Function Keys
Use the blue keys to select the different test functions in the
Use the [Voltage] key to measure DC or AC voltage.
Use the [Current] key to measure loop or ground Current.
Use the [Resistance] key to measure resistance.
Use the [Toolbox] key to access: Load Coil Count,
Use the [Opens] key to find the distance to an ‘open’ (or break) in a pair or cable.
Use the [Tone] key to send tones for pair identification or measuring loss.
Use the [RFL] key to find the distance to a resistance fault on a pair.
Use the [ISDN] key to verify the presence of an ISDN signal, and to measure
The [TDR] key is not used in the
Use the [dB] key to measure Loss, Noise, Longitudinal Balance, or Wideband Loss.
Use the [Auto] key to perform a series of tests on an Active or Inactive pair.
Use the [Talk Set] key to dial numbers or to place a phone call on a working pair.
All functions (except for Tone and TDR) ‘time out’ in five minutes if no key has been pressed. Tone and TDR time out after 30 minutes.
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