Battery Cover; Numerical Keypad - H Heuer Instruments UMDT51A User Manual

Line tester lt51 200 hz – 2.2 mhz
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Controls and connections

Battery cover

Figure 2-5. LT51 bottom panel showing battery Cover

Numerical Keypad

Wherever a numerical input quantity is requested (eg. TX Frequency), it is
possible to set the value using the knob, or directly via the keypad.
Once the first digit is entered via the keypad, a selection of units appears in the
menu next to the soft-keys.
When the desired value has been entered, choose the appropriate units to
complete the entry of the value. If an incorrect digit is entered, press the
key to erase the last entered digit, and then continue.
LT51 User Manual
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