Table of Contents
Advertisement
9.2 Determining a Cable's Actual NVP
(1) Hold down "
", "
" and "
" at the same time to enter NVP setting mode.
(2) To set the NVP of coaxial port, please press "PORT.
(3) Connect a known length of the cable to be tested to the tester's coaxial cable port.
(4) Use "
" and "
" to change the NVP until the measured length matches the actual
length of the cable.
(5) To save the setting and exit NVP mode, turn the tester off then on again.
To measure actual NVP, please adjust the measured length to the known length.
Figure 9.2 Determining a Cable's Actual NVP
X. Backlight
In ON state, long press "
" for one second to turn on/off the backlight.
XI. Unit of Length
In ON state, short press "
" to switch between ft and m.
XII. Auto Power Off
The tester powers off automatically if it is not operated in 10 minutes (60 minutes under
wire tracking state).
19
UT685B/UT685B KIT
UT685B/UT685B KIT
XIII. Other functions
13.1 Low battery indication
Please replace the battery when the symbol "
disconnect all test leads before replacement.
13.2 Troubleshooting
(1) The tester cannot power on normally: Replace battery
(2) Measurement length is inaccurate: Check NVP, and adjust NVP by a cable with known
length.
(3) Display or button does not response: Power off and restart the tester.
13.3 Specifications
Operating temperature
Storage temperature
Operating humidity
Storage humidity
Operating altitude
Category rating
CE, EN 61326-1:2013 / EN61326-2-2:2013
Tester dimensions
Receiver dimensions
Test net weight
Receiver net weight
XIV. Maintenance
(1) Solvent or corrosive cleaning agent can damage the display or casing. Please wipe
the display with soft cloth and glass cleaner , and wipe the casing through soft cloth
dipped with clear water or liquid soap. Keep the tester dry.
(2) Do not open the casing, there is no any user-replaceable part inside the tester.
Opening the case without authorization will void the warranty and may damage the
safety function.
(3) Use designated replacement part only.
" appears. Power off the tester and
0~45℃
-20~60℃
20~75% RH (N.C)
10~90% RH (N.C)
≤2000m
181mm*80mm*39mm
197mm*48mm*34mm
About 360g
About 127g
20
Advertisement
Table of Contents
