3M Dynatel 2250M, Руководство оператора

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54 78-8130-6150-0-F
5. The Digital Display [T-4] will alternately flash between 577 and 200K.
6. Press Output Level [T-5] for high or maximum output level.
2. Receiver Setup
1. Press On/Off (Power) [T-1] to turn the receiver on.
2. Press Locate/OK [5]
3. Press Tone/Ext [SK] to select Tone mode.
4. Press Freq [SK Toggle] to select 577Hz.
5. Connect a toning coil to the receiver External Jack [14] ([13] on 2250M).
6. Move the toning coil along the cable and find a peak signal, then press Gain [4]
down to adjust the receiver gain.
7. Press Speaker Volume Control (Spkr/Xpnd) [2] to adjust the speaker volume as
needed.
8. Follow the cable with the toning coil.
− When the receiver detects a short, cross, or ground fault (Connection Diagram
Figures #1, #2, or #3), the audio and Signal Strength [10] will stop or drop off
sharply.
− When the receiver detects a split (Connection Diagram Figure #4) the audio and
signal strength will increase significantly.
− When verifying a split (Connection Diagram Figure #5) the audio and signal
strength will decrease after the toning coil has passed the split.
3. Connection Diagrams
Short: Red clip to Tip; Black clip to ring.
Figure 1
Cross: Red clip to the crossed conductor of one
pair; Black clip to the crossed conductor of the
other pair.
Figure 2