supply.
